Maxillofac Plast Reconstr Surg.
2019 ;41(1):41. 10.1186/s40902-019-0225-1.
Total joint reconstruction using computer-assisted surgery with stock prostheses for a patient with bilateral TMJ ankylosis
- Affiliations
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- 1Department of Oral and Maxillofacial Surgery, Seoul National University, Dental Hospital, Seoul, South Korea.
- 2Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Republic of South Korea.
- 3Mir Dental Hospital, Daegu, Republic of South Korea.
- 4FACEGIDE, Division of Digital Business, Megagen Implant, Daegu, Republic of South Korea.
- 5Department of Oral and Maxillofacial Surgery, School of Dentistry, Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, Republic of South Korea. jinychoi@snu.ac.kr
- KMID: 2468988
- DOI: http://doi.org/10.1186/s40902-019-0225-1
Abstract
- BACKGROUND
S: The purpose of this study is to discuss the total joint reconstruction surgery for a patient with recurrent ankylosis in bilateral temporomandibular joints (TMJs) using three-dimensional (3D) virtual surgical planning, computer-aided manufacturing (CAD/CAM)-fabricated surgical guides, and stock TMJ prostheses.
CASE PRESENTATION
A 66-year-old female patient, who had a history of multiple TMJ surgeries, complained of severe difficulty in eating and trismus. The 3D virtual surgery was performed with a virtual surgery software (FACEGIDE, MegaGen implant, Daegu, South Korea). After confirmation of the location of the upper margin for resection of the root of the zygoma and the lower margin for resection of the ankylosed condyle, and the position of the fossa and condyle components of stock TMJ prosthesis (Biomet, Jacksonville, FL, USA), the surgical guides were fabricated with CAD/CAM technology. Under general anesthesia, osteotomy and placement of the stock TMJ prosthesis (Biomet) were carried out according to the surgical planning. At 2 months after the operation, the patient was able to open her mouth up to 30 mm without complication.
CONCLUSION
For a patient who has recurrent ankylosis in bilateral TMJs, total joint reconstruction surgery using 3D virtual surgical planning, CAD/CAM-fabricated surgical guides, and stock TMJ prostheses may be an effective surgical treatment option.
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