Abstract

Objective To investigate mandible and temporomandibular joint (TMJ) in adults with and without mandible deviation using SPECT/CT fusion imaging. Methods SPECT/CT fusion imaging over bilateral mandible and TMJ was performed in 20 adult patients with mandibular deviation and 15 adult volunteers without mandibular deviation. Results Compared with the control group, the radioactive intensity of contralateral side was higher than that of the deviated side in patients with mandibular deviation. The biggest difference was found in the condyle process (P＜0. 01) and the mandibular angle (P＜0. 01). Conclusions Based on accurate anatomical localization, SPECT/CT fusion imaging was very sensitive in detecting functional alteration in TMJ. Key words: Mandibular deviation; Temporomandibular joint; Condyle process; SPECT/CT

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