Abstract
Bimaxillary dentoalveolar protrusion is the condition characterized by procumbency of lips due to increased protrusion of maxillary and mandibular incisors. This condition can be due to tooth size arch length discrepancy, weak lip musculature unable to withstand strong tongue pressure. This results in severe labial tipping of incisors, which causes upper and lower lip protrusion. This case report describes the treatment of a 21-year old girl with bimaxillary protrusion and convex profile with incompetent lip seal. The treatment of choice for the patient was extraction of four first premolars and utilization of extraction space to reduce the facial convexity by retraction of anterior teeth. The anchorage requirement was maximum for complete correction of facial profile. Mini implants were used to retract the anterior teeth and improve facial aesthetic. Treatment was completed in 20 months. Patient`s facial profile improved significantly with reduced dental protrusion and lip eversion.
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