Dental procedures and apparatus using ultraviolet radiation

Details Dental procedures and apparatus using ultraviolet radiation Dental procedures and apparatus using ultraviolet radiation

1995-07-24

1998-07-28

Peffley, Michael

Surgery

Instruments

Light application

433215, 606 13, 606 16, A61B 1736

Patent

active

057857032

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 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.

REFERENCES:
patent: 4686979 (1987-08-01), Gruen et al.
patent: 4784135 (1988-11-01), Blum et al.
patent: 5020995 (1991-06-01), Levy
patent: 5055048 (1991-10-01), Vassiliadis et al.
patent: 5207576 (1993-05-01), Vassiliadis et al.
patent: 5401171 (1995-03-01), Paghdiwala
Pini et al, "Laser Dentistry: A New Application of Excimer Laser in Root Canal Therapy" Lasers in Surgery and Medicine, vol. 9, pp. 352-357, 1989.

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