PRIMA Matrix Retainer, for Ivory bands, 1 piece

The PRIMA mechanical device is designed to help fix the matrices in the position of the tooth. The PRIMA mechanical device is designed to help fix the matrices in the position of the tooth. The Ivory type matrix port has arms that are inserted into the holes of the matrix to allow its adjustment according to the circumference of the tooth. The device is made of stainless steel. The device is made of stainless steel, resistant over time..