Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery.

Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery. Research Abstract Details 

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Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery. Abstract Text:

Koichiro Ueki,Kohei Marukawa,Yukari Hashiba,Kiyomasa Nakagawa,Kagan Degerliyurt,Etsuhide Yamamoto,

PURPOSE: The purpose of this study was to evaluate the differences in the recovery of maximum mandibular opening (MMO), and the relationship between MMO and the maxillomandibular fixation (MMF) period after sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO), with and without Le Fort I osteotomy. PATIENTS AND METHODS: Sixty-eight patients with diagnosed mandibular prognathism with or without asymmetry were divided into 4 groups (SSRO, IVRO, SSRO with Le Fort I osteotomy, and IVRO with Le Fort I osteotomy). MMO and the MMF period were measured preoperatively and at 1, 3, 6, 12, and 18 months after surgery. The differences among surgical procedures and the relationship between MMO and the MMF period were examined statistically. RESULTS: In relation to time-dependent changes in MMO, there were no significant differences among the groups. There were significant positive correlations between MMO and the MMF period from 1 month to 6 months after surgery. However, there were no significant correlations at 12 and 18 months after surgery. CONCLUSION: This study suggests that there were no significant differences between single-jaw surgery and double-jaw surgery in terms of postoperative time-dependent changes in the recovery of MMO. However, the MMF period was associated with the recovery of MMO.

Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery. Publishing Authors By Initials

K Ueki,K Marukawa,Y Hashiba,K Nakagawa,K Degerliyurt,E Yamamoto,

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Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of oral and maxillofacial surgery : offici

VOLUME: 66

Page Numbers: 486-91

Journal Abbreviation: J. Oral Maxillofac. Surg.

ISSN: 1531-5053

DAY: 18

MONTH: Mar

YEAR: 2008

Assessment of the relationship between the recovery of maximum mandibular opening and the maxillomandibular fixation period after orthognathic surgery. Information

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LANGUAGE: eng

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AFFILIATION: Department of Oral and Maxillofacial Surgery, Graduate School of Medicine, Kanazawa University, Kanazawa, Japan. kueki@med.kanazawa-u.ac.jp

Country: United States

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MEDLINETA: J Oral Maxillofac Surg

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