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논문 기본 정보

자료유형
학술저널
저자정보
Seok-gon Kim (The Catholic University of Korea) Yoon-Ah Kook (The Catholic University of Korea) Hee Jin Lim (The Catholic University of Korea) Patrick Park (Santa Monica College) Won Lee (The Catholic University of Korea) Jae Hyun Park (A.T. Still University) Mohamed Bayome (King Faisal University) Yoonji Kim (The Catholic University of Korea)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제51권 제5호
발행연도
2021.9
수록면
304 - 312 (9page)

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초록· 키워드

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Objective: This study aimed to compare the amount of tooth movement after multiple horizontal (MH) and single vertical (SV) micro-osteoperforations (MOPs), and evaluate the histological changes after orthodontic force application in rabbits. Methods: The mandibles of 24 white rabbits were subjected to two experimental interventions: MH and SV MOPs. Defect volume of the MOPs between the two groups was kept similar. A force of 100 cN was applied via a coil spring between the incisor teeth and the first premolars. The amount of tooth movement was measured. Differences in the amount of tooth movement and bone variables at three time points and between the two groups were evaluated using repeated-measures analysis of variance. Results: The first premolar showed a mesial movement of 1.47 mm in the MH group and 1.84 mm in the SV group, which was significantly different at Week 3 (p < 0.05). No significant difference was observed in bone volume and bone fraction between the groups. Tartrate-resistant acidic phosphatase-positive cell count was also significantly greater at Week 3 than at Week 1 in both the SV and MH groups. Conclusions: The amount of tooth movement showed significant differences between Weeks 1 and 3 in the SV and MH MOP groups, but showed no differences between the two groups. Therefore, SV MOP could be considered an effective tool for enhancing tooth movement, especially for molar distalization, uprighting, and protraction to an edentulous area.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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