Ellen Wen-Ching Ko

Email: ellenko.wc@msa.hinet.net

Education

  • D.D.S. (1991/6), College of Dentistry, Taipei Medical University, Taipei, Taiwan 

Postgraduate Education

  • 1991/7~1996/7 Resident, Dental Department, Chang Gung Memorial Hospital, Taipei, Taiwan,
  • 1997/8~1999/6 M.S., Medical College, University of Illinois at Chicago, Chicago, Illinois, USA
  • 1997/8~1999/2 Surgical Orthodontic Fellowship, Craniofacial Center, University of Illinois at Chicago, Chicago, Illinois, USA

Employment Record

  • 1995/7~1996/6 Chief Resident, Dental Department, Chang Gung Memorial Hospital, Taipei, Taiwan, 
  • 1996/7~present Attending Staff, Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taipei, Taiwan, 
  • 2006/4~2010/3  Acting Director, Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taipei, Taiwan 
  • 2010/4~2016/6  Director, Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taipei, Taiwan 
  • 2016/7~present  Vice Chairman, Department of Dentistry, Chang Gung Memorial Hospital, Linkou, Taiwan 

Professional Affiliations

  • Association for Dental Science of Republic of China
  • Taiwan Association of Orthodontists
  • American Cleft Palate Association
  • American Association of Orthodontics
  • Taiwan Cleft Palate-Craniofacial Association

Research Interest

  1. Craniofacial characteristics in patients with temporomandibular joint ankylosis.
  2. Postoperative growth of chostochondral rib graft
  3. Mandibular distraction osteogenesis
  4. Maxillary distraction osteogenesis
  5. Pre-surgical nasal molding in patients with unilateral and bilateral cleft lip and palate
  6. Video-image prediction of soft tissue outcome after orthognathic surgery
  7. Stability of surgical mandibular setback with bilateral sagittal split osteotomy 
  8. Three-dimensional evaluation of orthognathic surgical result and stability
  9. Jaw motion analysis 
  10. Biomechanics of mandibular distraction osteogenesis
  11. Computer-aided surgical simulation
  12. Quality of Life (QoL) related to orthognathic surgery
  13. Digital occlusal analysis

Bibliography

A).  Publication:

  1. Ko EWC, Huang CS, Chen YR: Clinical evaluation of sensory disturbance after orthognathic surgery. The Bulletin of Taiwan Association of Orthodontists 1993; 5:28-33
  2. Ko EWC: A syllabus for orthodontic differential diagnosis and treatment of malocclusion by means of Multiloop Edgewise Arch-Wire (MEAW) technique. The Bulletin of Taiwan Association of Orthodontist 1995; 6(3): 5-14 1995; 6(4): 14-19
  3. Ko EWC, Huang CS: Hemimandibular hyperplasia, a case report. The Bulletin of Taiwan Association of Orthodontist 1997; 8(2): 101-107
  4. Liao YF, Huang CS*, Liou JW, Lin WY, Ko EWC: Premaxillary size and craniofacial growth in patients with cleft lip and palate. 長庚醫誌 1998; 21:391-396
  5. Figueroa AA*, Polley JW, Ko EWC: Maxillary distraction for the management of cleft maxillary Hypoplasia with a rigid external distraction system. Seminars in Orthodontics 1999 Mar; 5(1):1-8
  6. Huang CS*, Ko EWC, Lin WY, Liou EJW, Hong KF, Chen YR: Mandibular lengthening by distraction osteogenesis in children--- a one-year follow-up study. Cleft Palate Craniofac J 1999; 36(3):269-274
  7. Ko EWC, Huang CS*, Chen YR: Temporomandibular joint reconstruction in children using costochondral grafts. J Oral Maxillofac Surg 1999; 57:789-798
  8. Ko EWC, Figueroa AA*, Polley JW: Velopharyngeal changes after maxillary advancement in cleft patients with distraction osteogenesis utilizing a rigid external distraction device: a one year follow up. J Craniofac Surg 1999 10(4):312-20; 321-2 discussion
  9. Ko EWC, Figueroa AA*, Polley JW: Soft tissue profile changes after maxillary advancement with distraction osteogenesis utilizing a rigid external distraction device: a one year follow up. J Oral Maxillofac Surg  2000; 58:959-969
  10. Cheng CF, Huang WH*, Tsai TP, Ko EWC, Liao YF. Effects of cancer therapy on dental and maxillofacial development in children: report of case. J Dent for Children 2000 May-June; 67(3):218-222
  11. 盧建勳 柯雯青* 黃炯興 胡麗蓉 劉人文.  Reliability of orthodontic imaging software in predicting soft tissue of patients with bimaxillary protrusion. J Taiwan Assoc Orthod 2001; 13(1): 6-11
  12. 劉人文* 蔡文卿 林文源 柯雯青 廖郁芳  Premaxillary orthopedic intrusion with distraction devices in bilateral cleft lip and palate patients: a case report. J Taiwan Assoc Orthod 2001; 13: 48-57
  13. Ko EWC*. The application of distraction osteogenesis in severe cleft maxillary hypoplasia. J Taiwan Assoc Orthod 2001; 13(1): 21-29
  14. Figueroa AA*, Polley JW, Ko EWC. Craniofacial distraction osteogenesis. Chapter 55, Distraction osteogenesis for treatment of severe cleft maxillary deficiency with the RED technique. 2001 by Mosby, Inc. 
  15. Lu CH, Ko EWC*, Huang CS. The accuracy of video imaging prediction in soft tissue outcome after bimaxillary orthognathic surgery. J Oral Maxillofac Surg 2003 61:333-342
  16. Lo LJ*, Wong FH, Chen YR, Lin YW, Ko EWC. Palatal surface area management: comparisons among different cleft type. Ann Plast Surg 2003; 50:18-24
  17. Ko EWC*, Liao YF, Huang CS. A high angle skeletal Class II malocclusion treated with orthognathic surgery and canine/incisor substitution. J Taiwan Assoc Orthod 2003; 15(2):44-50
  18. 王郁智 柯雯青* 劉人文 陳怡如 黃炯興  The application of pendulum appliance for Class II malocclusion in an adolescent patient – a case report. J Taiwan Assoc Orthod 2003; 15:56-63
  19. Ko EWC, Hung KF, Huang CS*, Chen KT. Correction of facial asymmetry with multiplanar mandible distraction: a one-year follow-up study. Cleft Palate-Craniofacial J 2004; 41(1): 5-12
  20. Figueroa AA*, Polley JW, Friede H, Ko EWC. Long-term stability after maxillary advancement with distraction osteogenesis using a rigid external distraction device in cleft maxillary deformities. Plast Reconstr Surg 2004; 114:1382-1392 
  21. Ko EWC*, Huang CS, Chen YR, Figueroa AA. Cephalometric craniofacial characteristics in patients with temporomandibular joint ankylosis. Chang Gung Med J 2005;28:456-66
  22. Wang YC, Ko EWC*. The Nature of Open Bite. 中華民國齒顎矯正學雜誌17卷2期 J Taiwan Assoc Orthod 6: 35-41,2005/6
  23. Pai BC. Ko EWC*, Huang CS. Liou EJ. Symmetry of the nose after presurgical nasoalveolar molding in infants with unilateral cleft lip and palate: a preliminary study. Cleft Palate-Craniofacial Journal. 42(6):658-63, 2005/11 (SCI; IF=0.884; Surgery 109/166)
  24. Wang YC. Ko EWC*, Huang CS. Chen YR. The inter-relationship between mandibular autorotation and maxillary LeFort I impaction osteotomies. Journal of Craniofacial Surgery. 17(5):898-904, 2006/9 (SCI; IF=0.812; Surgery 116/166)
  25. Huang CS*, Harikrishnan P, Liao YF, Ko EWC, Liou EJW, Chen PKT. Long-term follow-up after maxillary distraction osteogenesis in growing children with cleft lip and palate. Cleft palate-Craniofacial J 44: 274-277, 2007 (SCI; IF=0.884; Surgery 109/166)
  26. Chu YM, Chen RPH, Ko EWC, Morris DE, Chen YR*. Surgical Approach to patients with bimaxillary protrusion. Clinics in Plastic Surg 34:535~546, 2007 (SCI; IF=0.952; Surgery 103/166)
  27. Liao HT, Chen CH*, Bergeron L, Ko EWC, Chen PK, Chen YR. Alveolar bone grafting in the treatment of midline alveolar cleft and diastema in incomplete median cleft lip. Int J Oral Maxillofac Surg 37(10):886-91 2008/11 (SCI; IF=1.444; Surgery 71/166) 
  28. Lu CF, Chen PL, Ko EWC, Pan WL*. Interdisplinary therapy of orthodontics and implantology for trauma patient: A case Report. 中華民國牙周病醫學會雜誌 13(1):65-74 2008/03 
  29. 謝欣宜Hsieh HY, 柯雯青Ko EWC*, 黃烱興Huang CS. Orthodontic molar uprighting-Literature Review. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(1): 9-17 2009/03
  30. 邱鈺婷Chiu YT, 柯雯青Ko EWC*. A Review of the relationship between facial morphology in vertical dimension and the masticatory musculature. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(1): 19-25 2009/03
  31. 劉育佳 Liou YJ, 柯雯青Ko EWC, 劉人文Liou EJW, 白健蓉Pai BCJ*. The Possibility of acceleration in orthodontic tooth movement. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(1): 37-44 2009/03
  32. 許勝評 Hsu SSP, 黃烱興Huang CS*, 劉人文Liou EJW, 柯雯青Ko EWC, 林政輝Lin CCH, 陳昱瑞Chen YR. Correction of mandibular prognathism with double-jaw surgery and clockwise rotation of the occlusal plane- Case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(1): 54-63 2009/03
  33. Lu CH, Ko EWC, Liu L*. Improving the video imaging prediction of presurgical facial profiles with and artificial neural network. J Dental Science 4(3): 118-129 2009/9 (SCI; IF=0.107; Dentistry 64/64)
  34. Ko EWC*, Huang CS, Chen YR. Characteristics and corrective outcome of face asymmetry by orthognathic surgery. J Oral Maxillofac Surg 67(10):2201-2209 2009/10 (SCI; IF=1.580; Dentistry 27/64)
  35. 謝欣宜 Hsieh CHY, 柯雯青 Ko EWC*, 許勝評 Hsu SSP, 黃烱興 Huang CS, 林政輝Lin CCH. Facial Asymmetry Corrected with Surgical Orthodontic Treatment—Case Report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(3): 28-36 2009/10
  36. 許勝評 Hsu SSP*, 黃烱興 Huang CS, 劉人文Liou EJW, 柯雯青Ko EWC, 廖郁芳 Liao YF, 謝欣宜 Hsieh CHY, 林政輝Lin CCH, 陳昱瑞Chen YR. Correction of Surgical Class III with Surgery-First Orthognathic Approach- Case Report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(3): 37-47 2009/10
  37. 謝欣宜 Hsieh CHY, 許勝評 Hsu SSP*, 黃烱興 Huang CS, 劉人文Liou EJW, 柯雯青Ko EWC, 廖郁芳 Liao YF, , 林政輝Lin CCH, 陳昱瑞Chen YR. Correction of facial asymmetry with surgery-first orthodontic approach- Case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 21(4): 30-38 2009/12
  38. Chou EK, Ko EWC, Chen PKT, Yu JCK, Chang SCN*. Microform or incomplete medium cleft lip: strategy and management. Plastic Reconstr Surg 124:437e-438e 2009/12 (SCI; IF=2.743; Surgery 27/166) 
  39. Chou EK, Cheung DCC, Ko EWC, Chen YR, Chang SCN*. Functional and aesthetic approach to adult unoperated Möbius syndrome: orthognathic surgery followed by bilateral free gracilis muscle transfers. Plastic Reconstr Surg 125:58e-60e 2010/2 (SCI; IF=2.74; Surgery 27/166)
  40. 謝育佳 Hsieh EYJ, 柯雯青Ko EWC*. Orthognathic surgery for rehabilitation of adult patient with complicated dentofacial deformities- Case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 22(1): 28-37 2010/3
  41. 許勝評 Hsu SSP*, 林政輝Lin CCH, 謝欣宜 Hsieh CHY, 謝育佳 Hsieh EYJ, 黃烱興 Huang CS, 劉人文Liou EJW, 柯雯青Ko EWC, 廖郁芳 Liao YF,  陳昱瑞Chen YR. Interdisciplinary approach to correct mandibular prognathism with missing central incisor- Case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 22(1): 47-58 2010/3
  42. 戴楸霏 Hui ITC, 柯雯青Ko EWC*, 黃烱興 Huang CS. Characteristics of syndromic craniosynostosis and its contemporary treatment. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 22(2): 4-9 2010/6
  43. Wang YC, Ko EWC*, Huang CS, Chen YR, Takano-Yamamoto T. Comparison of Transverse Dimensional Changes in Surgical Skeletal Class III Patients With and Without Presurgical Orthodontics. J Oral Maxillofac Surg 68:1807-1812, 2010/8 (SCI; IF=1.580; Dentistry 27/64)
  44. Hsieh CHY, Ko EWC*, Chen PKT, Huang CS. The Effect of Gingivoperiosteoplasty on Facial Growth in Patients with Complete Unilateral Cleft Lip and Palate. Cleft Palate Craniofac J 47:439-446 2010/9 (SCI; IF=0.884; Surgery 109/166)
  45. Liao YF*, Chiu YT, Huang CS, Ko EWC, Chen YR. Presurgical orthodontics versus no presurgical orthodontics: treatment outcome of surgical-orthodontic correction for skeletal Class III open bite. Plast Reconstr Surg 126:2074-2083, 2010(12) (SCI; IF=2.993; Surgery 36/198, 18.2%)
  46. Ko EWC, Hsu SSP, Hsieh HY, Wang YC, Huang CS*, Chen YR. Comparison of progressive cephalometric changes and postsurgical stability of skeletal Class III correction with and without presurgical orthodontic treatment. J Oral Maxillofac Surg 69:1469-1477, 2011(5) (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  47. Wu TT, Chen PKT, Lo LJ, Cheng MC, Ko EWC*. The Characteristics and distribution of dental anomalies in patients with cleft.長庚醫誌Chang Gung Medical J 34:306-314, 2011/5~6 (本院認可期刊) 
  48. Tashima H, Wattanawong K, Ho CT, Ko EWC, Nguyen A, Lo LJ. Orthognathic surgery considerations for patients with undiagnosed Type I osteogenesis imperfecta. J Oral Maxillofac Surg 69:2233-2241, 2011(5)(SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  49. Wu TT, Ko EWC*. Application of Miniscrew Anchorage to Assist Scissors-Bite Correction. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 23(2): 50-63, 2011 (本院認可期刊)
  50. Chen YH, Ko EWC*, Chen PKT, Huang CS. Combined fronto-facial monobloc distraction osteogenesis and orthognathic surgery in a patient with Crouzon syndrome – a case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 23(4):52-63, 2011(12) (本院認可期刊)
  51. Ko EWC, Chen PKT, Tai ICH, Huang CS. Fronto-facial monobloc distraction in syndromic craniosynostosis- three-dimensional evaluation of treatment outcome and facial growth. Int J Oral Maxillofac Surg 41(1):20-27, 2012 (SCI; IF=1.565, Dentistry, Oral Surgery & Medicine, 30/87, 34.5%)
  52. Hsu SP, Huang CS, Chen PKT, Ko EWC*, Chen YR. The stability of mandibular prognathism corrected by bilateral sagittal split osteotomies: A comparison of bi-cortical osteosynthesis and mono-cortical osteosynthesis. Int J Oral Maxillofac Surg 41(2):142-149, 2012 (SCI; IF=1.565, Dentistry, Oral Surgery & Medicine, 30/87, 34.5%)
  53. Ko EWC*, Huang CS, Lo LJ, Chen YR. Longitudinal observation of mandibular Motion pattern in patients with skeletal Class III malocclusion subsequent to orthognathic surgery. J Oral Maxillofac Surg 70:e158e-e168, 2012/2 (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  54. Yang YL, Ko EWC*, Huang CS, Chen YR. Dental and skeletal correction of Möbius syndrome: a case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 24(1):55-63, 2012 (本院認可期刊)
  55. Wang YC, Ko EWC*, Chen PKT. Face asymmetry and mandibular bite collapse corrected with orthoganthic surgery and miniscrews in patient with Wilson disease. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 24(2):4-15, 2012 (本院認可期刊)
  56. Hsu SP, Singhal D, Xia JJ, Gateno J, Lin CH, Huang CS, Lo LJ, Ko EWC, Chen YR. Planning the surgery-first approach in surgical-orthodontic treatment with a computer aided surgical simulation (CASS) planning protocol. 中華民國齒顎矯正學會雜誌J Taiwan Assoc Orthod 24(2):24-37, 2012 (本院認可期刊)
  57. Lim H, Ko EWC*, Lo LJ. LeFort III Distraction Osteogenesis: Modification of the intraoral splint in the rigid external distraction. J Craniofac Surg 23(3):856-858, 2012 (May) (SCI, IF=0.678, Surgery 165/198, 83.3%)
  58. Liao YF*, Hsieh YJ, Chen I Ju, Ko EWC, Chen PKT. Comparative outcomes of two nasoalveolar molding techniques for unilateral cleft nose deformity. Plastic Reconstr Surg 130(6):1289-1295, 2012(12) (SCI; IF=2.993; Surgery 366/198; 18.2%)
  59. Ko EWC, Lin SC, Chen YR, Huang CS＊. Skeletal and dental variables related to the stability of orthognathic surgery in Skeletal Class III Malocclusion With a Surgery-First Approach. J Oral Maxillofac Surg 71(5):e215-e223, 2013(55) (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  60. Hsieh YJ, Ko EWC*, Liao YF, Huang CS. Correction of severe Class II division 1 malocclusion with miniscrew anchorage- a case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 25(1):31-45, 2013 (本院認可期刊)
  61. Ko EWC*, Huang CS, Lo LJ, Chen YR. Alteration of masticatory electromyographic activity and stability of orthoganthic surgery in patients with skeletal Class III malocclusion. J Oral Maxillofac Surg 71:1249-1260, 2013/7 (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  62. Wang Q, Zhou L, Zhao JZ, Ko EW. An extraoral nasoalveolar molding technique in complete unilateral cleft lip and palate. Plast Reconstr Surg Glob Open 1(4):e26, 2013/8
  63. Wu TT, Ko EWC*, Chen PKT, Huang CS. Craniofacial characteristics in unilateral complete cleft lip and palate patients with congenitally missing teeth. Am J Orthod Dentofacial Orthop 144:381-90, 2013/9 (SCI; IF=1.382; Dentistry, Oral Surgery & Medicine 40/87, 46.0%)
  64. 柯雯青，劉人文，黃炯興。初探牙醫系實習醫學生客觀結構式臨床測驗(OSCE)之模式與結果。醫療品質雜誌 7(5)：76-82, 2013/9 (2013年9月號/第7卷第5期)
  65. Huang CS*, Syu JJS, Ko EWC, Chen YR. Quantitative evaluation of cortical bone thickness in mandibular prognathic patients with neurosensory disturbance after bilateral sagittal split osteotomy. J Oral Maxillofac Surg 71:2153.e1-2153.e10, 2013/10 (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%)
  66. Wang YM, Ju YR*, Ko EWC, Pan WL, Chang STJ. Root coverage with laterally positioned pedical flap and subepithelial connective tissue graft and localized severely denuded root surface after surgical orthodontic treatment in cleft lip and palate: a case report. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 26(1):41-48, 2014 (本院認可期刊)
  67. Liao YF*, Wang YC, Chen IJ, Pai CJ, Ko EWC, Wang YC. Comparative outcomes of two nasoalveolar molding techniques for bilateral nose deformities. Plast Reconstr Surg 133(1):103-110, 2014/1 (SCI; IF=2.993; Surgery 36/198, 18.2%)
  68. Chen YH, Lin CH, Ko EWC*. Comparison of the initial nasolabial Changes by 2 different alar base cinch suture techniques in Class III patients who received two-jaw orthognathic surgery. 中華民國齒顎矯正學會雜誌 J Taiwan Assoc Orthod 26(2):82-91, 2014 (本院認可期刊)
  69. Teng TTY, Ko EWC*, Huang CS, Chen YR. Effect of early physiotherapy on the recovery of mandibular function after orthognathic surgery for Class III correction: part I— jaw-motion analysis. J Cranio-maxillofac Surg 43(1):131-137, 2015(1) (SCI, IF=2.933, Dentistry, Oral Surgery & Medicine, 11/87, 12.6%)
  70. Ko EWC*, Teng TTY, Huang CS, Chen YR. Effect of early physiotherapy on the recovery of mandibular function after orthognathic surgery for Class III correction: part II—electromyography activity of masticatory muscles. J Cranio-maxillofac Surg 43(1):138-143, 2015(1) (SCI, IF=2.933, Dentistry, Oral Surgery & Medicine, 11/87, 12.6%)
  71. Ko EWC*, Alazizi AI, Lin CH. The 3D surgical changes of mandibular proximal segments affect outcome of jaw motion analysis. J Oral Maxillofac Surg 73:971-984, 2015(5) (SCI; IF=1.425; Dentistry, Oral Surgery & Medicine 37/87, 42.5%) 
  72. Chen YH, Lin CH, Ko EWC*. Effects of two alar base suture techniques on nasolabial changes after bimaxillary orthognathic surgery in Taiwanese patients with Class III malocclusions. Int J Oral Maxillofac Surg 44:816-822, 2015(5) (SCI; IF=1.565, Dentistry, Oral Surgery & Medicine 30/87, 34.5%)
  73. Huang YC, Lin CL, Ko EWC*. Effects of proximal grooves and abutment height on the resistance of resin-cemented crowns in teeth with inadequate resistance: an in vitro study.長庚醫誌Biomedical J 38(4):336-341, 2015(8) (本院認可期刊)
  74. Lu TC, Kang GC, Yao CF, Liou EJ, Ko EW, Chen ZC, Chen PK. Simultaneous maxillo-mandibular distraction in early adolescence as a single treatment modality for durable correction of type II unilateral hemifacial microsomia: follow–up till completion of growth. J Craniomaxillofac Surg 44(9):1201-8, 2016/9
  75. Lin WC, Ko EWC*. Orthodontic treatment in periodontal compromised patient   with Class II posterior cross bite and deep overbite. 中華民國齒顎矯正學會期刊 Taiwanese J Orthod 27(4):186-195, 2016 (本院認可期刊)
  76. YA Chen, Ng LS, Ko EW, Chen YR. Mandibular contouring during orthognathic surgery using the modified Hunsuck technique. J Craniofac Surg 28(1):239-240, 2017/1
  77. Fan SW, Ko EWC*, Chen PKT. Long-term Evaluation and Treatment for a Patient with Costochondral Graft to Reconstruct Bony Deficiency in Hemifacial Microsomia- A case report. 中華民國齒顎矯正學會期刊 Taiwanese J Orthod 28(3,4):152-165, 2017 (本院認可期刊)
  78. Ko EWC, Chen PKT, Lo LJ. Comparison of adult 3D craniofacial features of patients with unilateral hemifacial microsomia with and without early mandibular distraction osteogenesis. Int J Oral Maxillofac Surg 46(6):811-818, 2017(6)
  79. Chen CYH, Ko EWC*. Relationship of the surface electromyography in masticatory muscles with the vertical facial patterns and orthodontic tooth movement. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 29(2):68-77, 2017 (本院認可期刊)
  80. Patchanee S, Ko EWC*, Lin CH. Definitive surgical orthodontic treatment to correct the problems subsequent to early skeletal Class III camouflage. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 29(2):108-117, 2017 (本院認可期刊)
  81. Hu CH, Wu CT, Ko EW, Chen PK. Monobloc frontofacial or LeFort III distraction osteogenesis in syndromic craniosynostosis: three-dimensional evaluation of treatment outcome and the need for central distraction. J Craniofacial Surg 28(5):1344-1349, 2017/7
  82. Yamaguchi K, Lonic D, Ko EW, Lo LJ. An integrated surgical protocol for adult patents with hemifacial microsomia: methods and outcomes. PLoS One. 2017 Aug 4;12(8):e0177223. doi: 10.1371/journal.pone.0177223. eCollection 2017.
  83. Hasprayoon S, Ko EWC*, Chen YA. Combined the orthodontic-orthognathic surgical correction on Class II division 2 malocclusion. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 29(4):213-223, 2017/12
  84. Chen YH, Lin CH, Ko EWC*. Surgical-orthodontic treatment with molar protraction in a patient with skeletal Class III anterior open bite and facial asymmetry. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 29(4):224-233, 2017/12
  85. Lin CW, Wang YC, Chen YH, Ko EWC*. Dentoskeletal Parameters Related to Visual Perception of Facial Asymmetry in Patients With Skeletal Class III Malocclusion After Orthognathic Surgery. Int J Oral Maxillofac Surg 47(1):48-56, 2018/1
  86. Ku MYC, Chen MC, Lo LJ, Ko EWC*. Prediction of the Need for Orthognathic Surgery in Patients With Unilateral Cleft Lip and Palate at Early Permanent Dentition Using Receiver Operating Characteristic Analysis. Am J Orthod Dentofac Orthop 153(3):405-414, 2018/3
  87. Ko EWC*, Lin CH, Chen YA, Chen YR. Enhance surgical outcomes in patients with skeletal class III facial asymmetry by 3D surgical simulation. J Oral Maxillofac Surg 76(5):1073-1083, 2018/5
  88. Yang YL, Ko EWC, Chen YR, Huang CS. Does Sensory retraining improve subjective rating of sensory impairment after bilateral sagittal split osteotomy? Plast Reconstr Sur Glob Open 14;6(5):e1769, 2018/5
  89. Jirathamopas J, Liao YF, Ko EWC, Chen YR, Huang CS. Female facial attractiveness from three-dimensional contour lines by university students. Dent J (Basel) 22;6(2):16, Epub 2018/5/22
  90. Udomlarptham N, Lin CH, Wang YC, Ko EWC*. Does 2D vs 3D Surgical Simulation Produce Better Surgical Outcomes Among Patients with Class III Facial Asymmetry? Int J Oral Maxillofac Surg 47(8):1022-1031, 2018/Aug
  91. Suppapinyaroj C, Ko EWC*, Chen YR. Surgical-orthodontic correction in skeletal Class III anterior open bite with an ankylosed maxillary molar. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 30(4):218-227, 2018 
  92. Borikanphanitphaisan T, Ko EWC*. Accuracy of Different Sequencing in Bimaxillary Orthognathic Surgery: A Systematic Review and Meta-analysis. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 31(1):12-23, 2019
  93. Chanruangvanich J, Ko EWC*, Chen YA. A modified surgery-first approach for mandibular prognathism with proclined maxillary incisors and mandibular spacing. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 31(2):86-94, 2019
  94. Kuo JJC, Ko EWC. Validating the 3D and 2D Mandibular Plane to the Frankfort Plane for Craniofacial Measurement. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 31(3):142-152, 2019
  95. Duy TDT, Chen MC, Ko EWC, Chen YR, Huang CS. Does sleep quality affect temporomandibular joint with degenerative joint changes? J Oral Maxillofac Surg 77(8):1594-1601, 2019/8
  96. Liu BCL, Lee IC, Lo LJ, Ko EWC*. Investigate the Oral Health Impact and Quality of Life on Patients with Malocclusion of Different Treatment Needs. Biomedical Journal 42:422-429, 2019/12
  97. Ho CY, Ko EWC*, Lin CH. Long-term observation of orthodontic management and facial growth on a patient with familial cleidocranial dysplasia. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 31(4): 226-240, 2019/12
  98. Chou PY, Denadai R, Yao CF, Chen YA, Chang CS, Lin CCH, Liao YF, Liou EJW, Ko EWC, Lo LJ, Huang CS, Chen YR. History and evolution of orthognathic surgery at Chang Gung Craniofacial Center: lessons learned from 35-year experience. Ann Plast Surg 84(IS Suppl 1): S60-S68, 2020/1
  99. Fan GSW, Wang YC, Huang CS, Ko EWC*. Effects of different occlusion setups with a surgery-first approach and simulated presurgical orthodontics on the mandibular position in skeletal Class III malocclusion. 中華民國齒顎矯正學會期刊Taiwanese J Orthod 32(1):4-16, 2020
  100. Duy TDT, Jinnavanich S, Chen MC, Ko EWXC, Chen YR, Huang CS. Are signs of degenerative joint disease associated with chin deviation? J Oral Maxillofac Surg 24;S0278-2391(20)30313-X, 2020/3
  101. Borikanphanitphaisan T, Lin CH, Chen YA, Ko EWC*. Analysis of Jawbone Positioning Accuracy by the Guide of Intermediate Splint in Maxilla-first or Mandible-first Approach. Plastic Reconstr Surg (in press)


 B).  Scientific Abstracts and Presentation:

  1. Ko EWC, Huang CS, Chen YR: Clinical evaluation of sensory disturbance after orthognathic Surgery. 17th Annual Session of Association for Dental Science, R.O.C. Taichung, Apr, 1994
  2. Ko EWC, Huang CS*, Chen YR: Craniofacial characteristics in patients with temporomandibular joint ankylosis.18th Annual Session of Association for Dental Science, R.O.C. Taipei, Apr, 1994
  3. Ko EWC, Huang CS*, Chen YR: Craniofacial characteristics in patients with temporomandibular joint ankylosis. 3rd Asian Pacific Cleft Lip and Palate Conference, New Zealand, Sep, 1995  
  4. Ko EWC, Huang CS*, Chen YR: Post-operative changes after mandibular costochondral graft. 19 Annual Session of Association for Dental Science, ROC Kaohisung, May 1996 
  5. Ko EWC, Figueroa AA*, Polley JW: Facial profile changes after rigid external distraction in patients with cleft related maxillary hypoplasia. 56 Annual Meeting of American Cleft Palate-Craniofacial Association, Arizona, USA, 
  6. Ko EWC, Figueroa AA*, Polley JW: The effect of maxillary advancement on dental eruption after distraction osteogenesis with a rigid external distraction device. 56 Annual Meeting of American Cleft Palate-Craniofacial Association, Arizona, USA, Apr, 1999
  7. Ko EWC, Polley JW, Figueroa AA*: Long term skeletal stability of maxillary distraction osteogenesis in cleft maxillary deformities. The 4th Asian Pacific Cleft Lip&Palate Conference, Fukuoka, Japan Sep 28-30, 1999
  8. Ko EWC, Figueroa AA*, Polley JW: The effect of Le Fort I osteotomy and distraction osteogenesis on dental eruption. The 4th Asian Pacific Cleft Lip & Palate Conference, Fukuoka, Japan Sep 28-30, 1999
  9. Ko EWC, Figueroa AA*, Polley JW: Soft tissue profile changes and its stability after maxillary advancement through distraction osteogenesis. The 4th Asian Pacific Cleft Lip & Palate Conference, Fukuoka, Japan Sep 28-30, 1999
  10. Ko EWC, Figueroa AA*, Polley JW: Soft tissue profile changes after maxillary rigid external distraction: A one-year follow up. International Society of Craniofacial Surgery 8th International Congress, Taipei, Taiwan, Oct 31-Nov 3,1999
  11. Ko EWC, Lin WY. Presurgical nasoalveolar molding. International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, July 3~8, 2000
  12. Ko EWC, Lin WY. Distraction osteogenesis in cleft patients, orthodontic aspect. International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, July 3~8, 2000
  13. Huang CS*, Ko EWC. Pre/postoperative orthodontics. International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, July 3~8, 2000
  14. Ko EWC*, Huang KF, Huang CS, Chiang SCN, Chen PKT, Liou EJW. Correction of dental asymmetry during the multiplanar mandible distraction with intermaxillary elastics. The 9th International Congress on Cleft Palate and Related Craniofacial Anomalies, Goteborg Sweden, 25-29 June 2001
  15. Lu CH *, Ko EWC, Huang CS. Using artificial neural network to improve the accuracy of treatment simulation. IADR, Hawaii, USA, March 13 2004
  16. Ko EWC. Presurgical orthodontics and planning. The Third International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, Sep 6~9, 2004
  17. Ko EWC. Orthodontic Cephalometry. The Third International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, Sep 6~9, 2004
  18. Hsu SP, Ko EWC*. The stability of mandibular setback by bilateral sagittal split osteotomy (BSSO) with different fixation methods: A comparison of bi-cortical screws and plates with screws. 中華牙醫學會年度會員大會暨學術研討會, 2004/9 ,Kaohsiung, Taiwan. 
  19. Ko EWC. Orthodontic management and planning in facial asymmetry. The Third International Workshop Surgical Techniques in Cleft Lip & Palate and Maxillofacial Surgery, Taipei, Taiwan, Sep 6~9, 2004
  20. Hsu SP, Ko EWC*. The stability of mandibular setback by bilateral sagittal split osteotomy (BSSO) with different fixation methods: A comparison of bi-cortical screws and plates with screws. American Cleft Palate-Craniofacial Association’s 62th Annual Meeting. Myrtle Beach, 2005/4, South Carolina, USA.
  21. Hsieh HY, Ko EWC*. The effect of Gingivoperiosteoplasty (GPP) on midface growth in patients with unilateral cleft lip and palate-a preliminary study. 中華民國齒顎矯正學年度大會 2006/12/15,16, Taipei, Taiwan 
  22. Ko EWC. Surgical decompensation in correction of face asymmetry. The Second Cross-Strait Four Regions Orthodontic Conference, 2006 11/19~21, Nanjing, China
  23. Liou YJ, Ko EKC*. The effect of LeFort I osteotomy on nasal morphology. The Second Cross-Strait Four Regions Orthodontic Conference, 2006 11/19~21, Nanjing, China
  24. Ko EWC. Orthodontic nasoalveolar molding. International symposium on congenital Anomaly (ISOCA) 2007/4/13-15, Jakarta, Indonesia
  25. Chang SCN, Chen PKT, Chen YR, Ko EWC. Esthetic Facial Contouring and Reanimation Reconstruction in Unoperated Adult Mobius Syndrome: An Orthognathic Surgery Followed by Bilateral Free Functioning Gracilis Muscle Transfers. ISCFS XII Biennial International Congress, Salvador, Bahia, Brazil, August 23-25, 2007
  26. Ko EWC. Three dimensional orthodontic management in OGS. Orthodontic management of sagittal dimension. The International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity, Taipei, Taiwan, Oct 29-31, 2007
  27. Ko EWC. Comparison of dental and skeletal changes between surgical first and modified conventional approach in Class III orthognathic correction. The 6th Asian Implant Orthodontic Conference and 20th TAO Annual Conference, Taichung, Taiwan, Dec 14-16, 2007  
  28. Ko EWC. Orthodontic management of hemifacial microsomia. 中華唇腭裂暨顱顏學會第五屆第二次會員大會, Taipei, Taiwan, Feb 24, 2008
  29. Ko EWC. Orthodontic management of cleft dental anomalies and asymmetry. The Fifth International Workshop on Surgical Techniques in Cleft Lip and Palate and Maxillofacial Surgery, Taoyuan, Taiwan, Oct 2~4, 2008/10/8
  30. 柯雯青. 由唇腭裂治療經驗談非典型拔牙。矯正學會20周年紀念系列演講【系列一】非典型拔牙的成因及矯正技巧。Taipei, Taiwan, Oct 5, 2008
  31. Ko EWC. Treatment outcomes and stability of forward craniofacial distraction in syndromic craniosynostosis. The 7th Asian Pacific Craniofacial Association Conference (APCA), The Congress of the International Society for Simulation Surgery (ISSiS), Taipei, Taiwan, Oct 5~8, 2008 
  32. 柯雯青. 由唇腭裂治療經驗談非典型拔牙矯正治療。第三屆兩岸四地齒顎矯正學術會議。Taipei, Taiwan Dec 13, 2008
  33. 柯雯青. 唇腭裂的早期矯正治療。﹝唇腭裂治療新發展﹞學習班，上海交通大學醫學院附屬第九人民醫院主辦。Shanghai, China, May 17, 2009 
  34. 柯雯青Ko EWC. Treatment of craniofacial microsomia with distraction. AO CMF Worshop, Advance in Craniomaxillofacial Distraction Osteogenesis and Resorbable Plate, Taoyuan, Taiwan, June 13-14, 2009
  35. 柯雯青. 長庚牙科影像數位化。中華民國醫院牙科協會，桃園，台灣 2009/8/9   
  36. Ko EWC. Skeletal improvement and stability of craniofacial distraction in syndromic craniosynostosis. Cleft 2009, 11th International Congress on Cleft Lip and Palate and Related Craniofacial Anomalies, Fortaleza/Brazil, Sep 10-13, 2009 
  37. 柯雯青。腭裂相關综合症的術前正畸治療。第七屆全國唇腭裂會議，南京，中國，2009/10/9-10
  38. Ko EWC. Functional evaluation and jaw movement analysis in orthognathic surgery. The Second International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity. 桃園，台灣 2009/10/29-31
  39. Ko EWC. Orthodontic Rationale and Principles for Face Asymmetry. The Second International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity. 桃園，台灣 2009/10/29-31
  40. Ko EWC. Orthodontic Preparation and Management for orthognathic surgery. The second ID Orthodontic-Orthognathic Surgery Symposium, April 4, 2010, Seoul, Korea  
  41. Ko EWC. Three Dimensional Progressive Tooth Movement in Orthognathic Surgery with and without Pre-surgical Orthodontics. The second ID Orthodontic-Orthognathic Surgery Symposium, April 4, 2010, Seoul, Korea 
  42. 柯雯青. 唇腭裂齒顎矯正之序列治療。中華民國兒童牙科醫學會第六十九次學術討論會，台北，台灣 2010/9/12
  43. Ko EWC. Presurgical Orthodontics in Alveolar Bone Grafting. The Sixth International Workshop on Surgical Techniques in Cleft Lip and Palate and Maxillofacial Surgery. Taoyuan, Taiwan, Sep 27~29,2010 
  44. Ko EWC. Orthodontic Management of Cleft Dental Anomalies. The Sixth   International Workshop on Surgical Techniques in Cleft Lip and Palate and Maxillofacial Surgery. Taoyuan, Taiwan, Sep 27~29,2010 
  45. 柯雯青. 唇腭裂嬰幼兒牙科相關照護。唇腭裂醫療研習營，宜蘭羅東博愛醫院，台灣 2010/10/15
  46. 柯雯青.  DO in Craniofacial Anomalies. The 2nd World Congress for Plastic Surgeon of Chinese Descent, Linkou, Taiwan, Oct 28-31,2010
  47. Ko EWC. Discover the Functional Factors which affect Anchorage Preparation. TAO 22nd National Annual Meeting and 2nd World Implant Orthodontic Conference. Taipei, Taiwan, Dec 10~12, 2010
  48. Wu TT, Ko EWC*, Huang CS, Lo LJ. Cephalometric Craniofacial Characteristics with Different Types of Tooth Missing in Patients with Unilateral Cleft Lip and Palate. TAO 22nd National Annual Meeting and 2nd World Implant Orthodontic Conference. Taipei, Taiwan, Dec 10~12, 2010
  49. Wu TT, Ko EWC*. Use of Miniscrew Anchorage to Enhance Efficiency of Scissor Bite Correction. TAO 22nd National Annual Meeting and 2nd World Implant Orthodontic Conference. Taipei, Taiwan, Dec 10~12, 2010
  50. Chen YH, Ko EWC*, Chen PKT, Huang CS. Combined Fronto-Facial Monobloc Distraction Osteogenesis and Orthognathic Surgery in a Patient Crouzon Syndrome- A Case Report. TAO 22nd National Annual Meeting and 2nd World Implant Orthodontic Conference. Taipei, Taiwan, Dec 10~12, 2010
  51. Yang YL, Ko EWC*, Huang CS, Chen YR. Dental and Skeletal Correction of Möbius Syndrome- A Case Report. TAO 22nd National Annual Meeting and 2nd World Implant Orthodontic Conference. Taipei, Taiwan, Dec 10~12, 2010
  52. Ko EWC, Chen KT, Huang CS. Three Dimensional Evaluation of Monobloc Fronto-facial Distraction. Australasian Cleft Lip and Palate Association and Asian Pacific Cleft Lip and Palate/Craniofacial Congress 2011. Burswood Entertainment Complex, Perth, Australia, Mar 3/13-16, 2011
  53. Ko EWC, Lin CL, Lo LJ, Chen PKT, Huang CS. Three-dimensional modeling and biomechanical evaluation of mandible distraction osteogenesis. ACPA’s 68th Annual Meeting and Pre-Conference Symposium, San Juan, Pueto Rico, April 4-9, 2011
  54. Ko EWC. Functional Parameters Related to Orthognathic Surgery.  Inaugural Chang Gung Craniofacial Research Conference- Integrated Basic Science and Clinical Care, Taoyuan, Taiwan, April 4/16-17, 2011
  55. Ko EWC. Evaluation and Planning in Orthognathic Surgery. 2011 Chang Gung Mayo Clinic Symposium in Reconstructive Surgery, Taipei, Taiwan, October 27-30, 2011
  56. Ko EWC. Craniofacial Distraction in Syndromic Craniosynostosis. International Symposium of Medical Imaging on Cleft Palate & Craniofacial Anomalies, Taoyuan, Taiwan. October 30, 2011
  57. Ko EWC. Function Evaluation and Jaw Movement Analysis in Orthognathic Surgery. The 3rd International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity, Taoyauan, Taiwan, Oct 31~Nov 2, 2011 
  58. Ko EWC. Orthodontic Rationale and Principles for Facial Asymmetry. The 3rd International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity, Taoyauan, Taiwan, Oct 31~Nov 2, 2011 
  59. Ko EWC. Orthodontic Consideration and Management of Hemifacial Microsomia. The 3rd International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity, Taoyauan, Taiwan, Oct 31~Nov 2, 2011 
  60. Chen YH, Lin CH, Ko EWC*. The Relationship Between Nasal Aesthetics and Maxillary LeFort I Osteotomy. The 3rd International Workshop on Surgical-Orthodontic Approach to Dentofacial Deformity, Taoyauan, Taiwan, Oct 31~Nov 2, 2011
  61. Chen YH, Ko EWC*, Chen YR, Huang CS. Combined Surgery-First Surgical Orthodontic and Prosthodontic Treatment in A patient with mandibular Prognathism and Loss of Occlusal Vertical Dimension- A Case Report. The 23rd Annual Conference of Taiwan Association of Orthodontists, Taichung, Taiwan, Dec 9~11, 2011
  62. Chen YF, Ko EWC*, Chen IJ, Chen YR. Combined Surgical and Orthodontic Treatment in Skeletal Anterior Open Bite- A Case Report. The 23rd Annual Conference of Taiwan Association of Orthodontists, Taichung, Taiwan, Dec 9~11, 2011
  63. Chen YH, Ko EWC*, Huang CS. Change of Mandibular Motion Pattern in Patients with Skeletal Class III following Orthognathic Surgery. The 23rd Annual Conference of Taiwan Association of Orthodontists, Taichung, Taiwan, Dec 9~11, 2011
  64. Wu TT, Ko EWC*. Craniofacial Characteristics Related to Tooth Missing in Unilateral Complete Cleft Lip and Palate patients. The 23rd Annual Conference of Taiwan Association of Orthodontists, Taichung, Taiwan, Dec 9~11, 2011
  65. Ko EWC. Orthodontic Rationale and Principles for Face Asymmetry. Symposium on Management of Secondary Deformity and Surgery-First Orthoganthic Surgery, Taoyuan, Taiwan, February 26, 2012
  66. Ko EWC. Alteration of Masticatory Electromyographic Activity after Orthognathic Surgery. 第二屆顱顏醫學國際學術研討會 The 2nd International Craniofacial Research Conference, Taoyuan, Taiwan, April 28~29, 2012 
  67. 柯雯青。單側完全性唇腭裂鼻牙槽塑形。2012青島長庚論壇，第三屆長庚唇顎裂及顱顏手術研討會，青島，中國，2012年5月27~29日
  68. 柯雯青。唇腭裂之正畸治療原則。2012青島長庚論壇，第三屆長庚唇顎裂及顱顏手術研討會，青島，中國，2012年5月27~29日
  69. 柯雯青。半邊小臉症之正畸考慮。2012青島長庚論壇，第三屆長庚唇顎裂及顱顏手術研討會，青島，中國，2012年5月27~29日
  70. 柯雯青。正颌手術之正畸評估。2012青島長庚論壇，第三屆長庚唇顎裂及顱顏手術研討會，青島，中國，2012年5月27~29日
  71. Ko EWC. Orthodontic Treatment of Dentofacial Deformity after Trauma. AO Craniomaxillofacial Advanced Course, Taoyaun, Taiwan, June 16, 2012 
  72. Ko EWC. Orthodontic Management of Cleft Dental Anomalies. The Seventh International Workshop on Surgical Techniques in Cleft Lip and Palate and Maxillofacial Surgery. Taoyuan, Taiwan, Sep 26~28, 2012
  73. Chen YH, Ko EWC*, Lin CH.The nasal changes affected by 2 different alar base suture techniques after maxillary Le Fort I osteotomy—A preliminary study. The first Resident Meeting of Taiwan Association of Orthodontists, Taipei, Taiwan, Nov, 18, 2012 
  74. Chen YH, Ko EWC*。Facial asymmetry corrected with surgical orthodontic treatment—A case report. The first Resident Meeting of Taiwan Association of Orthodontists, Taipei, Taiwan, Nov, 18, 2012 
  75. Issam A, Ko EWC*. Changes in mandibular proximal segment after surgical correction of mandible deviation and the relation with mandibular functional alteration. The 3rd International Chang Gung Craniofacial Research Conference. Taoyuan, Taiwan, March 30~31, 2013
  76. Chen YH, Ko EWC*, Lin CH, Chen YR, Huang SC. The nasal changes affected by 2 different alar base suture techniques after maxillary LeFort I osteotomy: A preliminary result. 12th International Congress on Cleft Lip/Palate and Related Craniofacial Anomalies, Hilton Orlando Lake Buena Vista, Florida, USA, May 5-10, 2013
  77. Ko EWC, Huang CS, Lo LJ, Chen YR. Changes of masticatory electromyography after orthognathic surgery and the relations with surgical stability in skeletal Class III malocclusion. 12th International Congress on Cleft Lip/Palate and Related Craniofacial Anomalies, Hilton Orlando Lake Buena Vista, Florida, USA, May 5-10, 2013
  78. Ko EWC. Functional assessment of orthognathic surgery. Chang Gung Forum 2013, The 4th International Workshop on Surgery-First Orthognathic Surgery, Taoyuan, Taiwan, Sep 30~Oct 2, 2013
  79. Ko EWC. Orthodontic rationale and principles for facial asymmetry. Chang Gung Forum 2013, The 4th International Workshop on Surgery-First Orthognathic Surgery, Taoyuan, Taiwan, Sep 30~Oct 2, 2013
  80. Ko EWC. Orthodontic considerations and management of hemifacial microsomia. Chang Gung Forum 2013, The 4th International Workshop on Surgery-First Orthognathic Surgery, Taoyuan, Taiwan, Sep 30~Oct 2, 2013
  81. Lin WCW, Ko EWC*. Comparison of 3D dentoskeletal features between  patients with and without mandible deviation in skeletal Class III malocclusion. The 2nd Resident Meeting of Taiwan Association of Orthodontists. Dec.6, 2013, Kaohsiung, Taiwan
  82. Fan GSW, Ko EWC*. Correction of deep bite and gummy smile with the aid of TAD in Class II division 2 malooclusion: A case report. The 2nd Resident Meeting of Taiwan Association of Orthodontists. Dec.6, 2013, Kaohsiung, Taiwan
  83. Chen YH, Lin CH, Ko EWC*. Compare the nasolabial changes by 2 different alar base cinch suture techniques in Class III patients with orthoganthic surgery. The 25th Annual Conference of Taiwan Association of Orthodontists. Dec 7-Dec 8, 2013, Kaohsiung, Taiwan
  84. Ko EWC. Aesthetic and functional alignment in dentition. Symposium on「Dental-Facial Aesthetics」Feb 23, 2014, Taipei, Taiwan
  85. Chen YH, Lin CH, Ko EWC*. Nasolabial changes affected by 2 different alar base cinch sutures techniques after maxillary LeFort I osteotomy in Class III malocclusions: randomized controlled trial. 71th Annual Meeting and Symposia, American Cleft Palate-Craniofacial Association. Mar 24-29, 2014, Indianapolis, USA.
  86. Yang WM, Ho CT, Chen HL, Hsu SSP, Ko EWC, Lo LJ. Integrating three-dimensional digital dental model into craniofacial skull computed tomography by automatic superimposition of intraoral fiducial marker. 71th Annual Meeting and Symposia, American Cleft Palate-Craniofacial Association. Mar 24-29, 2014, Indianapolis, USA.
  87. Ko EWC, Issam A, Huang CS. Changes in mandibular proximal segment after surgical correction of mandible deviation and the relation with the mandibular functional alteration. 71th Annual Meeting and Symposia, American Cleft Palate-Craniofacial Association. Mar 24-29, 2014, Indianapolis, USA.
  88. Ko EWC. Orthodontic management in surgical correction of facial asymmetry. Chang Gung Advanced OGS Course: Surgery-First and One-Stent OGS, May 26-31, 2014, Taoyuan, Taiwan.
  89. Fan SW, Ko EWC*. Long-term evaluation and treatment for a patient with costochondral graft to construct bony deficiency in hemifacial microsomia. The 3rd Resident Meeting of Taiwan Association of Orthodontists. Oct, 26, 2014, Taipei, Taiwan.
  90. Lin CW, Ko EWC*. Orthodontic treatment in periodontal compromised patient with Class II posterior cross bite and deep bite. The 3rd Resident Meeting of Taiwan Association of Orthodontists. Oct, 26, 2014, Taipei, Taiwan.
  91. Ko EWC. Rationale of orthodontic management on cleft anomalies. The 8th International Workshop on Cleft Lip & Palate- Face the Controversies. Dec 8-10, 2014, Taoyuan, Taiwan.
  92. Ko EWC. Distraction osteogenesis on midface. The 8th International Workshop on Cleft Lip & Palate- Face the Controversies. Dec 8-10, 2014, Taoyuan, Taiwan.
  93. Lin CW, Ko EWC*. Orthodontic treatment for posterior crossbite and collapsed missing dental space in a patient with periodontal compromised dentition. Symposium on 「Dental-Facial Aesthetics」. Mar 39, 2015, Taipei, Taiwan.
  94. Fan SW, Ko EWC*. Long-term evaluation and treatment for an overgrowth reconstructed mandible by costochondral graft in a patient with hemifacial microsomia. Symposium on 「Dental-Facial Aesthetics」. Mar 29, 2015, Taipei, Taiwan.
  95. Ko EWC. The 3D surgical changes in proximal segments after bilateral sagittal    split osteotomies relating to functional alteration in Class III deviated mandible.     8th Asian Pacific Cleft Lip & Palate/ Craniofacial Congress 2015. April 23-25,    2015, Penang, Malaysia. 
  96. Ku MYC, Ko EWC*. Differentiate the facial growth pattern which indicated for orthognathic surgery in teenage patients with cleft lip and palate. 8th Asian Pacific Cleft Lip & Palate/ Craniofacial Congress 2015. April 23-25, 2015, Penang, Malaysia.  
  97. Ko EWC. Definitive facial correction of craniofacial microsomia: orthodontic treatment consideration. The 16th Congress of International Society of Craniofacial Surgery (ISCFS), 2015. Sep 14-18, 2015, Maihama, Japan. 
  98. Ko EWC. Orthodontic consideration of skeletal Class III deformities. The 5th International Workshop on Surgery-First Orthognathic Surgery. Oct 5-7, 2015, Taoyaun, Taiwan.
  99. Ko EWC. Functional changes after orthognathic surgery. The 5th International Workshop on Surgery-First Orthognathic Surgery. Oct 5-7, 2015, Taoyaun, Taiwan.
  100. Ko EWC. Surgery First in Orthognathic Surgery. 8th Annual Meeting of Thai Cleft Lip-Palate and Craniofacial Association. Nov 18-20, 2015, Khon Kaen, Thailand.
  101. Ko EWC. Distraction Osteogenesis on Midface for Craniofacial Anomalies. 8th Annual Meeting of Thai Cleft Lip-Palate and Craniofacial Association. Nov 18-20, 2015, Khon Kaen, Thailand.
  102. Ko EWC. Orthodontic Management on Cleft Related Anomalies. 8th Annual Meeting of Thai Cleft Lip-Palate and Craniofacial Association. Nov 18-20, 2015, Khon Kaen, Thailand.
  103. Ko EWC. 三維顱顏影像應用。2015中國長庚論壇。Dec 8-9, 2015, 深圳，中國。
  104. Ko EWC. 齒槽突裂的正畸處理 。2015中國長庚論壇。Dec 8-9, 2015, 深圳，中國。
  105. Ko EWC. 唇顎裂正颌正畸。2015中國長庚論壇。Dec 8-9, 2015, 深圳，中國。
  106. Ko EWC. Orthodontic consideration in surgical correction of face asymmetry. 台灣顱顏學會第八屆第一次年會暨學術研討會。Mar 13, 2016，台北，台灣。
  107. Ko EWC. Orthodontic management in surgical correction of face asymmetry. Chang Gung Advanced OGS Course: Surgery-First and One-Stent OGS. May 23-28, 2016, Taoyuan, Taiwan.
  108. Ko EWC. Orthodontic management in patients with clefts. The 9th International Workshop in Cleft Lip & Palate, Sep 30- Oct 2, 2016, Taoyuan, Taiwan.
  109. Ko EWC. 正顎手術協助深咬改正之方式與極限。TOS-TAO聯合學術演講，2016/10/23，台北，台灣。
  110. Rutapakon Insawak, Ko EWC*. Comparison of post-operative dental movement in class III surgical correction with and without pre-surgical orthodontic treatment. The 5th Resident Meeting of Taiwan Association of Orthodontist. Dec 2, 2016, Taipei, Taiwan.
  111. Nuttapong Udomlarpthm, Ko EWC*. Comparison of surgical outcome in skeletal class III asymmetry correction: 3D simulation vs. 2D traditional planning. The 5th Resident Meeting of Taiwan Association of Orthodontist. Dec 2, 2016, Taipei, Taiwan.
  112. Siripatra Patchanee, Ko EWC*. Definitive surgical orthodontic treatment to correct the problems subsequent to early skeletal class III camouflage- a case report. The 5th Resident Meeting of Taiwan Association of Orthodontist. Dec 2, 2016, Taipei, Taiwan.
  113. Supawadee Hasprayoon, Ko EWC*. Orthodontic treatment combined with orthognathic surgery correction in skeletal Class I hypodivergent type with dental Class II division 2 malocclusion- a case report.  The 5th Resident Meeting of Taiwan Association of Orthodontist. Dec 2, 2016, Taipei, Taiwan.
  114. Ko EWC, Chen PKT, Lo LJ. Collaborative Management of Alveolar Clefts in Adult Patients with Cleft Lip and Palate. 13th International Congress of the Confederation of Cleft Lip, Palate and Related Craniofacial Anomalies & 16th Annual Meeting of Indian Society of Cleft Lip, Palate and Craniofacial Anomalies, Feb 8-11, 2017, Chennai, Indian
  115. Ko EWC. 停看聽: 避免錯誤的治療選擇。中華民國齒顎矯正學會學術演講 Apr, 16, 2017 Taipei, Taiwan
  116. Ko EWC. Orthodontic correction of class III skeletal deformities. The Joint Symposium on the 6th International Workshop on Surgery-First Orthognathic Surgery & the 8th William H. Bell Lectureship. Sep 25-27, 2017, Taipei, Taiwan
  117. Ko EWC. Questionnaire Survey for Patient’s Satisfaction. The Joint Symposium on the 6th International Workshop on Surgery-First Orthognathic Surgery & the 8th William H. Bell Lectureship. Sep 25-27, 2017, Taipei, Taiwan
  118. Ko EWC. Long-Term Result of Hemifacial Microsomia. The Joint Symposium on the 6th International Workshop on Surgery-First Orthognathic Surgery & the 8th William H. Bell Lectureship. Sep 25-27, 2017, Taipei, Taiwan
  119. Ko EWC. Orthodontic Management of Patients with Cleft in Mixed Dentition. XVI National Annual Congress of Mexican Cleft Palate- Craniofacial Association (AMLPHAC), Oct 20-23, 2017 Cancun, Mexico
  120. Ko EWC. Re-examine the Benefits and Limitations of Distraction Osteogenesis by Long-term Observation. XVI National Annual Congress of Mexican Cleft Palate- Craniofacial Association (AMLPHAC), Oct 20-23, 2017 Cancun, Mexico
  121. Ko EWC. Osteogenic distraction in Cleft patients. XVI National Annual Congress of Mexican Cleft Palate- Craniofacial Association (AMLPHAC), Oct 20-23, 2017 Cancun, Mexico
  122. Ko EWC. Surgical-orthodontic Treatment in Patients with Secondary Cleft Deformities. XVI National Annual Congress of Mexican Cleft Palate- Craniofacial Association (AMLPHAC), Oct 20-23, 2017 Cancun, Mexico
  123. Ko EWC, Lin CH, Chen YR. Use Computer-aided Surgical Simulation to Enhance the Outcome of Surgery-First Approach. 17th ISCFS (International Society of Craniofacial Surgery) Biennial Meeting, Oct 24-28, 2017, Cancun, Mexico
  124. Ko EWC. Orthodontic management in surgical correction of face asymmetry. Chang Gung Advanced Course: Surgery-First Orthognathic Surgery, June 4-9, 2018, Taoyuan, Taiwan
  125. Ko EWC. Orthodontic consideration for face asymmetry. AOCMF Seminar- Advances in Orthognathic Surgery, June 9-10, 2018, Taoyuan, Taiwan
  126. Ko EWC. Orthodontic consideration for hemifacial microsomia. AOCMF Seminar- Advances in Orthognathic Surgery, June 9-10, 2018, Taoyuan, Taiwan
  127. Ko EWC. Presurgical orthodontics: less is more. 台灣口腔矯正學會第十一屆第二次會員大會暨學術演講 Appropriate Timing and Strategies for Orthodontic Treatment, Sep 1-2, 2018, Taipei, Taiwan.
  128. Ko EWC. Review the Distraction Osteogenesis in Craniofacial Anomalies. Chang Gung Forum 2018, the 10th International Workshop in Cleft Lip/ Palate, Nasal Deformities & Ear Deformities, Oct 1-3, 2018, Taoyuan, Taiwan
  129. Ko EWC. Computer-aided surgical simulation to enhance the surgical-orthodontic management of face asymmetry. 2019 Advanced International Orthodontic Professional Training Program in TMU, Jan 21-30, Taipei, Taiwan
  130. Ko EWC. 顏面歪斜的正顎手術矯正治療，江蘇省正畸科繼續教育學習班，南京醫科大學附屬口腔醫院，May 27-29, 南京，中國
  131. Ko EWC. Orthodontic management in surgical correction of face asymmetry. Chang Gung Advanced Orthognathic Course, May 27-30 , 2019, Taoyuan, Taiwan
  132. Ko EWC. Is there any universal formula for correcting skeletal Class III malocclusion. 台灣口腔矯正醫學會第十二屆第一次會員大會暨學術活動 Orthodontic Waves from Convention to Innovation, Sep 7-8, 2019, Taipei, Taiwan
  133. Ko EWC. Presurgical preparation: less is more. Chang Gung Forum 2019, the 7th International Workshop on Surgery-First Orthognathic Surgery, Oct 7-9, 2019, Taoyuan, Taiwan
  134. Ko EWC. Orthodontic consideration and management of Class III skeletal deformities. Chang Gung Forum 2019, the 7th International Workshop on Surgery-First Orthognathic Surgery, Oct 7-9, 2019, Taoyuan, Taiwan
  135. Ko EWC. Surgical-Orthodontic Correction in Facial Asymmetry: Clinical Practice and Treatment Limitation. 2019 TAO annual meeting, Innovation and beyond, Dec 7-8, 2019, Taichung, Taiwan