10 Medical apparatus and instruments, namely ultrasound apparatus for dental use, X-ray apparatus for dental use, polymerisation apparatus for dental purposes, milling apparatus for dental use, intra-oral light systems for dental use; Medical devices for dental surgery, namely surgical apparatus and instruments for dental use; Dental apparatus and instruments, namely dental mirrors, dental explorers, periodontal probes, dental scalers, dental curettes, dental polishers, dental drills, dental syringes, spoon excavators for dental use, dntal suction devices, dental lights; Orthodontic brackets; Orthodontic machines and instruments for dental purposes; Orthodontic rubber bands; Holders specially adapted for orthodontic retainers; Teeth aligners; Orthodontic appliances; Orthodontic retainers; Dental examination chairs; Dental braces; Dental pliers; 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; Mouth exerciser for use in exercising and strengthening mouth and facial muscles for medical and beauty benefits; Face shields for dental use; Hydrophilic instruments for dental treatment purposes