My Mouthwash Stained My Tooth Blue. Why?

My Mouthwash Stained My Tooth Blue. Why?

by | Mar 30, 2026 | Dentistry

You rinsed, spit, smiled in the mirror, and one tooth looked faintly blue. Odd, a little alarming, and surprisingly common. At Carlyle Dental in Kinston, we see this a few times a month, and the explanation is usually simple. Quick answer: blue or green mouthwash...