Fracture Resistance of Roots Filled With Bio-Ceramic and Epoxy Resin-Based Sealers: In Vitro Study

Objective: This study aimed to assess the resistance of roots to fracture after being root canal filled with two types of endodontic sealers; bio-ceramic based sealer (TotalFill) and epoxy-resin based sealer (AH Plus). Methods: Fifty-nine single canal mandibular premolars were instrumented. Group I (n=14, negative control): root canals were left without instrumentation and unfilled, group II (n=15, positive control): root canals were instrumented only and left unfilled, group III and IV (n=15 each): root canals were instrumented and filled with either gutta-percha/TotalFill or gutta-percha/AH Plus, respectively. The resistance of the roots to fracture was measured with a universal testing machine “Instron Corp” through recording the maximum force in Newton (N) needed to fracture each root. To analyze the data Kruskal–Wallis test was utilized, followed by Dunn’s Bonferroni post hoc test for multiple comparisons. The level of significance was set at 0.05 (P≤0.05). Results: TotalFill group showed slightly better fracture resistance (734.62 N) than AH Plus group (728.29 N). However, no statistical significant difference was found between the two groups (P>0.05). The greatest mean fracture force was shown in the negative control group (913.915 N) with statistical significant difference between the other three groups (P<0.05). Conclusion: Gutta-percha/TotalFill and gutta-percha/AH Plus did not reinforce the root canal treated teeth.

[1]  T. Brosh,et al.  Circumferential root strains generated during lateral compaction with stainless steel vs. nickel‐titanium finger spreaders , 2018, European journal of oral sciences.

[2]  Ajinkya M. Pawar,et al.  Influence of root canal obturation using gutta-percha with three different sealers on root reinforcement of endodontically treated teeth. An in vitro comparative study of mandibular incisors , 2017, Journal of conservative dentistry : JCD.

[3]  M. Kharazifard,et al.  Fracture Resistance of Roots after Application of Different Sealers , 2017, Iranian endodontic journal.

[4]  Z. A. Che Ab Aziz,et al.  Bioceramic-Based Root Canal Sealers: A Review , 2016, International journal of biomaterials.

[5]  Seema K. Dixit,et al.  Evaluation of fracture resistance of roots obturated with resilon and thermoplasticized gutta-percha: An in vitro study , 2014, Journal of conservative dentistry : JCD.

[6]  H. Arslan,et al.  In vitro fracture resistance of roots obturated with epoxy resin-based, mineral trioxide aggregate-based, and bioceramic root canal sealers. , 2013, Journal of endodontics.

[7]  Nima Moradi Majd,et al.  Fracture Resistance of Root Canals Obturated with Gutta-Percha versus Resilon with Two Different Techniques , 2013, Iranian endodontic journal.

[8]  E. Nagas,et al.  Effect of ethylenediaminetetraacetic acid on root fracture with respect to concentration at different time exposures. , 2012, Journal of endodontics.

[9]  B. Sağsen,et al.  Resistance to fracture of roots filled with different sealers. , 2012, Dental materials journal.

[10]  T. Okiji,et al.  Uptake of calcium and silicon released from calcium silicate-based endodontic materials into root canal dentine. , 2011, International endodontic journal.

[11]  A. Ghoneim,et al.  Resistance to fracture of roots obturated with novel canal-filling systems. , 2011, Journal of endodontics.

[12]  D. Hess,et al.  Retreatability of a bioceramic root canal sealing material. , 2011, Journal of endodontics.

[13]  F. Tay,et al.  Setting properties and cytotoxicity evaluation of a premixed bioceramic root canal sealer. , 2011, Journal of endodontics.

[14]  M. Gümüşderelioğlu,et al.  Effect of low-surface-tension EDTA solutions on the wettability of root canal dentin. , 2011, Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics.

[15]  B. Peng,et al.  Assessment of a new root canal sealer's apical sealing ability. , 2009, Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics.

[16]  P. Wesselink,et al.  The effects of canal preparation and filling on the incidence of dentinal defects. , 2009, International endodontic journal.

[17]  J. Marshall,et al.  An evaluation of Guttaflow and gutta-percha in the filling of lateral grooves and depressions. , 2008, Journal of endodontics.

[18]  M. Sarıkanat,et al.  The effect of spreader size on fracture resistance of maxillary incisor roots. , 2007, International endodontic journal.

[19]  H. Messer,et al.  Penetration of dentinal tubules by endodontic sealer cements in extracted teeth and in vivo. , 2007, International endodontic journal.

[20]  O. Er,et al.  Resistance to fracture of roots filled with three different techniques. , 2007, International endodontic journal.

[21]  A Versluis,et al.  Changes in compaction stress distributions in roots resulting from canal preparation. , 2006, International endodontic journal.

[22]  V. Karbhari,et al.  The effect of fiber insertion on fracture resistance of endodontically treated molars with MOD cavity and reattached fractured lingual cusps. , 2006, Journal of biomedical materials research. Part B, Applied biomaterials.

[23]  Richard S Schwartz,et al.  Post placement and restoration of endodontically treated teeth: a literature review. , 2004, Journal of endodontics.

[24]  D. Pashley,et al.  Adhesion of endodontic sealers to dentin and gutta-percha. , 2002, Journal of endodontics.

[25]  H. Messer,et al.  Effects of root canal sealers on vertical root fracture resistance of endodontically treated teeth. , 2002, Journal of endodontics.

[26]  K Gulabivala,et al.  Effect of sodium hypochlorite on mechanical properties of dentine and tooth surface strain. , 2001, International endodontic journal.

[27]  M. Apicella,et al.  A comparison of root fracture resistance using two root canal sealers. , 1999, International endodontic journal.

[28]  G W Marshall,et al.  Dentin: microstructure and characterization. , 1993, Quintessence international.

[29]  T. M. Payne,et al.  Restoring endodontically treated teeth. Two different post systems. , 1992, The New York state dental journal.

[30]  R. White,et al.  The influence of the smeared layer upon dentinal tubule penetration by plastic filling materials. , 1984, Journal of endodontics.