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Quintessence Publishing: Journals: ORTHODONTICS
ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Publication:
Winter 2010
Volume 11 , Issue 4

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Limitations In The Surgical Treatment Of Skeletal Class II Deep Bite Malocclusions

Laeticia Nassif /Patrick Anhoury/Naji Abou Chebel


PMID: 21490980

The present article illustrates a treatment option for managing the skeletal Class II malocclusion complicated by a deep bite and short face in an adult and emphasizes the limitations of such an approach and its potential complications. The patient had an inadequate tooth display upon smiling and a deep lower curve of Spee. Treatment consisted of a double jaw surgery with a maxillary three-piece LeFort to expand, downgraft, and advance the maxilla and a bilateral sagittal split osteotomy to advance the mandible. Treatment was staged so that the leveling of the mandibular arch was completed postsurgically by extrusion of the mandibular buccal segments. During surgery, the mandible was rotated clockwise at the osteotomy site to bring the chin down. This treatment approach resulted in a dramatic increase in the lower facial height, as well as an improvement in skeletal and occlusal relationships, with a much improved tooth display upon smiling, despite the few complications that occurred. World J Orthod 2010;11:e114e124.

Key words: skeletal Class II, deep bite, short face, deep lower curve of Spee

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