Abrasive wheels for dental purposes; Artificial teeth; Bibs for dental use; Dental bite trays; Dental burs; Dental drill bits; Dental drills; Dental foundation supports; Dental impression trays; Dental instruments, namely, picks, burrs and mirrors; Dental mirrors; Milling apparatus for dental purposes; Oral irrigators for use in dentistry; Orthodontic machines and instruments; Plastic material for producing, relining and repair of dental prostheses; Shade guides for dental use