A prophylactic system 100 for a dental hand piece 101 of a selected shape and having an outlet 112 for providing a fluid to an operating field is disclosed. A cover 102 has a shape substantially similar to the hand piece 101 for enclosing the dental hand piece 101 and includes an aperture 118 for communicating...http://www.google.es/patents/US6350124?utm_source=gb-gplus-sharePatente US6350124 - Prophylactic systems for dental instruments and methods for using the same
Prophylactic systems for dental instruments and methods for using the same