Prognostic Factors of Grade 2‐3 Endo‐Periodontal Lesions Treated Nonsurgically in Patients with Periodontitis: A Retrospective Case‐Control Study

Abstract

<i>and Practical Implications.</i> High PD and CAL, multirooted teeth, smoking, and serious full-mouth periodontitis indicated a poor prognosis for teeth with grade 2-3 endo-periodontal lesions.