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J Oral Maxillofac Surg. 2013 Sep;71(9):1602.e1-1602.e10. doi: 10.1016/j.joms.2013.02.021. Epub 2013 Apr 21.

Observation of osseous healing after intraoral vertical ramus osteotomy: focus on computed tomography values.

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  • 1Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.

Abstract

PURPOSE:

The purpose of this study was to observe long-term osseous healing of the cleavage space between bone fragments after intraoral vertical ramus osteotomy using computed tomographic (CT) values.

PATIENTS AND METHODS:

CT examinations were performed to observe long-term osseous healing immediately after intraoral vertical ramus osteotomy and at 6 months, 1 year, and 2 years postoperatively. Bone fragments were observed on the interior and lateral sides. CT values between bone fragments were used to measure the range of each point within a 1.7- × 1.7-mm square, and the mean of the measurements was calculated.

RESULTS:

CT values between bone fragments increased significantly over time at 1 month, 6 months, 1 year, and 2 years after surgery.

CONCLUSIONS:

Osseous healing in the cleavage between bone fragments after intraoral vertical ramus osteotomy was successful according to CT values.

Copyright © 2013 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.

PMID:
23611606
[PubMed - indexed for MEDLINE]
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