Prognostic Factors of Combined Periodontal and Endodontic Lesions: A Retrospective Study

Abstract

The prognosis of nonsurgical treatment of periodontal and periodontal combined lesions is mainly correlated to the patient's oral hygiene maintenance, as well as the loss of attachment, the degree of loosening, the clinical crown-to-root ratio, the periapical index, and the number of root canals.