Apparatus for washing out body cavities; Appliances for washing body cavities; Brushes for cleaning body cavities; Dental bite trays; Dental gloves; Dental instruments, namely, crown and bridge removers; Dental instruments, namely, disposable prophy angles; Dental instruments, namely, oral irrigators; Dental picks; Gum massagers for babies; Gum massaging instruments; Orthodontic machines and instruments; Orthodontic retainers; Sprayers for cleaning gums and teeth used in dentists' offices dur...