MEDFORD, Mass. The Natural Dentist, a maker of natural oral care products, has added two new mouth rinses to its line: All Natural Antigingivitis Rinse and Pre-Brush Whitening Rinse.

The product, Listerine Whitening Pre-Brush Rinse, comes on the heels of a new entry into the mouthwash category by rival Procter & Gamble Co., which began selling a mouthwash under the Crest brand ...

Pfizer Inc. is about to bite into the expanding market for tooth-whitening products with a Listerine mouth rinse that promises to brighten smiles when used twice a day before brushing. The product ...

If you brush after breakfast, however, and had consumed acidic food or drinks such as coffee, it would be helpful to wait half an hour before brushing. Alternatively, rinse your mouth out before ...