1 doctor weighed in:

I have a small section of dentin showing in one of my teeth, what caused it?

1 doctor weighed in
Dr. Jonathan Engel
Dentistry

In brief: Serveral asnwers

It can be from trauma (chipping of the enamel) to wear of the enamel over it, to recession exposing root surface (which has no enamel but a very thin layer of cementum which is easily abraded).

In brief: Serveral asnwers

It can be from trauma (chipping of the enamel) to wear of the enamel over it, to recession exposing root surface (which has no enamel but a very thin layer of cementum which is easily abraded).
Dr. Jonathan Engel
Dr. Jonathan Engel
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