A dental apparatus, including an instrument having an optical fiber for delivering UV light, an optical viewing fiber and an irregular surface located on the exterior surface at the distal end of the instrument to provide tactile feedback. The instrument preferably additionally comprises an irrigation...http://www.google.es/patents/US5800165?utm_source=gb-gplus-sharePatente US5800165 - Dental instrument and method of bleaching teeth using a laser
Dental instrument and method of bleaching teeth using a laser
