title: Dentin formation in periodontally diseased teeth.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D003739:Dental Cementum / Q000473:pathology; D003786:Dental Pulp Cavity / Q000473:pathology; D003809:Dentin, Secondary / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D010510:Periodontal Diseases / Q000150:complications* / Q000473:pathology