PT - JOURNAL ARTICLE AU - A J Gibbons AU - A J Byrne AU - S J Key TI - Trismus due to bilateral mandibular coronoid hyperplasia. AID - 10.1136/jramc-147-03-11 DP - 2001 Oct 01 TA - Journal of the Royal Army Medical Corps PG - 311--313 VI - 147 IP - 3 4099 - http://militaryhealth.bmj.com/content/147/3/311.short 4100 - http://militaryhealth.bmj.com/content/147/3/311.full SO - J R Army Med Corps2001 Oct 01; 147 AB - Bilateral mandibular coronoid hyperplasia is a rare cause of restricted mouth opening. Diagnosis of the condition prior to general anaesthetic is essential, as oral intubation may be impossible. The reported case illustrates the role of computed tomography in assessment of the disorder and effective treatment by coronoidectomy.