The Toothpaste Illusion: Why All Whitening Toothpastes Aren’t Equal
I had a patient last month who proudly showed me her collection of whitening toothpastes, each promising dramatic results in days. "I've tried them all," she said, "and my teeth…
I had a patient last month who proudly showed me her collection of whitening toothpastes, each promising dramatic results in days. "I've tried them all," she said, "and my teeth…