Product Structure & Application Range:
This product consists of wedge-shaped tip and hole-shaped end, made of plastic. Used to firm matrix band, and prevent dental filling materials from forming overhangs and damaging periodontal tissue.
Instructions
Firstly, before filling, put matrix bands with retainer around the hole, and choose suitable size wedge, insert from buccal to lingual, keep matrix bands close to the neck of the tooth to prevent overhang.