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: This study aimed to compare the frictional force (FR) in self-ligating brackets among different bracket-archwire angles, bracket materials, and archwire types. Methods: Passive and active metal self-ligating brackets and active ceramic self-ligating brackets were included as experimental groups, while conventional twin metal brackets served as a control group. All brackets were maxillary premolar brackets with 0.022 inch [in] slots and a ?7o torque. The orthodontic wires used included 0.018 round and 0.019 × 0.025 in rectangular stainless steel wires. The FR was measured at 0o, 5o, and 10o angulations as the wire was drawn through the bracket slots after attaching brackets from each group to the universal testing machine. Static and kinetic FRs were also measured. Results: The passive self-ligating brackets generated a lower FR than all the other brackets. Static and kinetic FRs generally increased with an increase in the bracket-archwire angulation, and the rectangular wire caused significantly higher static and kinetic FRs than the round wire (p < 0.001). The metal passive self-ligating brackets exhibited the lowest static FR at the 0o angulation and a lower increase in static and kinetic FRs with an increase in bracket-archwire angulation than the other brackets, while the conventional twin brackets showed a greater increase than all three experimental brackets. Conclusions: The passive self-ligating brackets showed the lowest FR in this study. Self-ligating brackets can generate varying FRs in vitro according to the wire size, surface characteristics, and bracket-archwire angulation.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Stoner MM / 1960 / Force control in clinical practice / Am J Orthod 46 : 163 ~ 186
2. [학술지(정기간행물)] - Kwak C / 1993 / A study on the changes of frictional force between bracket and orthodontic wire with time in artificial saliva / Korean J Orthod 23 : 283 ~ 294
3. [학술지(정기간행물)] - Hwang HS / 1989 / An experimental study on frictional forces of various orthodontic wires under artificial saliva. / Korean J Orthod 19 : 245 ~ 256
4. [학술지(정기간행물)] - Ko JS / 1988 / Frictional forces between orthodontic wire and bracket under artificial saliva / Korean J Orthod 18 : 55 ~ 64
5. [학술지(정기간행물)] - Lee JH / 2001 / An experimental study of dynamic frictional resistance between orthodontic bracket and arch wire / Korean J Orthod 31 : 467 ~ 477
2. [학술지(정기간행물)] - Kwak C / 1993 / A study on the changes of frictional force between bracket and orthodontic wire with time in artificial saliva / Korean J Orthod 23 : 283 ~ 294
3. [학술지(정기간행물)] - Hwang HS / 1989 / An experimental study on frictional forces of various orthodontic wires under artificial saliva. / Korean J Orthod 19 : 245 ~ 256
4. [학술지(정기간행물)] - Ko JS / 1988 / Frictional forces between orthodontic wire and bracket under artificial saliva / Korean J Orthod 18 : 55 ~ 64
5. [학술지(정기간행물)] - Lee JH / 2001 / An experimental study of dynamic frictional resistance between orthodontic bracket and arch wire / Korean J Orthod 31 : 467 ~ 477
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UCI(KEPA) : I410-ECN-0101-2016-515-001060978