The Natural Dentist, a Medford, MA-based maker of natural oral care products, has been acquired by Revive Personal Products, Madison, NJ. The Natural Dentist is the second largest layer in the natural toothpaste sector, holding a 9% share of the market—far behind leader Tom’s of Maine, which controls 79% of that category. In recent months, The Natural Dentist has rolled out a new mouthwash and revamped its children’s toothpaste line. “Unique in the natural oral care category, our pr...