• Neeraj S Rohida and Wasundhara Bhad.
• Department of Orthodontics, Government Dental College and Hospital, GMC Campus, Nagpur, Maharashtra, India. dr_neerajrohida@yahoo.co.in
• World J Orthod. 2010 Jan 1;11(3):236-44.

AbstractInternal derangement of the temporomandibular joint (TMJ) is characterized by an abnormal disc-condyle relationship. Of all the various treatment modalities used in the management of disc displacements, flat occlusal and anterior repositioning splints are the most commonly used. Myofunctional appliances (such as bite-jumping appliances) are also advocated to treat anterior disc displacements. The present study compares the efficacy of twin blocks with conventional flat occlusal splints in patients with anterior disc displacement with reduction using clinical examination, MRI, and EMG. The sample consisted of 20 subjects between 12 and 20 years of age, who were randomly divided into two groups of 10 patients each: Group 1 was treated with twin blocks, while group 2 was treated using maxillary flat occlusal splints. The twin block is more effective in relieving joint pain, diminishing joint dysfunction, reducing joint clicking, and eliminating muscle tenderness in patients with anterior disc displacement with reduction as compared to the occlusal splint.© 2010 BY QUINTESSENCE PUBLISHING CO, INC.

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