Apparatus for artificial respiration; Body rehabilitation apparatus for medical purposes; Braces for teeth; Dental devices for the treatment of obstructive sleep apnea; Dental impression trays; Physical exercise apparatus for medical purposes; Polymerisation apparatus for dental purposes; Splints, surgical; Surgical instruments and apparatus; Teeth protectors for dental purposes; Therapeutic mouthpieces for the prevention of snoring; Tongue depressors for medical purposes; Traction apparatus ...