The effect of resin-based sealers on fracture properties of dentine

International Endodontic Journal
A JainaenH H Messer

Abstract

To determine whether resin-based sealer cements are able to strengthen root dentine, as measured by work of fracture (Wf), micro-punch shear strength (MPSS) and resistance to vertical root fracture (VRF). One hundred and twenty extracted premolar teeth were randomly assigned amongst four treatments before testing: intact, root canals prepared but unfilled, or root filled using epoxy- or urethane dimethacrylate (UDMA)-based sealer (plus core material). Samples were then prepared for measuring Wf, MPSS or VRF using standard test procedures. Data were analyzed using one-way anova with significance set at P < 0.05. For all three tests, root canals filled using epoxy resin-based sealer were not statistically significantly different compared with UDMA resin (P = 1 for Wf, P = 0.7 for MPSS and P = 0.12 for VRF), or different from both sound and prepared dentine (P > 0.05). There was also no significant difference between sound dentine and prepared dentine for both Wf (P = 0.92) and resistance to VRF (P = 1). Neither epoxy nor UDMA resins used as sealer cements enhanced fracture resistance of root dentine when placed within root canals of extracted teeth.

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Citations

Jun 6, 2012·International Journal of Dentistry·Khalid H AlsamadaniEl-Sayed Gad
Aug 10, 2012·Journal of Conservative Dentistry : JCD·Chandra Vijay SinghV Chandrashekar
Apr 21, 2012·Journal of Endodontics·Handan ErsevFehmi Raif Erişen
Jul 27, 2011·Journal of Endodontics·Jeanne MonteiroPavan Kumar Chandra
Apr 27, 2010·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Meriç Karapinar-KazandağGündüz Bayirli
Jul 21, 2009·Dental Materials : Official Publication of the Academy of Dental Materials·Angsana JainaenHarold H Messer
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May 19, 2019·Clinical Oral Investigations·Manuel ToledanoRaquel Osorio
Feb 23, 2010·Journal of Endodontics·Young Kyung KimFranklin R Tay
Nov 6, 2018·Journal of Endodontics·Sittichoke OsiriKallaya Yanpiset

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