title: Dowel space preparation and apical leakage.
mesh_terms: D003442:Crowns; D001840:Dental Bonding; D003737:Dental Cavity Preparation; D006171:Gutta-Percha; D006801:Humans; D011176:Post and Core Technique; D012389:Root Canal Obturation / Q000379:methods*
chemical_list: D006171:Gutta-Percha