title: [Comparison of apical sealing ability of two filling systems].
abstract: OBJECTIVE
  To compare the apical sealing ability of the two filling materials: Resilon/Epiphany Self-Etch and Gutta-percha/AH plus.
  
  
  METHODS
  Thirty-six recently extracted mandibular premolar roots were included, 6 for the positive and negative groups, 28 for the experimental groups (14 for the Resilon/Epiphany SE group, 14 for the Gutta-percha / AH plus group).The roots were prepared according to the same standards, then the root canals were filled respectively with Resilon/Epiphany SE and Gutta-percha/AH plus. The teeth were put into the India ink to stain, and the apical sealing ability of the two filling materials: Resilon/Epiphany Self-Etch and Gutta-percha/AH plus were compared with the methods of dye leakage. SPSS13.0 software package was used for data analysis.
  
  
  RESULTS
  The sealer of the Resilon/Epiphany SE was bonding to the resin filling material and the root canal dentin, and became a structure named mono-block. Compared with the Gutta-percha /AH plus group, the Resilon/Epiphany SE group had significantly lower apical leakage(P<0.05).
  
  
  CONCLUSIONS
  The results show that the Resilon/Epiphany SE filling system has better apical sealing ability than the traditional filling material of Gutta-percha/AH plus, and the sealer of Resilon/Epiphany SE is bonded to the resin filling materials and the root canal dentin, and become a structure named monoblock.
authors.affiliation: Department of Stomatology, Liuzhou People's Hospital, Liuzhou, Guangxi Province, China. txx7811@163.com
authors.forename: Jian-mei
authors.initials: JM
authors.lastname: Liang
authors.forename: Wen-xia
authors.initials: WX
authors.lastname: Chen
mesh_terms: D004396:Coloring Agents; D003763:Dental Leakage; D004853:Epoxy Resins; D006171:Gutta-Percha; D006801:Humans; D012387:Root Canal Filling Materials; D012389:Root Canal Obturation; D018915:Root Canal Preparation; D012390:Root Canal Therapy
chemical_list: D004396:Coloring Agents; D004853:Epoxy Resins; D012387:Root Canal Filling Materials; D006171:Gutta-Percha