International Business Machines Corporation

Other

Jason Matthew Jacobs

James Jeffrey Wynne

Barry Dean Goodman

Hershall William Kaufman

An improved dental procedure and apparatus where ultraviolet radiation pulses are used to etch selectively both hard tissue and soft tissue in dental procedures. There exists distinct ablation thresholds for hard and soft tissue which are dependent on the material being ablated for a given wavelength of the ultraviolet radiation. Sufficient differences in ablation threshold exist for enamel, dentin, and carious material, thereby allowing dentists to perform both hard tissue and soft tissue procedures without excess damage to healthy enamel, dentin or other pulp structures.

Dental procedures and apparatus using ultraviolet radiation

An improved dental procedure contacts a tooth with a fluoride carrier to produce a fluoride containing layer on the tooth. The tooth is then irradiated with UV radiation in the wavelength range of 100-400 nm. The fluoride carrier is at least 70% transparent to UV radiation, and the radiation is provided with sufficiently low energy to avoid inflicting pain on the patient.

An improved dental procedure and apparatus where ultraviolet radiation pulses are used to etch selectively both hard tissue and soft tissue in dental procedures. There exists distinct ablation thresholds for hard and soft tissue which are dependent on the material being ablated for a given wavelength of the ultraviolet radiation. Sufficient differences in ablation threshold exist for enamel, dentin, and carious material, thereby allowing dentists to perform both hard tissue and soft tissue procedures without excess damage of healthy enamel, dentin or other pulp structures.

An improved dental procedure and apparatus where ultraviolet radiation pulses are used to etch selectively both hard tissue and soft tissue in dental procedures. There exists distinct ablation thresholds for hard and soft tissue which are dependent on the material being abated for a given wavelength of the ultraviolet radiation. Sufficient differences in ablation threshold exist for enamel, dentin, and carious material, thereby allowing dentists to perform both hard tissue and soft tissue procedures without excess damage to healthy enamel, dentin or other pulp structures.

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Baldwin, NY, United States of America

Jason Matthew Jacobs