ยอมรับทั้งหมด จัดการความเป็นส่วนตัว Mounted retainers are frequently employed to deliver orthodontic retention and stay clear of relapse.[fourteen] They usually include a wire bonded with acid etch and composite for the lingual/palatal area of the anterior enamel. In preset retainers, composite is often positioned to bond and also to deal with the https://billl418ybe9.wikicommunication.com/user