Many of our patients ask us whether whitening toothpastes really whiten their teeth, so we asked Dr. Peters for clarification on this question. “They can to a limited extent. Whitening toothpastes have mild abrasives in them that help scrub away surface stains. The key here is that whitening toothpastes only work on the surface of teeth. They won’t whiten the inside of the tooth where most of the pigment is. You may notice a mild whitening of your teeth when you first switch to a whitening toothpaste, but after the surface stain is removed, you probably won’t get any additional Read More →