Simultaneous treatment of temporomandibular joint ankylosis with severe mandibular deficiency by standard TMJ prosthesis

Temporomandibular joint (TMJ) ankylosis is a refractory disease that is difficult to predictably treat. This study evaluated the prognosis of using standard alloplastic TMJ prostheses for the treatment of TMJ ankylosis in Chinese patients with severe mandibular deficiency. Patients treated from 2013...

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Bibliographic Details
Published in:Scientific reports 2017-03, Vol.7 (1), p.45271-45271, Article 45271
Main Authors: Hu, YiHui, Zhang, LuZhu, He, DongMei, Yang, Chi, Chen, MinJie, Zhang, ShanYong, Li, Hui, Ellis III, Edward
Format: Article
Language:English
Subjects:
692/308/409
692/699/578
Adult
Ankylosis
Ankylosis - complications
Ankylosis - physiopathology
Ankylosis - surgery
China
Computer-Aided Design
Female
Humanities and Social Sciences
Humans
Jaw
Joint Prosthesis
Male
Mandible
Mandible - abnormalities
Mandible - physiopathology
Mandible - surgery
Middle Aged
multidisciplinary
Osteotomy
Prostheses
Prosthesis Design
Prosthetics
Range of Motion, Articular
Science
Temporomandibular joint
Temporomandibular Joint - physiopathology
Temporomandibular Joint - surgery
Temporomandibular Joint Disorders - complications
Temporomandibular Joint Disorders - physiopathology
Temporomandibular Joint Disorders - surgery
Treatment Outcome
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Summary:Temporomandibular joint (TMJ) ankylosis is a refractory disease that is difficult to predictably treat. This study evaluated the prognosis of using standard alloplastic TMJ prostheses for the treatment of TMJ ankylosis in Chinese patients with severe mandibular deficiency. Patients treated from 2013 to 2015 were reviewed. The computer-aided design and manufacture (CAD/CAM) technique was used to guide bony mass removal and locate the TMJ prosthesis (Biomet, USA). Eleven patients were included in this study. All prostheses were successfully installed and stabilized intraoperatively. In 4 patients with severe mandibular deficiency, their mandibular ramus was elongated by the TMJ prosthesis and 2 patients were combined with Le Fort I osteotomy guided by digital templates. Their mean chin advancement was 10.19 mm. Their SNB and ramus heights were also significantly improved after operation (P 
ISSN:2045-2322
2045-2322
DOI:10.1038/srep45271