5 Easy Facts About รีเทนเนอร์ใส Described
Longevity is defined as the opportunity to face up to cracking and breakage on the retainer. Toughness is verified by retention pressure, the ability from the retainer to supply sufficient corrective mechanical hundreds to retain tooth of their defined positions.บางกว่ารีเทนเนอร์แบบลวด จึงใส