%0 Case Reports
%T A single-stage computer-guided gap arthroplasty with simultaneous patient-specific total joint replacement with a novel flat fossa design: A case report.
%A Shawky M
%A Elbehairy MS
%A Atef M
%A Amr K
%J Int J Surg Case Rep
%V 79
%N 0
%D Feb 2021
%M 33529825
暂无%R 10.1016/j.ijscr.2021.01.078
%X <B>UNASSIGNED: </B>The computer-guided approach for the patient-specific TMJ replacement is considered an ultimate reliable option in advanced cases. However, dislocation of the condylar head could happen with the concave fossa design. A flat design was described and used in this case.<BR><B>METHODS: </B>A 15 years old male patient with mandibular asymmetry and class IV recurrent ankylosis of the right TMJ received a patient-specific artificial joint with computer-guided gap arthroplasty and orthognathic corrective mandibular surgery for the left side. The fossa component was made entirely flat, and the patient was followed up over the next year.<BR><B>UNASSIGNED: </B>Customized TMJ prosthetic solutions are reliable in advanced cases, especially when facial corrections are indicated; however, the commonly used concave design showed reported dislocations requiring some design modifications as proposed in the presented case.<BR><B>CONCLUSIONS: </B>The flat fossa design of the artificial TMJ secures the same results as the anatomical fossa design without the incidence of dislocation.