Method for neutralizing mercury derived from dental amalgams

Details Method for neutralizing mercury derived from dental amalgams Method for neutralizing mercury derived from dental amalgams

1991-12-13

1993-01-12

Wilson, John J.

Dentistry

Method or material for testing, treating, restoring, or...

By filling, bonding or cementing

4332281, A61C 504

Patent

active

051785412

ABSTRACT:
A method for preventing mercury released from amalgam dental fillings from passing into and adversely effecting the body by the use of sulfur in effective amounts. A protective layer may be formed over hardened amalgam surfaces by brushing a tooth surface with a toothpaste composition containing sulfur. Alternatively, surfaces of a tooth cavity can be coated with a lining composition containing sulfur, and the dental amalgam may then inserted into the lined cavity to form dental restorations of improved corrosion resistance. Also, sulfur may be incorporated into setting compositions comprising a dental amalgam alloy composed mainly of silver and tin, and including mercury in an amount sufficient to amalgamate said alloy.

REFERENCES:
patent: 1379744 (1921-05-01), Congreve
patent: 3018778 (1962-01-01), Brilliant
patent: 4354942 (1982-10-01), Kaczur et al.
patent: 4844815 (1989-07-01), Ader et al.
patent: 4914135 (1990-04-01), Herschler

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