Unilateral coronoid hyperplasia treated by coronoidectomy using a transzygomatic approach.

Coronoid hyperplasia is a rare disorder, which effectively is a mechanical problem associated with limited mouth opening. In some cases, enlarged coronoid pushes the zygoma forward causing facial asymmetry. This article looks at the case of a 15-year-old boy reporting in OPD of Government College of Dentistry, Indore, with chief complaint of facial asymmetry. Transzygomatic approach was taken to get proper access to the enlarged coronoid. Coronoidectomy was performed which significantly reduced facial asymmetry. Postoperative healing was uneventful and recurrence was not reported.