الفهرس 
A comparative study between two different surgical techniques in the management of internal derangement of temporomandibular joint
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Abstract
Internal derangement is defined as malrelationship of the meniscus to the condylar head and articular eminence. The first step in the effective treatment of TMJ dysfunction is accurate diagnosis. The investigations of ”ID” must include history clinical examination and MRI as an imaging modality.This study was conducted to evaluate the surgical outcome of patients suffering from ”TMJ” ”ID” following Hi-condylar shave or emineplasty. Twenty patients with twenty ”ID ”TMJ” participated in this study. Visual Analogue Scales for pain and tenderness were used. Jaw function, joint noise, jaw disability and diet chewing were assessed for all patients to obtain subjective measures for evaluating the progress of treatment later on. While MIO, and lateral excursions were the objective measures. MRI were performed and revealed pre-operative anteriomedial displacement of the meniscus in the joint of complaint joint effusion and abnormal disc movement.All patients were treated with initial management strategies, each according to the patient condition. These strategies included education about the nature and general course of the disease, pharmacotherapy, physiotherapy, splint therapy, occlusal adjustment therapy, and arthrocentesis in patients treated with surgery latter in the current study.Patients irresponsive to conservative management strategies underwent further MRI scaning, which were analyzed in regard to disc position, morphology, and movement, joint effusion, depth of glenoid fossa, and morphology of TMJ, and related muscles components. The depth of the fossa was estimated by the angle between a line drawn between the summit of the articular eminence and post glenoid tubercle and the slope of the fossa