Drug – bio-affecting and body treating compositions – Dentifrices
Patent
1992-09-01
1994-05-10
Wityshyn, Michael G.
Drug, bio-affecting and body treating compositions
Dentifrices
424 48, 433216, A61K 716, A61K 968, A61C 1500
Patent
active
053105443
ABSTRACT:
The invention provides a method for the removal or reduction of tooth enamel stains due to fluorosis. The method includes a step of treating a surface of an isolated stained tooth with an abrasive-free solution of hydrochloric acid, having a concentration of from about 6-12N, for a period of time sufficient to significantly reduce staining of the tooth, without removal enamel from the treated surface. Thereafter, any residual acid on the tooth surface is neutralized.
REFERENCES:
patent: 4400372 (1983-08-01), Muhler
patent: 4780083 (1988-10-01), Croll
Goldstein, R. E., Esthetics in Dentistry, J. B. Lippincott Co., Phila., 1976, pp. 37-38.
McCloskey, R. J., JADA, vol. 109, A Technique for Removal of Fluorisis Stains, Jul. 1984, pp. 63-64.
Kendell, R. L., Hydrochloric Acid Removal of Brown Fluorosis Stains, Quintessence Jnl., vol. 20, #11, 1989, pp. 837-839.
Jagger, R. G., Hydrochloric Acid-Pumice Treatment, Restorative Dentistry, Feb. 1990, pp. 4-6.
Wong, M., A Clinical Comparison of Treatments for Endemic Dental Fluorosis, J. of Endo, 17(17), Jul. 1991, pp. 343-345.
Belkhir, M. S., A New Concept for Removal of Dental Fluorosis Stains, Jnl. of Endodontics, vol. 17, No. 6, Jun. 1991, pp. 288-292.
Gitomer Ralph
Wityshyn Michael G.
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