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[The effects of combined reverse Nance and TPA on reinforcement of anchorage]. | LitMetric

[The effects of combined reverse Nance and TPA on reinforcement of anchorage].

Shanghai Kou Qiang Yi Xue

Department of Orthodontics, Ninth People's Hospital, School of Stomatology, Shanghai Second Medical University, Shanghai 200011, China.

Published: August 2004

AI Article Synopsis

Article Abstract

Purpose: To evaluate the effects of combined reverse Nance and TPA on anchorage control.

Methods: 16 female adults with Class II division 1 malocclusion were treated with the combined mechanism of reverse Nance and TPA in an attempt to reinforce molar anchorage. Cephalometric analysis and model measurements were conducted for the assessment of anchorage control.

Results: The mesial movement of the upper first molars were minimized within 1/5 extracted space, parameters such as UMVD, MP-FH, ANS-Me remained unchanged, indicating the molar anchorage was controlled effectively.

Conclusion: The modified combination of reverse Nance and TPA might be effective in anchorage forcement.

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