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브라켓 제거에 따른 입술과 주위 연조직의 변화

Other Titles
 Changes in lip and perioral soft tissue after bracket removal 
Authors
 이정섭  ;  최광철  ;  김경호  ;  박영철 
Citation
 KOREAN JOURNAL OF ORTHODONTICS, Vol.37(2) : 125-136, 2007 
Journal Title
KOREAN JOURNAL OF ORTHODONTICS(대한치과교정학회지)
ISSN
 2234-7518 
Issue Date
2007
Abstract
Objective: Soft tissue changes due to orthodontic treatment has large individual variation. Therefore continuous evaluation during treatment is required. Patients with fixed orthodontic appliances often wonder if their lip positions will change after the removal of brackets, but only a few studies exist on this topic. The objective of this study was to evaluate the changes of the lips and perioral soft tissue after bracket removal. Methods: The sample used in this study was 19 males and 33 females. Cephalometric X-rays were taken at 3 stages - T1 (before debonding), T2 (just after debonding), T3 (1.5 months after debonding). Results: The lower lip was retruded immediately after debonding (T2-T1), and 1.5 months after debonding (T3-T2). The mean amounts of retrusion from the vertical reference plane (sG perpendicular line) were about 0.38 mm for the upper lip and 0.88 mm for the lower lip. Immediately after debonding, lip retrusion of females was greater than that of males. During the post-debonding period, lower lip of males was retruded more than that of females. Conclusion: Lips are retruded after bracket removal, and there is no gender difference 1.5 months after debonding.
Files in This Item:
T200701067.pdf Download
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Ho(김경호) ORCID logo https://orcid.org/0000-0002-8154-2041
Lee, Jeong Sub(이정섭)
Choy, Kwang Chul(최광철)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/97006
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