Improving the performance of EndoREZ root canal sealer with a dual-cured two-step self-etch adhesive. II. Apical and coronal seal.
This study tested the hypothesis that the seal of EndoREZ may be improved with an adhesive-modified technique. Instrumented single-rooted teeth were filled with: (a) Warm vertical compaction with AH Plus (control); (b). EndoREZ with master cones and passive application of accessory cones; (c) Application of Clearfil Liner Bond 2V before EndoREZ and gutta-percha condensation. Leakage was assessed by fluid filtration at 10 psi before root resection and after 3 to 12 mm apical resections. Statistical analyses revealed significant differences in filling technique and resection lengths. EndoREZ exhibited significantly higher overall leakage, while no difference was found between AH Plus and the adhesive-modified EndoRez technique. Apical resection of EndoREZ to 12 mm exhibited more leakage than all other interactions, but was not significantly different from the same material resected to 9 mm. Although EndoREZ exhibited an acceptable apical seal, its coronal seal may be improved with the use of a dual-cured self-etch adhesive.
Gillespie
William T
WT
Department of Endodontics, School of Dentistry, Medical College of Georgia, Augusta, Georgia 30912-1129, USA.
Loushine
Robert J
RJ
Weller
R Norman
RN
Mazzoni
Annalisa
A
Doyle
Michael D
MD
Waller
Jennifer L
JL
Pashley
David H
DH
Tay
Franklin R
FR
D000704:Analysis of Variance; D003188:Composite Resins / Q000737:chemistry*; D003763:Dental Leakage / Q000517:prevention & control*; D006171:Gutta-Percha / Q000737:chemistry / Q000627:therapeutic use; D006801:Humans; D012387:Root Canal Filling Materials / Q000737:chemistry*; D012390:Root Canal Therapy / Q000379:methods*; D013718:Tensile Strength
D003188:Composite Resins; C481259:EndoRez; D012387:Root Canal Filling Materials; D006171:Gutta-Percha