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
- 2016.7
- 수록면
- 242 - 252 (11page)
이용수
초록· 키워드
오류제보하기
Objective: Orthodontic mini-implants (OMI) generate various horizontal and vertical force vectors and moments according to their insertion positions. This study aimed to help select ideal biomechanics during maxillary incisor retraction by varying the length in the anterior retraction hook (ARH) and OMI position. Methods: Two extraction models were constructed to analyze the threedimentional finite element: a first premolar extraction model (Model 1, M1) and a residual 1-mm space post-extraction model (Model 2, M2). The OMI position was set at a height of 8 mm from the arch wire between the second maxillary premolar and the first molar (low OMI traction) or at a 12-mm height in the mesial second maxillary premolar (high OMI traction). Retraction force vectors of 200 g from the ARH (−1, +1, +3, and +6 mm) at low or high OMI traction were resolved into X-, Y-, and Z-axis components. Results: In M1 (low and high OMI traction) and M2 (low OMI traction), the maxillary incisor tip was extruded, but the apex was intruded, and the occlusal plane was rotated clockwise. Significant intrusion and counter-clockwise rotation in the occlusal plane were observed under high OMI traction and −1 mm ARH in M2. Conclusions: This study observed orthodontic tooth movement according to the OMI position and ARH height, and M2 under high OMI traction with short ARH showed retraction with maxillary incisor intrusion.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (28)
참고문헌 신청
[학술지(정기간행물)] - Cha BK / 2007 / Analysis of tooth movement in extraction cases using three-dimensional reverse engineering technology / Eur J Orthod 29 : 325 ~ 331
[학술지(정기간행물)] - Cho MY / 2010 / Three-dimensional analysis of the tooth movement and arch dimension changes in Class I malocclusions treated with first premolar extractions: a guideline for virtual treatment planning / Am J Orthod Dentofacial Orthop 138 : 747 ~ 757
[학술지(정기간행물)] - Lai EH / 2008 / Three dimensional dental model analysis of treatment outcomes for protrusive maxillary dentition:comparison of headgear, miniscrew, and miniplate skeletal anchorage / Am J Orthod Dentofacial Orthop 134 : 636 ~ 645
[학술지(정기간행물)] - Upadhyay M / 2008 / Treatment effects of mini-implants for en-masse retraction of anterior teeth in bialveolar dental protrusion patients: a randomized controlled trial / Am J Orthod Dentofacial Orthop 134 : 18 ~ 29.e1
[학술지(정기간행물)] - Upadhyay M / 2008 / Mini-implant anchorage for en-masse retraction of maxillary anterior teeth: a clinical cephalometric study / Am J Orthod Dentofacial Orthop 134 : 803 ~ 810
[학술지(정기간행물)] - Cho MY / 2010 / Three-dimensional analysis of the tooth movement and arch dimension changes in Class I malocclusions treated with first premolar extractions: a guideline for virtual treatment planning / Am J Orthod Dentofacial Orthop 138 : 747 ~ 757
[학술지(정기간행물)] - Lai EH / 2008 / Three dimensional dental model analysis of treatment outcomes for protrusive maxillary dentition:comparison of headgear, miniscrew, and miniplate skeletal anchorage / Am J Orthod Dentofacial Orthop 134 : 636 ~ 645
[학술지(정기간행물)] - Upadhyay M / 2008 / Treatment effects of mini-implants for en-masse retraction of anterior teeth in bialveolar dental protrusion patients: a randomized controlled trial / Am J Orthod Dentofacial Orthop 134 : 18 ~ 29.e1
[학술지(정기간행물)] - Upadhyay M / 2008 / Mini-implant anchorage for en-masse retraction of maxillary anterior teeth: a clinical cephalometric study / Am J Orthod Dentofacial Orthop 134 : 803 ~ 810
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UCI(KEPA) : I410-ECN-0101-2017-515-001006338