clear retainer - An Overview
Long term retainers cannot be felt or viewed and do not disrupt having or speaking capabilities. Having said that, They are really liable to plaque buildup after a while, producing your oral hygiene regime tougher.ควรปรึกษาหมอ เพราะอาจทำให้ฟันเคลื่อนผิดตำแหน่ง