A member asked:

Small black line on back tooth, what does this sound like?

5 doctors weighed in across 2 answers
Dr. Theodore Davantzis answered

Specializes in Dentistry

Sounds like: A cavity in a developmental groove. But that's only a guess without being able to see it. Call ur local dentist for an appointment.

Answered 11/17/2014

4.6k views

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Dr. Paul Grin answered

Specializes in Pain Management

Staining: Dark spots can occur on your teeth due to staining of the tooth. See your dentist for check-up and cleaning.

Answered 3/10/2015

3.1k views

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