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  • Title: Changes of disc status in adult patients with condylar head fracture who did or did not undergo disc anchoring operation.
    Author: Ren R, Dai J, Si J, Cai B, Shi J.
    Journal: J Craniomaxillofac Surg; 2018 Dec; 46(12):2248-2255. PubMed ID: 30389311.
    Abstract:
    PURPOSE: Views on treatment procedures for condylar head fractures (CHFs) are far from reaching a consensus. The aim of this study was to evaluate the changes in disc status for anteromedial disc displacement with anchorage (AMDDwA) and without anchorage (AMDDwoA - just suturing to the adjacent TMJ soft tissue) in adult CHFs, to get a better understanding of this very complex process and to show that rigid disc anchorage is an essential technique for the treatment of CHF during the open reduction and internal fixation (ORIF). PATIENTS AND METHODS: 144 temporomandibular joints (TMJ) in 95 patients were included in this retrospective study, and were divided into an AMDDwA group (50 TMJs in 38 patients) and an AMDDwoA group (94 TMJs in 57 patients) based on the different surgical procedures. The joints were quantitatively and qualitatively assessed for disc length and disc morphology preoperatively and at follow-up visits. Other variables, such as disc position, joint effusion, retrodiscal tear and lateral capsular tear, were also evaluated. Paired t-tests, Wilcoxon signed rank tests, independent t-tests and χ2 tests were used to assess intragroup and intergroup differences. RESULTS: The results showed that discs became shorter, moved further forward and distorted more seriously in the AMDDwoA group. In contrast, discs became longer, maintained a normal disc-condyle relationship in the AMDDwA group. Joint effusion, retrodiscal tear, and lateral capsular tear healed well in both groups. CONCLUSION: Taking these findings together suggests that the rigid disc anchorage is an alternative technique for the treatment of CHF.
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