Apical Enlargement, Taper, and Strict Periapical Healing after Primary Endodontic Treatment of Mandibular Molars: A Systematic Review and Exploratory Meta-analysis.
INTRODUCTION This systematic review with exploratory meta-analysis evaluated the association of apical enlargement and taper with strict periapical healing (SPH) after primary endodontic treatment in permanent mandibular molars. METHODS A search to May 18, 2026, was performed using PubMed, Embase, Web of Science, the...