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
- 2021.11
- 수록면
- 375 - 386 (12page)
이용수
초록· 키워드
오류제보하기
Objective: To evaluate the accuracy of a one-piece bracket jig system fabricated using computer-aided design and manufacturing (CAD/CAM) by employing three-dimensional (3D) digital superimposition. Methods: This in vitro study included 226 anterior teeth selected from 20 patients undergoing orthodontic treatment. Bracket position errors from each of the 40 arches were analyzed quantitatively via 3D digital superimposition (best-fit algorithm) of the virtual bracket and actual bracket after indirect bonding, after accounting for possible variables that may affect accuracy, such as crowding and presence of the resin base. Results: The device could transfer the bracket accurately to the desired position of the patient’s dentition within a clinically acceptable range of ± 0.05 ㎜ and 2.0° for linear and angular measurements, respectively. The average linear measurements ranged from 0.029 to 0.101 ㎜. Among the angular measurements, rotation values showed the least deviation and ranged from 0.396° to 0.623°. Directional bias was pronounced in the vertical direction, and many brackets were bonded toward the occlusal surface. However, no statistical difference was found for the three angular measurement values (torque, angulation, and rotation) in any of the groups classified according to crowding. When the teeth were moderately crowded, the mesio-distal, bucco-lingual, and rotation measurement values were affected by the presence of the resin base. Conclusions: The characteristics of the CAD/CAM one-piece jig system were demonstrated according to the influencing factors, and the transfer accuracy was verified to be within a clinically acceptable level for the indirect bracket bonding of anterior teeth.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (28)
참고문헌 신청
Andrews LF. / 1976 / The straight-wire appliance. Explained and compared / J Clin Orthod 10:174~195
Andrews LF / 1979 / The straight-wire appliance / Br J Orthod 6:125~143
Zachrisson BU / 1978 / Clinical comparison of direct versus indirect bonding with different bracket types and adhesives / Am J Orthod 74:62~78
Aguirre MJ / 1982 / Assessment of bracket placement and bond strength when comparing direct bonding to indirect bonding techniques / Am J Orthod 82:269~276
Koo BC / 1999 / Comparison of the accuracy of bracket placement between direct and indirect bonding techniques / Am J Orthod Dentofacial Orthop 116:346~351
Andrews LF / 1979 / The straight-wire appliance / Br J Orthod 6:125~143
Zachrisson BU / 1978 / Clinical comparison of direct versus indirect bonding with different bracket types and adhesives / Am J Orthod 74:62~78
Aguirre MJ / 1982 / Assessment of bracket placement and bond strength when comparing direct bonding to indirect bonding techniques / Am J Orthod 82:269~276
Koo BC / 1999 / Comparison of the accuracy of bracket placement between direct and indirect bonding techniques / Am J Orthod Dentofacial Orthop 116:346~351
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