A method and apparatus for the ablation of hard biological material, such hard dental material, using a rapidly pulsed laser employ a crystal or absorber film disposed in the propagation path of the laser radiation, the crystal or absorber film being disposed at the laser output and serving as an interface...http://www.google.es/patents/US5458594?utm_source=gb-gplus-sharePatente US5458594 - Method and apparatus for the treatment of hard biological material, such as hard dental material, using lasers
Method and apparatus for the treatment of hard biological material, such as ...
