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Three dimensional analysis of tooth movement using different sizes of NiTi wire on NiTi scissors-bite corrector
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NiTi scissors-bite corrector의 와이어 굵기에 따른 3차원적 치아 이동 양상

논문 기본 정보

Type
Academic journal
Author
Hyun-Ju Jeon (이화여자대학교) Sun-Hyung Park (이화여자대학교) Sang-Hyuk Jung (이화여자대학교) Youn-Sic Chun (이화여자대학교)
Journal
KOREAN ASSOCIATION OF ORTHODONTISTS THE KOREAN JOURNAL of ORTHODONTICS Vol.39 No.1 KCI Accredited Journals SCIE
Published
2009.2
Pages
43 - 53 (11page)

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Three dimensional analysis of tooth movement using different sizes of NiTi wire on NiTi scissors-bite corrector
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Objective: The purpose of this study was to compare the difference in three dimensional tooth movement using three different wire sizes (0.018 × 0.025-in, 0.016 × 0.022-in, 0.016-in) on a NiTi scissors-bite corrector. Methods: Computed tomography (CT) images of the experimental model before and after tooth movement were taken and reconstructed into three dimensional models for superimposition. The direction and the amount of tooth movement were measured and analyzed statistically. Results: The lingual and intrusive movements of the crown of the maxillary second molar were increased as the size of the NiTi wire increased. The roots of the maxillary second molars moved buccally except for the 0.016-in group. The intrusive movement of the roots of the maxillary second molars was increased as the size of the NiTi wire increased. Due to the use of orthodontic mini-implants, anchorage loss was under 0.2 mm on average. Conclusions: The 0.018 × 0.025-in NiTi wire was most effective in lingual and intrusive movement of the maxillary second molar which was in scissors-bite position. Indirect skeletal anchorage with a single orthodontic mini-implant was rigid enough to prevent anchorage loss. (Korean J Orthod 2009;39(1):43-53)

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