THE BASIC PRINCIPLES OF CLEAR RETAINER

The difference is that the retainer substance is thicker and meant to very last For many years, even though aligners are designed to previous for a number of months. เวลาใส่จะเห็นเป็นเส้นลวดบนฟัน ทำให้คนไข้บางท่านยิ้มแล้วรู้สึก�