Question

When placing a tofflemire matrix retainer, it is important that the slotted edge of the retainer is directed:

Answer 1

The slotted edge of the tofflemire matrix retainer should be directed towards the tooth being restored or prepared to ensure proper adaptation and retention of the matrix band.

Step-by-step explanation:

When placing a tofflemire matrix retainer, the slotted edge of the retainer should be directed towards the tooth being restored or prepared. This allows for proper adaptation and retention of the matrix band, ensuring a tight seal around the tooth. The slotted edge of the retainer should face away from the adjacent teeth to prevent interference when accessing the tooth.