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Evaluation of post-surgical relapse in maxillary surgery using resorbable plate
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Choi, Jin-Young | - |
dc.contributor.author | Kim, Jong-Wan | - |
dc.contributor.author | Yun, Pil-Young | - |
dc.contributor.author | Yoo, Chung-Kyu | - |
dc.contributor.author | Baek, Seung-Hak | - |
dc.contributor.author | Kim, Young-Kyun | - |
dc.date.accessioned | 2013-01-21T08:32:59Z | - |
dc.date.available | 2013-01-21T08:32:59Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | Journal of Cranio-Maxillofacial Surgery; Vol.39, No.8, pp.578-582 | ko_KR |
dc.identifier.issn | 1010-5182 | - |
dc.identifier.uri | https://hdl.handle.net/10371/80894 | - |
dc.description.abstract | Background: This study was carried out to evaluate the vertical and horizontal changes after maxillary surgery using resorbable plates made of an l-lactic acid and d-lactic acid copolymer of PLA (P(L/DL)LA), and to analyze factors of skeletal pattern and surgical movement affecting the post-surgical change. Materials and methods: The subjects consisted of 20 patients who underwent bimaxillary surgery using P(L/DL)LA resorbable plate (Inion CPS, Inion Ltd., Tampere, Finland). Lateral cephalograms were taken at 1 month before (T0), 1 month after (T1) and 6 months after surgery (T2). They were divided into two groups, one showing less relapse (LR) and one more relapse (MR) using K-means clustering analysis of post-surgical relapse (T2-T1). In terms of linear and angular variables of maxillary relapse, the two groups were compared with measurements at the pre-surgical stage (T0), the surgical change obtained (T1-T0) and post-surgical relapse (T2-T1) using Mann-Whitney test. Results: Because Frankfort horizontal (FH) to anterior nasal spine (ANS) showed the largest variance in post-surgical relapse of the maxilla, it was used for clustering analysis to define the MR and LR groups. Comparison between the MR and LR groups showed that a short preoperative anterior facial height (AFH) was a significant factor in maxillary relapse. The AFH of the MR group was significantly shorter pre-surgically (p < 0.01) and was significantly increased postoperatively (p < 0.05) when compared to the LR group. In post-surgical relapse, AFH, FH to A, FH to ANS and the palatal plane angle of the MR group were significantly decreased. Conclusions: In the case of a short AFH, P(L/DL)LA resorbable plates may not provide enough vertical stability in the maxillary position due to the muscle force. Facial height might be an important factor when deciding to use P(L/DL)LA resorbable plates for maxillary surgery. ⓒ 2010 European Association for Cranio-Maxillo-Facial Surgery. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | Elsevier | ko_KR |
dc.subject | Bioresorbable plate | ko_KR |
dc.subject | Facial height | ko_KR |
dc.subject | Maxillary surgery | ko_KR |
dc.subject | Relapse | ko_KR |
dc.title | Evaluation of post-surgical relapse in maxillary surgery using resorbable plate | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 최진영 | - |
dc.contributor.AlternativeAuthor | 김종완 | - |
dc.contributor.AlternativeAuthor | 윤필영 | - |
dc.contributor.AlternativeAuthor | 유충규 | - |
dc.contributor.AlternativeAuthor | 백승학 | - |
dc.contributor.AlternativeAuthor | 김영균 | - |
dc.identifier.doi | 10.1016/j.jcms.2010.12.003 | - |
dc.citation.journaltitle | Journal of Cranio-Maxillofacial Surgery | - |
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