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Abstract

An apparatus for removing dental enamel and dentin. This apparatus is also capable of cutting soft tissue. The apparatus includes a laser which, when activated, produces a laser pulse having a wavelength of between 1.5 and 3.5 microns, a beam diameter at the target site in the range of 10 to 5,000 microns, a pulse duration of between several picoseconds and several milliseconds, an energy level of between 0.1 millijoules and five joules per pulse, and pulse repetition rates from one pulse per second to 10,000 pulses per second. The pulse is focussed on the dental enamel or dentin thereby reaching high enough energy densities to vaporize the material. In the case of soft tissues, a special tip is used to concentrate the laser on the tissue so that cutting action can be easily executed.

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First Claim