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: To investigate the three-dimensional forces created by clear aligners on mandibular teeth during differential activation with en-masse retraction and/or intrusion in vitro. Methods: Six sets of clear aligners were designed for differential en-masse retraction and/or intrusion procedures in a first premolar extraction model. Group A0 was a control group with no activation. Groups A1–5 underwent different degrees of retractions and/or intrusions. Each group consisted of 10 aligners. Aligner forces were measured on a multi-axis force/torque transducer measurement system in real-time. Results: In the en-masse retraction groups (A1 and A2), lingual and extrusive forces were observed on the incisors; the canines mainly received distal forces; intrusive forces were seen on the second premolars; and the molars received mesial forces. In the en-masse retraction and intrusion groups (A3, A4, and A5), incisors also received lingual and extrusive forces; canines received distal and intrusive forces; mesial and extrusive forces were seen on the second premolars; and the second molars received distal and intrusive forces. The vertical forces on the incisors did not differ significantly among groups A1, A3, and A5. However, the vertical forces on the second premolars reversed from intrusion in group A1 to extrusion in groups A3 and A5. Conclusions: With clear aligners, the “bowing effect” is seen during en-masse anterior teeth retraction and can be partially relieved by performing en-masse retraction accompanied by anterior teeth intrusion. Vertical control of incisors remained unsolved during en-masse retraction, even when intrusive activation was added to the anterior teeth.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (32)
참고문헌 신청
Turpin DL / 2005 / Clinical trials needed to answer questions about Invisalign / Am J Orthod Dentofacial Orthop 127:157~158
Shin K / 2017 / The Invisalign appliance could be an effective modality for treating overbite malocclusions within a mild to moderate range / J Evid Based Dent Pract 17:278~280
Bowman SJ / 2015 / Creative adjuncts for clear aligners, part 2 : intrusion, rotation, and extrusion / J Clin Orthod 49:162~172
Khosravi R / 2017 / Management of overbite with the Invisalign appliance / Am J Orthod Dentofacial Orthop 151:691~699.e2
Bowman SJ / 2015 / Creative adjuncts for clear aligners, part 1 : class II treatment / J Clin Orthod 49:83~94
Shin K / 2017 / The Invisalign appliance could be an effective modality for treating overbite malocclusions within a mild to moderate range / J Evid Based Dent Pract 17:278~280
Bowman SJ / 2015 / Creative adjuncts for clear aligners, part 2 : intrusion, rotation, and extrusion / J Clin Orthod 49:162~172
Khosravi R / 2017 / Management of overbite with the Invisalign appliance / Am J Orthod Dentofacial Orthop 151:691~699.e2
Bowman SJ / 2015 / Creative adjuncts for clear aligners, part 1 : class II treatment / J Clin Orthod 49:83~94
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EN
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UCI(KEPA) : I410-ECN-0101-2021-515-001616846