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Four premolar extraction treatment with aligners｜【Chris Chang Ortho】CC563
Автор: 【Chris Chang Ortho】
Загружено: 2020-09-02
Просмотров: 12429
Описание:
This 23-year-old female patient asked to improve her protrusive appearance. This is a routine, “4-bicuspid” extraction treatment. Considering #15 is periodontally compromised, the treatment plan was revised to remove all three premolars and #15 instead. This video further discussed issues related to space closure by aligners, including posterior open bite, proper Clincheck planning to avoid anterior screws, and speculate the cause of medially tilting of #16.
此一 23 歲女性患者因外觀較凸求診，這是一個例行性拔四顆小臼齒來治療嘴凸的案例。考量到 #15 齒質不佳，改拔除其他三顆小臼齒和 #15。此影片進一步探討 aligner 第一階段關空間後產生的問題，包含 bowing effect 造成的後牙開咬，利用適當地 Clincheck 設計可避免使用前牙骨釘，以及推測骨釘的角度可能導致 #16 近心傾斜。
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