รีเทนเนอร์ใส No Further a Mystery
Durability is described as the opportunity to stand up to cracking and breakage of the retainer. Power is confirmed by retention force, the power from the retainer to supply enough corrective mechanical masses to keep teeth in their described positions.บางกว่ารีเทนเนอร์แบบลวด จึงใส่สบา