title: Evaluation of the apical seal produced by injected thermoplasticized Gutta-percha in the absence of smear layer and root canal sealer.
mesh_terms: D001840:Dental Bonding; D003763:Dental Leakage / Q000175:diagnosis*; D003804:Dentin / Q000648:ultrastructure; D005069:Evaluation Studies as Topic; D006171:Gutta-Percha / Q000008:administration & dosage*; D006801:Humans; D012387:Root Canal Filling Materials; D012390:Root Canal Therapy / Q000379:methods*
chemical_list: D012387:Root Canal Filling Materials; D006171:Gutta-Percha