The Curved Occlusal Embrasure of the Biofit BLUE and Biofit HD Matrices are so ideal, you no longer need to shorten and subsequently reshape the occlusal embrasure with burs or discs. Matrices : 20 Matrices 5 each of 4 sizes (4.5HD, 5.5HD, 6.5HD and 5.5HD premolar matrix) 20 Matrices.
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