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.
이용수
초록· 키워드
오류제보하기
Objective: The purpose of this study was to observe stress distribution and displacement patterns of the entire maxillary arch with regard to distalizing force vectors applied from interdental miniscrews. Methods: A standard three-dimensional finite element model was constructed to simulate the maxillary teeth, periodontal ligament, and alveolar process. The displacement of each tooth was calculated on x, y, and z axes, and the von Mises stress distribution was visualized using color-coded scales. Results: A single distalizing force at the archwire level induced lingual inclination of the anterior segment, and slight intrusive distal tipping of the posterior segment. In contrast, force at the high level of the retraction hook resulted in lingual root movement of the anterior segment, and extrusive distal translation of the posterior segment. As the force application point was located posteriorly along the archwire, the likelihood of extrusive lingual inclination of the anterior segment increased, and the vertical component of the force led to intrusion and buccal tipping of the posterior segment. Rotation of the occlusal plane was dependent on the relationship between the line of force and the possible center of resistance of the entire arch. Conclusions: Displacement of the entire arch may be dictated by a direct relationship between the center of resistance of the whole arch and the line of action generated between the miniscrews and force application points at the archwire, which makes the total arch movement highly predictable.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (30)
참고문헌 신청
1. [학술지(정기간행물)] - Lee KJ / 2007 / Uprighting mandibular second molars with direct miniscrew anchorage / J Clin Orthod 41 : 627 ~ 635
2. [학술지(정기간행물)] - Park YC / 2003 / Intrusion of posterior teeth using mini-screw implants / Am J Orthod Dentofacial Orthop 123 : 690 ~ 694
3. [학술지(정기간행물)] - Yamada K / 2009 / Distal movement of maxillary molars using miniscrew anchorage in the buccal interradicular region / Angle Orthod 79 : 78 ~ 84
4. [학술지(정기간행물)] - Byloff FK / 1997 / Distal molar movement using the pendulum appliance. Part 1: Clinical and radiological evaluation / Angle Orthod 67 : 249 ~ 260
5. [학술지(정기간행물)] - Tominaga JY / 2009 / Optimal loading conditions for controlled movement of anterior teeth in sliding mechanics / Angle Orthod 79 : 1102 ~ 1107
2. [학술지(정기간행물)] - Park YC / 2003 / Intrusion of posterior teeth using mini-screw implants / Am J Orthod Dentofacial Orthop 123 : 690 ~ 694
3. [학술지(정기간행물)] - Yamada K / 2009 / Distal movement of maxillary molars using miniscrew anchorage in the buccal interradicular region / Angle Orthod 79 : 78 ~ 84
4. [학술지(정기간행물)] - Byloff FK / 1997 / Distal molar movement using the pendulum appliance. Part 1: Clinical and radiological evaluation / Angle Orthod 67 : 249 ~ 260
5. [학술지(정기간행물)] - Tominaga JY / 2009 / Optimal loading conditions for controlled movement of anterior teeth in sliding mechanics / Angle Orthod 79 : 1102 ~ 1107
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UCI(KEPA) : I410-ECN-0101-2016-515-001060983