Number | Name | Date | Kind |
---|---|---|---|
3577521 | Scheller | May 1971 | |
3639574 | Schmolka | Feb 1972 | |
4130501 | Lutz et al. | Dec 1978 | |
4226851 | Sompayrac | Oct 1980 | |
4302441 | Muhlemann et al. | Nov 1981 | |
4343785 | Schmolka | Aug 1982 | |
4431631 | Clipper et al. | Feb 1984 | |
4465663 | Schmolka | Aug 1984 | |
4528180 | Schaeffer | Jul 1985 | |
4537778 | Clipper et al. | Aug 1985 | |
4684517 | Clipper et al. | Aug 1987 | |
4696757 | Blank et al. | Sep 1987 | |
4788052 | Ng et al. | Nov 1988 | |
4837008 | Rudy et al. | Jun 1989 | |
4839156 | Ng et al. | Jun 1989 | |
4839157 | Mel-King Ng et al. | Jun 1989 | |
4849213 | Schaeffer | Jul 1989 | |
4895721 | Drucker | Jan 1990 |
Entry |
---|
Periodontics and Oral Higiene, Keyes et al, Jan. 1978, pp. 51-56. |