23/09/2026
Even with an active matrix band, sectional matrix system, and customised wedging, achieving a perfect seal at the base of the proximal box can sometimes be challenging🥵
One simple tip is to pack PTFE (Teflon) tape into the area after placement. It helps adapt the matrix more closely to the cavity walls, improving the seal and reducing the risk of restorative defects. A small adjustment, but one that can make a big difference to the quality and longevity of the final restoration.
What techniques do you use when matrix adaptation proves difficult?