background: Temporomandibular joint (TMJ) problems frequently characterized via pain and impairment of joint function and clicking sounds. TMJ internal derangement (ID) is the main widespread kind of temporomandibular disorders (TMDs), as 41.1% of suffers from TMD. Almost twenty-five percent of the population has an ID. TMJ ID's treatment regimens can be categorized into two subgroups: conservative and surgical. Early degrees of ID may be treated with medical or minimally invasive techniques according to Wilkes classification; however, the more advanced degrees (IV or V) may need open joint surgery.

Aim of the work: assess the effectiveness of anterior temporal eminectomy in management of the manifestation of the ID of the TMJ disorder.

Method: From Nov 2019 to Nov 2020. includes 10 patients with ID of the TMJ, presented to Plastic Surgery outpatient clinic, Damietta Al-Azhar University Hospital.

Results: We include 10 patients 3 males, 7 females with a mean age of 32.70 ± 8.69 years. pain was presented in 5 patients, improved in 4 patients postoperatively. Clicking was present pre-operatively in 7 cases,which resolved in 5 patients after surgery.

Conclusion: Anterior eminectomy, is a technique recommended for the management of ID. It enables the non-reducible disk to be a reducible disk, prevents pain inside of the TMJ, and promotes the flexible movement of TMJ. It's a safe, successful surgical technique that playing a role in the treatment as a 2nd-line surgical option in the treatment of ID of TMJ after other conservative medical options have fail