Trauma as a most frequent cause of TMJ ankylosis

ABSTRACT

The purpose of this study conducted at Khyber College of Dentistry hospital from January 2008 to December 2009 was to find out the most frequent cause of TMJ ankylosis. The data of 87 patients with TMJ ankylosis due to trauma were included. Recurrent TMJ ankylosis and ankylosis due to infection, MMF and degenerative joint diseases were excluded from the study. Out of eighty seven patients 64% were male. The patients were in the age group of 6-10 years. Fall [82.8%] was the most common cause of TMJ ankylosis. Unilateral involvement was 74.4%. It was concluded that trauma [fall] was the major cause of tempomandibular joint ankylosis in this sample. Disc interpositional arthroplasty showed good results when treating TMJ ankylosis due to fall