Dentistry – Method or material for testing – treating – restoring – or...
Patent
1998-04-08
1999-04-27
Lucchesi, Nicholas D.
Dentistry
Method or material for testing, treating, restoring, or...
606 10, 606 13, 606 16, A61C 500
Patent
active
058973214
ABSTRACT:
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.
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Goodman Barry Dean
Jacobs Jason Matthew
Kaufman Hershall William
Wynne James Jeffrey
International Business Machines - Corporation
Lucchesi Nicholas D.
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