METHOD OF TREATMENT OF TOOTH HARD TISSUES BY LASER RADIATION AND DEVICE FOR ITS REALIZATION Russian patent published in 1997 - IPC

FIELD: medical equipment, applicable in stomatology at treatment of caries and dental prosthetics. SUBSTANCE: the method consists in action of laser pulse on the tooth tissue, acoustic pulse arising at interaction of radiation with the tissue is detected, and the type of the tissue to be treated is determined according to the pulse peak amplitude. The device uses a pulsed laser and means for delivery of radiation from the laser to the tooth arranged in succession from the laser to the tooth arranged in succession in the optimal axis; the input of the means of radiation delivery is optically integrated with the laser output, has an acoustic pickup and an electric pulse peak amplitude meter, whose input is electrically coupled to the acoustic pickup output, and the output is electrically coupled to the display unit input; the acoustic pickup is installed in such a manner that the direction of its maximum sensitivity makes up angle α with the direction of the optical axis at the output of the radiation delivery means, this angle satisfies condition: 11^°< α < 86^°. EFFECT: reduced danger of laser injury to patient. 6 cl, 5 dwg