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[A prospective study evaluating effectiveness of TMJ arthroscopy for particular stages of internal derangement]
1Department of Oral and maxillofacial Surgery, School of Stomatology,Shanghai Second Medical University. Shanghai 200011,China.
Abstract:
The purpose of this prospective study is to evaluate effect on particular stages of internal derangement by TMJ arthroscopy.According to Wilkes-Bronstein classification,the distributions between 81 joints and particular stages of ID were:25 joints in II stage,18 in III,24 in IV,and 14 in V.The total 81 joints were undergone by arthroscopic surgery,the total success rates of different stages of ID were:24/25 joints in II stage,16/18 in III,13/24 in IV,and 7/14 in V particularly.The success rates were no statically significance (P>0.05) between II stage and III stage or between IV and V or V stages.The conclusion is that these cases in II or III stages of ID choose arthroscopic surgery than those cases in IV or V stages.
