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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:
Summer 2011
Volume 12 , Issue 2

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Planned To Perfection? Use Of The Model Repositioning Instrument To Plan Maxillary Movements For Orthognathic Surgery

Ansa Akram, BSC, BDS (Hons) MFDS/John Collin, BSc, MD, CHD, MRCS/Kathy Postlethwaite, BDS, MSc, MOrth, FDS/George Sweeney

Pages: 130133
PMID: 21935506

Previous studies have reported significant discrepancies between the surgical treatment objectives and final surgical results in orthognathic surgery patients. When dealing with complex asymmetrical maxillary movements in bimaxillary osteotomy patients, it can often be difficult to reposition the maxilla with a desirable degree of accuracy at the planning stage. Inaccurate placement of the maxilla can result in an unwanted repositioning of the mandible, which can lead to less than ideal functional and esthetic outcomes. The use of a model respositioning frame for orthognathic surgical planning is demonstrated. This can be utilized to position the maxilla at the model surgery stage with increased accuracy in both the vertical and horizontal plane. This frame can be used on semiadjustable articulators. Orthodontics (Chic) 2011;12:130133.

Key words: model repositioning, orthognathic, planning

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