10 Dental instruments, namely, periotomes, disposable burs, multi-use burs, diamond burs and tooth cutting tools, tooth polishing discs, retraction caps, prophy angles and handles for prophy angles, ultrasonic sterilizer apparatus for dental purposes, endodontic posts, amalgam carriers, articulators, matrice apparatus, retraction cords, scalers and curettes, polymer-based dental instruments, namely, periodontal probes, explorers, explorers-periodontal probes, hygiene scalers, hygiene curettes, plastic and composite filling instruments; cryosurgical devices, namely, probes