dental apparatus and instruments, namely, endodontic handpieces, endodontic motors, endodontic obturators, nerve broaches, root canal reamers, endodontic files, gauges for measuring root canals, root canal paste carriers, dental probes, root canal fillers, dental instrument trays, dental instrument sockets and holders, mouth mirrors, nerve and root canal drills, dental posts; torque control contra angle for endodontic treatment; apex locator; tinctures for identifying caries and root canal entrances; dental materials and treatment preparations for use in endodontic field, namely, etching gels and liquids, pit and fissure sealants, tooth conditioning gels, core build-up material, hybrid composites, dental acrylics and filling materials, dental putty, dental molding compounds, amalgam alloys, bonding alloys, partial denture alloys, separating agents, dental cements, impression materials, dental bonding agents, endodontic restorative materials, root canal sealers, gutta percha for dental procedures, endodontic irrigating solutions, saline solutions for irrigation and debridement of root canals, cleansing and surface preparation solutions for root canals, material for stopping teeth, dental wax, local anesthetics for dental procedures; disinfectants for dental and surgical instruments; lubricants for dental instruments