ERR

What is it about?

Resorption of the root of a permanent tooth is a pathological process that can occur inside the tooth (internal resorption), or on the outer surface of the tooth (external root resorption) and can ultimately lead to loosening of the tooth and its early loss. External root resorption (ERR) occurs when the cementoblastic layer or other tooth tissue on the root surface are either damaged or removed

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