Abstract: This invention relates to novel dental compositions and methods for preventing dental plaque and carie formation and generally for inhibiting tooth decay and brightening/whitening teeth. The compositions of this invention comprise organic acids such as acetic acid and salts thereof which can be combined with pharmaceutically acceptable carriers or diluents to be administered in the form of conventional dental compositions. The compositions of the present invention also preferably contain sodium hexametaphosphate.

Abstract: A method for preparing an EDTA-Tris composition which comprises the steps of: mixing ethylenediaminetetraacetic acid (EDTA) USP with tris(hydroxymethyl)aminomethane (Tris) USP to provide an EDTA-Tris USP mixture; and buffering the EDTA-Tris USP mixture with a pH adjuster to a pH of between about 7.9 and 8.10.