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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 222 - 234 (13page)
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초록· 키워드
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Objective: To investigate the three-dimensional lip vermilion changes after extraction and non-extraction orthodontic treatment in female adult patients and explore the correlation between lip vermilion changes and incisor changes. Methods: Forty-seven young female adult patients were enrolled in this study (skeletal Class III patients were excluded), including 34 lip-protruding patients treated by extraction of four first premolars (18 patients requiring mini-implants for maximum anchorage control and 16 patients without mini-implants) and 13 patients requiring non-extraction treatment. Nine angles, seven distances, and the surface area of the lip vermilion were measured by using pre- and posttreatment three-dimensional facial scans. Linear and angular measurements of incisors were performed on lateral cephalograms. Results: There were no significant changes in the vermilion measurements in the non-extraction group. The vermilion angle, vermilion height, central bow angle, height/width ratio, and vermilion surface area decreased significantly after the orthodontic treatment in the extraction groups, but the upper/lower vermilion proportion remained unchanged. Significant correlations were found between the changes in incisor position and those in vermilion angles, vermilion height, and surface area. Conclusions: Extraction of the four first premolars probably produced an aesthetic improvement in lip vermilion morphology. However, the upper/ lower vermilion proportion remained unchanged. The variations in the vermilion were closely related to incisor changes, especially the upper incisor inclination changes.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (23)
참고문헌 신청
Ferrario VF / 2003 / Growth and aging of facial soft tissues : a computerized three-dimensional mesh diagram analysis / Clin Anat 16:420~433
Yasutomi H / 2006 / Effects of retraction of anterior teeth on horizontal and vertical lip positions in Japanese adults with the bimaxillary dentoalveolar protrusion / Orthod Waves 65:141~147
Drobocky OB / 1989 / Changes in facial profile during orthodontic treatment with extraction of four first premolars / Am J Orthod Dentofacial Orthop 95:220~230
Ramos AL / 2005 / Upper lip changes correlated to maxillary incisor retraction--a metallic implant study / Angle Orthod 75:499~505
McNamara L / 2008 / Hard-and soft-tissue contributions to the esthetics of the posed smile in growing patients seeking orthodontic treatment / Am J Orthod Dentofacial Orthop 133:491~499
Yasutomi H / 2006 / Effects of retraction of anterior teeth on horizontal and vertical lip positions in Japanese adults with the bimaxillary dentoalveolar protrusion / Orthod Waves 65:141~147
Drobocky OB / 1989 / Changes in facial profile during orthodontic treatment with extraction of four first premolars / Am J Orthod Dentofacial Orthop 95:220~230
Ramos AL / 2005 / Upper lip changes correlated to maxillary incisor retraction--a metallic implant study / Angle Orthod 75:499~505
McNamara L / 2008 / Hard-and soft-tissue contributions to the esthetics of the posed smile in growing patients seeking orthodontic treatment / Am J Orthod Dentofacial Orthop 133:491~499
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UCI(KEPA) : I410-ECN-0101-2020-515-000537764