A member asked:

I went to the dentist today and he said i don't have cavity even though there is a brown dot. how is this possible?

A doctor has provided 1 answer
Dr. Eyal Simchi answered

Specializes in Pediatric Dentistry

The: Brown dot could be extrinsic (external stain) or intrinsic (internal stain) . In either case stain does not always mean decay. Newer technology including bioluminescence and lasers can help determine if a stain is only a stain or if there is decay present. One of these devices is called diagnodent.

Answered 3/28/2013

5.2k views

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