Retainers After Orthodontic Treatment

*The full article is available only in Chinese.

After orthodontic treatment, teeth are not yet fully stable and may shift back toward their original positions, a process called relapse. Orthodontic specialist Dr. Yau explains that retainers, either removable or fixed, are needed to help prevent this movement, and that no one can guarantee teeth will stay perfectly aligned for life. The full article is available only in Chinese.