Braces for teeth; Dental device that expands the mouth to improve the field of view inside the mouth, and extracts saliva from the work area inside the mouth; Dental instruments, namely, prophy angles; Dental instruments, namely, picks, burrs, mirrors; Dental products, namely, plastic material for fabricating complete and partial denture liners/relines, and for fabricating gaskets for over dentures; Hair prostheses; Hearing aids; Medical apparatus, namely, bi-level positive airway pressure (BPAP) devices; Medical apparatus, namely, continuous positive airway pressure (CPAP) devices; Medical apparatus, namely, variable positive airway pressure devices (VPAP); Microdermabrasion apparatus; Mouth guards for medical purposes; Organoleptic diagnostic testing apparatus for medical, dental or cosmetic use; Orthodontic brackets; Orthopedic devices for diagnostic and therapeutic use; Sanitary masks for medical purposes; Therapeutic mouthpieces for the prevention of snoring; Therapeutic nose clips, mouthpieces for the prevention of snoring