지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 279 - 285 (7page)
이용수
초록· 키워드
오류제보하기
Objective: This study evaluated the efficiency of anchorage provided by temporary anchorage devices (TADs) in maxillary bicuspid extraction cases during retraction of the anterior teeth using a fixed appliance. Methods: Patients aged 12 to 50 years with malocclusion for which bilateral first or second maxillary bicuspid extractions were indicated were included in the study and randomly allocated to the TAD or control groups. Retraction of the anterior teeth was achieved using skeletal anchorage in the TAD group and conventional dental anchorage in the control group. A computed tomography (CT) scan was performed after alignment of teeth, and a second CT scan was performed at the end of extraction space closure in both groups. A three-dimensional superimposition was performed to visualize and quantify the maxillary first molar movement during the retraction phase, which was the primary outcome, and the stability of TAD movement, which served as the secondary outcome. Results: Thirty-four patients (17 in each group) underwent the final analysis. The two groups showed a significant difference in the movement of the first maxillary molars, with less significant anchorage loss in the TAD group than that in the control group. In addition, TAD movement showed only a slight mesial movement on the labial side. On the palatal side, the mesial TAD movement was greater. Conclusions: In comparison with conventional dental anchorage, TADs can be considered an efficient source of anchorage during retraction of maxillary anterior teeth. TADs remain stable when correctly placed in the bone during the anterior tooth retraction phase.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES
참고문헌 (33)
참고문헌 신청
Gainsforth BL / 1945 / A study of orthodontic anchorage possibilities in basal bone / Am J Orthod Oral Surg 31:406~417
Linkow LI / 1969 / The endosseous blade implant and its use in orthodontics / Int J Orthod 7:149~154
Wehrbein H / 1996 / The orthosystem--a new implant system for orthodontic anchorage in the palate / J Orofac Orthop 57:142~153
Melsen B / 1998 / Zygoma ligatures : an alternative form of maxillary anchorage / J Clin Orthod 32:154~158
Park HS / 1999 / The skeletal cortical anchorage using titanium microscrew implants / Korean J Orthod 29:699~706
Linkow LI / 1969 / The endosseous blade implant and its use in orthodontics / Int J Orthod 7:149~154
Wehrbein H / 1996 / The orthosystem--a new implant system for orthodontic anchorage in the palate / J Orofac Orthop 57:142~153
Melsen B / 1998 / Zygoma ligatures : an alternative form of maxillary anchorage / J Clin Orthod 32:154~158
Park HS / 1999 / The skeletal cortical anchorage using titanium microscrew implants / Korean J Orthod 29:699~706
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UCI(KEPA) : I410-ECN-0101-2020-515-000537704