Faculty Staff
Dr Choi, Winnie Wing Shan

BDS, MDS, AdvDipOMS, PhD (HK); MOS RCS(Edin); FCDSHK(OMS); FHKAM(Dental Surgery)





General Information
Title

Clinical Assistant Professor in Oral and Maxillofacial Surgery


Division

Oral and Maxillofacial Surgery


E-mail

drwchoi@hku.hk
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Phone Number

2859 0266


Research profile

HKU Scholars Hub
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Scopus
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ORCID
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Google Scholar
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Research Theme

Oral Cancer



Areas of Research Expertise

Perioperative management
Postoperative soft-tissue change
Jaw reconstruction




Category
Publications Honours and Awards Knowledge Exchange Professional Societies Grants Invited Lectures and Keynote Speeches Community Services HKU Committee Appointments


Advanced Sorting
Publications
Article
Pu JJ, McGrath CP, Leung YY, Choi WS, Yang WF, Li KY, Su YX. The Impact of Coronavirus Disease 2019 on the Disease Pattern of Oral and Maxillofacial Surgery Inpatients: A Comparative Study, Frontiers in Medicine 2021; 8: article no. 613663-article no. 613663 doi:10.3389/fmed.2021.613663
Toh AQJ, Khoo US, Choi WS, Su YX. Clinicopathologic features of primary intraosseous carcinoma in situ arising from odontogenic keratocyst: A case report and literature review, Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology 2021; 33(3): 354-357 doi:10.1016/j.ajoms.2020.11.004
ZHU WY, Su YX, Pow EHN, Yang WF, Ling Q, Choi WS. “Three‐in‐one” patient‐specific surgical guides for simultaneous dental implants in fibula flap jaw reconstruction: A prospective case series, Clinical Implant Dentistry and Related Research 2021; 23(1): 43-53 doi:10.1111/cid.12954
Su RY, Yang W, Choi WWS, ZHU W, ZHANG CY, Li DTS, Tsoi KH, Tang WL, Kwok KW. Spatial Deviations of Temporomandibular Joint After Oncological Mandibular Reconstruction, International Journal of Oral and Maxillofacial Surgery 2021; doi:10.1016/j.joms.2020.07.081
Leung MYY, Wang R, Wong NSM, Li DTS, Au SW, Choi WWS, Su Y. Surgical morbidities of sagittal split ramus osteotomy versus intraoral vertical ramus osteotomy for the correction of mandibular prognathism: a randomized clinical trial, International Journal of Oral and Maxillofacial Surgery 2021; 50(7): 933-939 doi:10.1016/j.ijom.2020.06.023
Yang WF, Choi WS, Wong MCM, Powcharoen W, Zhu WY, Tsoi JKH, Chow M, Kwok KW, Su XY. Three-Dimensionally Printed Patient-Specific Surgical Plates Increase Accuracy of Oncologic Head and Neck Reconstruction Versus Conventional Surgical Plates: A Comparative Study, Annals of Surgical Oncology 2021; 28(1): 363-375 doi:10.1245/s10434-020-08732-y
Pu JJ, Choi WS, Yu P, Wong MCM, Lo AWI, Su YX. Do predetermined surgical margins compromise oncological safety in computer-assisted head and neck reconstruction?, Oral Oncology 2020; 111: article no. 104914-article no. 104914 doi:10.1016/j.oraloncology.2020.104914
Yang WF, Choi WS, Zhu WY, Su YX. “One-piece” patient-specific reconstruction plate for double-barrel fibula-based mandibular reconstruction, International Journal of Oral and Maxillofacial Surgery 2020; 49(8): 1016-1019 doi:10.1016/j.ijom.2019.12.006
Yang WF, Zhang CY, Choi WS, Zhu WY, Li DTS, Chen XS, Du R, Su YX. A novel ‘surgeon-dominated’ approach to the design of 3D-Printed Patient-Specific Surgical Plates in Mandibular Reconstruction: a proof-of-concept study, International Journal of Oral and Maxillofacial Surgery 2020; 49(1): 13-21 doi:10.1016/j.ijom.2019.05.005
Yao CJ, Chow J, Choi WWS, Mattheos N. Measuring the impact of simulation practice on the spatial representation ability of dentists by means of Impacted Mandibular Third Molar (IMTM) Surgery on 3D printed models, European Journal of Dental Education 2019; 23(3): 332-343 doi:10.1111/eje.12434
Thomson PJ, Leung MYY, Choi WWS. The face of Hong Kong, Faculty Dental Journal 2019; 10: 30-34 doi:10.1308/rcsfdj.2019.30
Huang TH, Li KY, Choi WWS. Lymph node ratio as prognostic variable in oral squamous cell carcinomas: Systematic review and meta-analysis, Oral Oncology 2019; 89: 133-143 doi:10.1016/j.oraloncology.2018.12.032
Bornstein MM, Yeung AWK, Tanaka R, Choi WWS. Die Jochbeinfraktur – typische klinische und radiologische Befunde, Swiss Dental Journal 2019; 129: 298-299
Au SW, Li KY, Choi WS, Su YX. Risk factors for recurrence of ameloblastoma: a long-term follow-up retrospective study, International Journal of Oral and Maxillofacial Surgery 2019; 48(10): 1300-1306 doi:10.1016/j.ijom.2019.04.008
Lam YHW, Hsung TC, Choi WWS, Luk WK, Cheng YY, Pow EHN. A clinical technique for virtual articulator mounting with natural head position by using calibrated stereophotogrammetry, Journal of Prosthetic Dentistry 2018; 119(6): 902-908 doi:10.1016/j.prosdent.2017.07.026
Suen KS, Lai Y, Ho SMY, Cheung LK, Choi WWS. A longitudinal evaluation of psychosocial changes throughout orthognathic surgery, PLoS ONE 2018; 13: e**-e** doi:10.1371/journal.pone.**
Yang WF, Choi WS, Leung YY, Curtin JP, Du R, Zhang CY, Chen XS, Su YX. Three-dimensional printing of patient-specific surgical plates in head and neck reconstruction: A prospective pilot study, Oral Oncology 2018; 78: 31-36 doi:10.1016/j.oraloncology.2018.01.005
Wong HH, Pow EHN, Choi WWS. Management of mandibular rotation after a mandibulectomy: a clinical report, Journal of Prosthetic Dentistry 2013; 110(6): 532-537 doi:10.1016/j.prosdent.2013.04.001
Nabil S, Lo CLR, Choi WWS. Simultaneous radicular cyst and mucoepidermoid carcinoma in the maxilla: a diagnostic nightmare, BMJ case reports 2013; doi:10.1136/bcr-2013-010290
Cheung CW, Choi WS, Leung YY, Lui F, Ng JKF, HeiHo AM, Irwin MG. A double-blind randomized crossover study to evaluate the timing of pregabalin for third molar surgery under local anesthesia, Journal of Oral and Maxillofacial Surgery 2012; 70(1): 25-30 doi:10.1016/j.joms.2011.03.056
Cheung CW, Jacobus Ng KF, Choi WS, Chiu WK, Ying ACL, Irwin MG. Evaluation of the analgesic efficacy of local dexmedetomidine application, Clinical Journal of Pain 2011; 27(5): 377-382 doi:10.1097/AJP.0b013e318208c8c5
Choi WWS, Lo J. Current concepts in mandibular reconstruction, Hong Kong Medical Diary 2011; 16(11): 3-6
Choi WS, Lee S, McGrath C, Samman N. Change in quality of life after combined orthodontic-surgical treatment of dentofacial deformities, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology 2010; 109(1): 46-51 doi:10.1016/j.tripleo.2009.08.019
Choi WS, Irwin MG, Samman N. The Effect of Tranexamic Acid on Blood Loss During Orthognathic Surgery: A Randomized Controlled Trial, Journal of Oral and Maxillofacial Surgery 2009; 67(1): 125-133 doi:10.1016/j.joms.2008.08.015
Choi WS, Samman N. Risks and benefits of deliberate hypotension in anaesthesia: a systematic review, International Journal of Oral and Maxillofacial Surgery 2008; 37(8): 687-703 doi:10.1016/j.ijom.2008.03.011
Conference Paper
Pang KG, Hsung TC, Law AKW, Choi WWS. Optimal vowels measurements for Obstructive Sleep Apnea Detection Using Speech Signals, IEEE International Conference on Information, Communication and Signal Processing (ICICSP) 2020; 143-147 doi:10.1109/ICICSP50920.2020.**
Choi WS, Yang W, Leung MY, Su Y. Application of three-dimensional printed plates in Le Fort III osteotomy, International Journal of Oral and Maxillofacial Surgery 2019; 48(Suppl. 1): 113-113 doi:10.1016/j.ijom.2019.03.346
Choi WWS, Cheung CW. Is Ketamine Effective in Reducing Postoperative Discomfort in Third Molar Surgery? A Randomised Controlled Trial, Journal of Oral and Maxillofacial Surgery 2018; 76(10, Suppl.): e36-e36
Huang TH, Choi WWS. Lymph node density as prognostic variable in oral cancer: Systematic review and meta-analysis, 13th Asian Congress of Oral and Maxillofacial Surgery 2018;
Choi WWS, Hsung TC. The accuracy of volumetric assessment of facial soft tissue changes using a portable laser scanner, The 13th Asian Congress of Oral and Maxillofacial Surgery 2018;
Choi WWS. Distraction osteogenesis of the jaws: considerations and treatment planning for best result, West Java Association of Oral and Maxillofacial Surgery Scientific Meeting 2017;
Li TS, Choi WWS. Distraction osteogenesis of the mandible: does postoperative infection affect stability?, International Journal of Oral and Maxillofacial Surgery 2017; 46(suppl 1): 161-162 doi:10.1016/j.ijom.2017.02.555
Choi WWS, Kumar SP. Two-dimensional and three-dimensional postsurgical temporomandibular joint condylar remodelling following vertical subsigmoid osteotomy setback surgery, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 155-155 doi:10.1016/j.ijom.2017.02.534
Lai KY, Choi WWS. Accuracy of sentinel lymph node biopsy in early oral squamous cell carcinoma, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 125-125 doi:10.1016/j.ijom.2017.02.438
Suen WKS, Choi WWS, Ho MY. Changes in psychosocial characteristics of patients with dentofacial deformities after corrective surgery: one-year prospective study, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 167-167 doi:10.1016/j.ijom.2017.02.574
Ho JKH, Choi WWS. Prevention and treatment of oral mucositis caused by chemo- and radiotherapy in head and neck cancer patient, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 144-144 doi:10.1016/j.ijom.2017.02.497
Rajaran JR, Choi WWS. Effectiveness of vitamin B complex in reducing chronic temporomandibular joint disorder pain — double blind randomised clinical trial, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 235-235 doi:10.1016/j.ijom.2017.02.794
Su Y, Choi WWS, Curtin JP, Samman N, Zheng GS, Liao GQ. Oncologic maxillary reconstruction: when, what, and how, International Journal of Oral and Maxillofacial Surgery 2017; 46(Suppl. 1): 192-192 doi:10.1016/j.ijom.2017.02.657
Choi WWS. Three-dimensional evaluation of postoperative facial contour: the current state of art, Hong Kong Singapore Indonesia Joint Symposium on OMS (Oral and Maxillofacial Surgeons) 2016;
Choi WWS. 3D evaluation of facial swelling, ACBID (A??z ve ?ene-Yüz Cerrahisi Birli?i Derne?i) 10th International Congress 2016;
Choi WWS. The value of tranexamic acid in orthognathic surgery, International Journal of Oral and Maxillofacial Surgery 2015; 44(suppl. 1): e3-e3 doi:10.1016/j.ijom.2015.08.920
Prem KS, Choi WWS. Radiographic condylar changes following vertical subsigmoid osteotomy in different setback magnitudes, IADR Malaysia Division 2015 2015;
Choi WWS, Samman N. Reconstruction of orofacial defects using free flap transfer: the Hong Kong experience, Asian Congress on Oral and Maxillofacial Surgery, ACOMS 2012 2012; 170-170
Choi WS, Lee S, Samman N, Hagg EUO, McGrath CPJ. Change in quality of life following combined orthodontic-surgical treatment of dentofacial deformities, International Conference on Oral and Maxillofacial Surgery 2009; 38(5): 468, abstract no. O8.8-468, abstract no. O8.8 doi:10.1016/j.ijom.2009.03.256

Honours and Awards
2018. Choi WWS, Cheung CW. Oral Abstract Scientific Presentation Award: American Association of Oral and Maxillofacial Surgeons.
2015. Prem KS, Choi WWS. 2nd prize: Malaysian Section IADR Travel Award Competition.
2012. Choi WWS. Best oral presentation: 10th Asian Congress of Oral and Maxillofacial Surgeons.
2011. Choi WWS. 2011 College of Dental Surgeons of Hong Kong Scholarship: The College of Dental Surgeons of Hong Kong.
2008. Choi WWS. Prize and award in the American Association of Oral & Maxillofacial Surgeons 90th Annual Meeting, Scientific Sessions & Exhibition in conjunction with the Chinese Society of Oral and Maxillofacial Surgeons, Seattle, USA, September 11-15, 2008 - "Outstanding Oral Abstract Presentation Award".

Knowledge Exchange
06 July 2019: Choi Winnie Wing Shan. Perceptual Assessment of Cleft Speech/Velopharyngeal Dysfunction: An International Perspective & A Tool for Cantonese-Speaking Children.
10 October 2018: Choi Winnie Wing Shan. 牙醫本科生的口腔頜面外科訓練.
28 May 2017: Choi Winnie Wing Shan. Oral Malignancy for General Dental Practitioner.
27 May 2017: Choi Winnie Wing Shan. Care for your Heart - Dental care for patients with valvular heart diseases.
10 May 2016: Li Qianfeng, Choi Winnie Wing Shan, Curtin Justin Paul, Ekambaram Manikandan. TV interview with HKTV - Cleft Palate Patient Interdisciplinary Treatment - Orthodontic perspective.
16 March 2016: Choi Winnie Wing Shan. 下頜骨骨折 Mandibular fractures.
02 March 2016: Choi Winnie Wing Shan. 面骨骨折 Facial fractures.
17 February 2016: Choi Winnie Wing Shan. 頜面創傷 (二) Facial trauma II.
03 February 2016: Choi Winnie Wing Shan. 頜面創傷(一) Facial Trauma I.
30 January 2016: Choi Winnie Wing Shan. oral healthcare for heart disease patients.
22 December 2015: Choi Winnie Wing Shan. 牙骹痛 TMJ syndrome.
24 November 2015: Choi Winnie Wing Shan. 痱滋、口瘡 Moulth ulcers.
10 November 2015: Choi Winnie Wing Shan. 兔唇裂顎 Cleft lip and palate.
21 September 2015: Choi Winnie Wing Shan. 注射麻醉藥或令神經線受損 Dental anesthesia.
03 April 2014: Choi Winnie Wing Shan. Now TV: TMJ pain.
30 September 2013: Choi Winnie Wing Shan, Cherrie Cheuk Yiu HUNG. 2013/14 Student KE Project Grant Mentor: KE-SP-2013/14-16: Updates on First Aid Management of Maxillofacial and Dental Trauma (HK$13,000).
07 November 2011: Choi Winnie Wing Shan. Jaw Reconstruction.

Professional Societies
08/2003 - present: Member. Hong Kong Dental Association.
06/2010 - present: Fellow. College of Dental Surgeons of Hong Kong.
06/2010 - present: Fellow. Hong Kong Academy of Medicine.
01/2010 - present: Member. Hong Kong Association of Oral and Maxillofacial Surgeons.

Grants
Project Title: Artificial intelligence-assisted orthodontic-orthognathic surgery planning to improve facial esthetics
Grant Type: General Research Fund (GRF)
Funding Year: 2021
Amount: HKD936882
Principal Investigator: Dr Gu, Min
Co-investigator(s): Dr Choi Winnie Wing Shan, Dr Hsung Tai-Chiu Richard, Professor Komura Taku, Dr Leung Mike Yiu Yan, Professor Wang Wen Ping
Project Title: Effects of Ketamine in Post-operative Pain and Recovery Outcomes in Bilateral Third Molar Surgery under General Anaesthesia: A Randomised Clinical Trial
Grant Type: Early Career Scheme (ECS)
Funding Year: 2014
Amount: HKD647236
Principal Investigator: Dr Choi, Winnie Wing Shan

Invited Lectures and Keynote Speeches
01 July 2021: Does computer assisted surgery prevent complications?. The 25th Congress of the European Association for Craniomaxillofacial Surgery.
01 September 2020: Reconstruction of the jaws following ablative tumour surgery. 10th Multi-specialty Medical Mega Conference.
01 February 2020: Nasendoscopy in VPI and Surgical Management. Department of Otorhinolaryngology, Head and Neck Surgery.
01 February 2017: Distraction osteogenesis of the jaws: considerations and treatment planning for best result. West Java Association of Oral and Maxillofacial Surgery Scientific Meeting 2017.
01 May 2016: Three-dimensional evaluation of postoperative facial contour: the current state of art. Hong Kong Singapore Indonesia Joint Symposium on OMS.
01 May 2016: 3D evaluation of facial swelling. 10th International ACBID Congress.
01 December 2015: Musculoskeletal and Occlusal Therapy. The Committee of General Dentistry (CGD) of College of Dental Surgeons of Hong Kong (CDSHK) 3rd Diet of MGD Training Programme.
01 October 2015: The value of Tranexamic Acid in Orthognathic Surgery. 22nd International Conference on Oral and Maxillofacial Surgery .
01 September 2015: Reconstructive Surgery. Indonesian Association of Oral and Maxillofacial Surgeons Scientific Meeting.
01 June 2013: The Foundation of Beauty: Maxillofacial Aesthetics. The 4th Hong Kong International Burns & Wound Healing Symposium.

Community Services
01 January 2016-01 January 2018: examiner. Specialty Board in Oral and Maxillofacial Surgery, The College of Dental Surgeons of Hong Kong
01 October 2015-01 October 2018: examiner. Specialty Board in Oral and Maxillofacial Surgery, The College of Dental Surgeons of Hong Kong
01 January 2015-01 January 2020: chief examiner. Oral and Maxillofacial Surgery, License Examination of The Dental Council of Hong Kong

HKU Committee Appointments
01 August 2011-31 July 2015: Faculty of Dentistry, Board of the. The teachers who are members of the Faculty and who are full-time employees of the University