الفهرس 
Low level laser therapy versus therabite exercises on pain and range of motion post temporomandibular joint arthrocentesis
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Abstract
Purpose: to determine the therapeutic effect of low-level laser therapy (LLLT) versus Therabite exercises on temporomandibular joint (TMJ) pain and range of motion (ROM) after arthrocentesis. Methods: sixty patients of both sexes with ages 25 to 55 years suffering from TMJ pain and limited mouth ROM following arthrocentesis participated in the study. Patients were randomly assigned into three groups equal in number; each group was consisted of 20 patients. The first study group (A) received LLLT in addition to the medical care and conventional exercises.The second group (B) received the Therbite exercises in addition to the medical care and conventional exercises. group (C) received the conventional exercises in addition to the medical care.The digital Vernier calliper gauge to measure maximum mouth-opening (MMO) ability of the patient and visual analogue scale (VAS) for the assessment of pain intensity were used. Therabite scale to assess mouth lateral movement was also used. Measurements were conducted before starting the treatment as a first record and at the end of the fourth week of treatment as a second final record. Results: Results showed that both the LLLT and Therabite exercises were effective and beneficial in decreasing the TMJ pain and increasing mouth ROM after arthrocentesis. The percent of decrease of VAS of group A, B and C was 63.7, 45.58 and 14.77% respectively. The percent of increase of MMO and LMM of group A was 84.24 and 74.63% respectively and that of group B was 46.93 and 51.2% respectively while that of group C was 13.2 and 31.5% respectively. The P values of the three groups for pain intensity, MMO and lateral mouth movement were 0.0001