The Effect of a Mineralized Bone Graft on the Surface Microhardness of Mineral Trioxide Aggregate and Biodentine

Introduction: This study was designed to determine the effect of Osteon II mineralized bone powder on the surface microhardness of two retrofilling materials: Mineral trioxide aggregate (MTA) and Biodentine (BD). Methods and Materials: Each retrograde material was mixed and carried into 30 sterile custom-made plastic cylinders. Half of the samples in each group were exposed to Osteon II. All cylinders were submerged in simulated tissue fluid and incubated at 37°C and 100% relative humidity for 7 days. Surface microhardness values of each study group was attained using Vicker’s microhardness test. The data were analyzed statistically using two-way ANOVA and independent t test at a significance level of 0.05. Results: In all the setting conditions, BD had significantly greater surface microhardness than MTA (P<0.001). Surface microhardness of both materials was significantly reduced in the presence of osteon II (P=0.006 for BD and P<0.001 for MTA). Conclusion: Mineralized bone graft materials negatively affect surface microhardness of both MTA and BD. In presence of osteon II, BD had the highest surface microhardness.

[1]  E. Reynolds,et al.  The physical properties and ion release of CPP-ACP-modified calcium silicate-based cements. , 2015, Australian dental journal.

[2]  M. Kaup,et al.  An in vitro study of different material properties of Biodentine compared to ProRoot MTA , 2015, Head & Face Medicine.

[3]  Seema Yadav,et al.  Comparison of physical and mechanical properties of mineral trioxide aggregate and Biodentine. , 2014, Indian journal of dental research : official publication of Indian Society for Dental Research.

[4]  G. Mori,et al.  Biocompatibility evaluation of biodentine in subcutaneous tissue of rats. , 2014, Journal of endodontics.

[5]  A. Elnaghy.  Influence of acidic environment on properties of biodentine and white mineral trioxide aggregate: a comparative study. , 2014, Journal of endodontics.

[6]  E. Kazazoğlu,et al.  A Review on Biodentine, a Contemporary Dentine Replacement and Repair Material , 2014, BioMed research international.

[7]  C. Agarwal,et al.  Effect of addition of 2% chlorhexidine or 10% doxycycline on antimicrobial activity of biodentine , 2014, Journal of conservative dentistry : JCD.

[8]  C. Gay-Escoda,et al.  Materials and prognostic factors of bone regeneration in periapical surgery: A systematic review , 2014, Medicina oral, patologia oral y cirugia bucal.

[9]  D. Damidot,et al.  Investigation of the hydration and bioactivity of radiopacified tricalcium silicate cement, Biodentine and MTA Angelus. , 2013, Dental materials : official publication of the Academy of Dental Materials.

[10]  Ya Shen,et al.  In vitro cytotoxicity evaluation of a novel root repair material. , 2013, Journal of endodontics.

[11]  T. Svec,et al.  Effects of bone graft materials on the microhardness of mineral trioxide aggregate. , 2012, Journal of endodontics.

[12]  F. Basturk,et al.  Microstructure and chemical analysis of blood-contaminated mineral trioxide aggregate. , 2011, International endodontic journal.

[13]  I. M. Hamouda.  Effects of various beverages on hardness, roughness, and solubility of esthetic restorative materials. , 2011, Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.].

[14]  S. Asgary,et al.  Sealing Ability of MTA and CEM Cement as Root-End Fillings of Human Teeth in Dry, Saliva or Blood-Contaminated Conditions , 2010, Iranian endodontic journal.

[15]  A. Saghiri,et al.  Push-out bond strength of mineral trioxide aggregate in the presence of alkaline pH. , 2010, Journal of endodontics.

[16]  P. Dummer,et al.  An evaluation of the effect of blood and human serum on the surface microhardness and surface microstructure of mineral trioxide aggregate. , 2010, International endodontic journal.

[17]  M. Nekoofar,et al.  The effect of various mixing techniques on the surface microhardness of mineral trioxide aggregate. , 2010, International endodontic journal.

[18]  M. Torabinejad,et al.  Mineral trioxide aggregate: a comprehensive literature review--Part III: Clinical applications, drawbacks, and mechanism of action. , 2010, Journal of endodontics.

[19]  M. Torabinejad,et al.  Mineral trioxide aggregate: a comprehensive literature review--part II: leakage and biocompatibility investigations. , 2010, Journal of endodontics.

[20]  M. H. Hungaro Duarte,et al.  Evaluation of pH and calcium ion release of root-end filling materials containing calcium hydroxide or mineral trioxide aggregate. , 2009, Journal of endodontics.

[21]  S. J. Hayes,et al.  The effect of pH on surface hardness and microstructure of mineral trioxide aggregate. , 2007, International endodontic journal.

[22]  S. J. Hayes,et al.  The effect of condensation pressure on selected physical properties of mineral trioxide aggregate. , 2007, International endodontic journal.

[23]  N. Sarkar,et al.  Physicochemical basis of the biologic properties of mineral trioxide aggregate. , 2005, Journal of endodontics.

[24]  S. McClanahan,et al.  Comparative study of white and gray mineral trioxide aggregate (MTA) simulating a one- or two-step apical barrier technique. , 2004, Journal of endodontics.

[25]  C. R. Valois,et al.  Influence of the thickness of mineral trioxide aggregate on sealing ability of root-end fillings in vitro. , 2004, Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics.

[26]  R. Carvalho,et al.  Microhardness of superficial and deep sound human dentin. , 2003, Journal of biomedical materials research. Part A.

[27]  B. Gomes,et al.  A preliminary in vitro study of the incidence and position of the root canal isthmus in maxillary and mandibular first molars. , 2003, International endodontic journal.

[28]  Bradford R. Johnson,et al.  Considerations in the selection of a root-end filling material. , 1999, Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics.

[29]  R. Walton,et al.  Endodontics: Principles and Practice , 1989 .