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Mini-implants for retraction, intrusion and protraction in a Class II division 1 patient

Department of Orthodontics, KLES Institute of Dental Sciences, Belgaum, India

Address for correspondence: Madhur Upadhyay, Department of Orthodontics and Dentofacial Orthopaedics, KLES Institute of Dental Sciences, Nehru Nagar, Belgaum 590010, Karanataka, India. Email: madhurup{at}yahoo.com

	Abstract

This case report demonstrates the clinical utility and versatility of mini-implants in carrying out different types of tooth movement in a 14-year-old boy with a ‘severe’ Class II division 1 malocclusion. Mini-implants were placed for ‘en masse’ retraction and intrusion of maxillary anterior teeth and for lower molar protraction. More than 11 mm of maxillary incisor retraction was achieved together with 3 mm of intrusion. There was significant reduction in the dentoalveolar protrusion and retraction of the upper lip, which resulted in decreased mentalis strain and improved chin projection. Cephalometric superimposition and panoramic radiographs showed no anchorage loss and good occlusion at the end of treatment.

Key words: Mini-implants, en masse, intrusion, retraction, protraction