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目的介绍CT双对比领下颌关节造影技术，并评价其在颞下颌关节功能紊乱综合征中的诊断价值。方法对14例常规关节造影诊断困难的病例，进行CT双对比颞下颌关节造影检查。结果14例患者经CT双对比造影检查为正常考1例，可复性盘前移位者1例，不可复性盘前移位老2例，关节盘穿孔2例，关节盘粘连8例。结论CT双对比颞下颌关节造影术是常规关节造影的重要补充，对关节盘粘连有特殊的诊断价值。
OBJECTIVE: To introduce the technique of mandibular arthrodesis of double-contrast CT and evaluate its diagnostic value in the diagnosis of temporomandibular joint dysfunction syndrome. Methods Totally 14 cases with difficult diagnosis of common arthrography were examined by CT double contrast temporomandibular arthroplasty. Results The results of 14 cases were normal double contrast angiography (1 case), retrospective disc displacement in 1 case, irreducible disc advancement in 2 cases, disc perforation in 2 cases and disc adhesion in 8 cases. Conclusion CT double contrast temporomandibular joint arthroplasty is an important supplement to conventional arthrography and has special diagnostic value on the adhesion of articular disc.