First Premolar Extraction Treatment with Clear Aligners｜【Chris Chang Ortho】CC568

In cases requiring extraction of four first premolars, ensuring root paralleling near the extraction sites during space closure is very challenging. Even the G6 solution does not guarantee predictable tooth movement. Side effects, such as, severe anchorage loss and dumping of the anteriors are still common. This video presents a force system consisted of four TADs to prevent these unwanted side effects. Additional references are provided below.

http://iaoi.pro/asset/files/jdo_58_pd...

https://apospublications.com/bimaxill...

以隱形矯正來處理第一小臼齒拔牙的案例，一直以來都面對很難成功的將牙根排列平行的難題。即使是官方推出的G6配套方案依然無法確保可預期的牙齒移動。嚴重的錨定喪失及前牙傾倒都是常見的副作用。因此，此短片介紹了一個由四支迷你骨釘構成的力學系統，能夠有效預防此類副作用。結尾也附上兩篇補充文獻供大家參考：

http://iaoi.pro/asset/files/jdo_58_pd...

https://apospublications.com/bimaxill...