Method and apparatus for removing dental caries by using laser r

Details Method and apparatus for removing dental caries by using laser r Method and apparatus for removing dental caries by using laser r

1996-07-10

2000-07-04

Shay, David M.

Surgery

Instruments

Light application

606 3, 606 15, 606 17, 433 29, 433215, A61N 506

Patent

active

060832185

ABSTRACT:
An apparatus (1) is provided for treating a target area (22) of a tooth (10). The apparatus (1) generally comprises a coolant delivery system (20) and an ultraviolet laser system (15). The coolant delivery system (20) delivers coolant (52) to the target area (22) while a light guide (44) focuses ultraviolet radiation thereon. The ultraviolet radiation (18) and coolant (52) combine to ablate a desired material without generating excess heat which may otherwise char surface tissue or cause thermal damage.

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Henning, et al., "Caries selective ablation by pulsed lasers," SPIE 1424, pp. 99-105 (1991).
Arima, et al., Effects of ArF excimer laser irradiation on human enamel and dentine, Lasers in Surgery and Medicine 13 97 to 105 (1993).
Frentzen, et al., "Excimer lasers in dentistry: future possibilities and advanced technology," Quintessence International 23, 117 to 133 (1992).
Neev, et al., "Selectivity, efficiency, and surface characteristics of hard dental tissues ablated with ArF pulsed excimer lases," Lasers in Surgery and Medicine 11, 499 to 510 (1991).
Selective Absorption of Ultraviolet Laser Energy by Human Atherosclerotic Plaque Treated with Tetracyclines by Murphy-Chutorian et al; Am. J. Cardiol; vol. 55; May 1985; pp 1293-1297.

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