Inclusion Criteria:  Age > 18 years old; Unilateral TMJ pain >7 (0-10 VAS) and/or MMO < 30mm; MRI presenting unilateral disc perforation or disc fragmentation Clinical and imaging examination with criteria for unilateral TMJ discectomy  Exclusion Criteria:  Previous TMJ surgical intervention; Concomitant contralateral surgery; Age < 18 years old