A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61C
DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
A61C17/00
Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
A61C17/02
Rinsing or air-blowing devices, e.g. using fluid jets; or comprising liquid medication;