Dental prostheses; dental implants made of artificial materials; suction apparatus for dental use; ultrasonic dental diagnostic apparatus; surgical apparatus and instruments for dental use; apparatus for dental use, namely, teeth aligners, mouth guards for protection against teeth grinding; orthodontic braces; dental apparatus for use in the repair of teeth, namely, drilling jigs; dental equipment, namely, dental bite plates, dental burrs, dental bridges, dental inlays, dental onlays, drills ...