Allows the practitioner to achieve natural primary, secondary, and tertiary anatomy. The logical sequence in which the carbide and diamond burs are utilized enhances time effectiveness and promotes the utmost in natural-looking anterior and posterior composite restorations. The Logic Set contains essential NTI diamonds and carbides for finishing the occlusal, lingual, and gingival surfaces as well as the proximal margins of direct anterior and posterior composite restorations. Delivered in a black aluminum autoclavable bur block.