title: The effect of dowel preparation on the apical seal of three common obturation techniques.
mesh_terms: D003442:Crowns; D001840:Dental Bonding; D003762:Dental Instruments; D003763:Dental Leakage / Q000209:etiology; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D006801:Humans; D011176:Post and Core Technique; D012389:Root Canal Obturation / Q000295:instrumentation / Q000379:methods*