Abstract
This study investigated the duration of arthrocentesis in treatment of patients with different diagnoses of temporomandibular disorders.This retrospective study evaluated the duration of arthrocentesis used for 65 patients who were diagnosed with osteoarthritis (OA), disc displacement with reduction (DDWR), or disc displacement without reduction (DDWoR), in accordance with the Research Diagnostic Criteria for Temporomandibular Disorders protocol.Mean operation times were 423.79 (± 66.77) seconds in OA patients, 459.92 (± 56.67) seconds in DDWR patients, and 609.00 (± 106.88) seconds in DDWoR patients; these significantly differed among groups (P < 0.001). In addition, post hoc analyses revealed statistically significant differences in mean operation times between DDWoR and OA (P < 0.05) and DDWoR and DDWR (P < 0.05).The appropriate duration of arthrocentesis may vary among joint disorders, and the duration of arthrocentesis in DDWoR treatment is longer than that in DDWR and OA treatments. In addition there was no relationship between the age or gender and operation time of the patients. Changes in anatomic structures due to temporomandibular diseases are presumed to influence the duration of arthrocentesis treatment.
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