dental intraoral cameras; stomatoscopes [dental apparatus]; electric nasal irrigators; nasal irrigators, non-electric; oral irrigators for use in dentistry; nasal irrigators; nasal irrigators, electric; irrigators for medical purposes; wound irrigation apparatus; electric dental apparatus; dental apparatus; dental intra-oral cameras; dental bridges; dental braces; dental bite trays; dental instruments; dental mirrors; dental picks for use in dental treatment; dental picks, other than for personal use; dental syringes