One-year clinical course following visually guided irrigation for chronic closed lock of the temporomandibular joint

The efficacy of VGIR is clinically acceptable as an initial surgical treatment for TMJ CCL. A 6-month follow-up period ought to be sufficient for outcome assessment of VGIR. A pronounced reduction of preoperative P-ROM should be considered as a risk factor for delay of the postoperative improvement, and OA changes may sometimes affect the clinical outcome of VGIR.