Effect of enamel preparations on fracture resistance of composite resin buildup of fractures involving dentine in anterior bovine teeth: an in vitro study.

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dc.contributor.authorGandhi, Ken_US
dc.contributor.authorNandlal, Ben_US
dc.date.accessioned2006-06-11en_US
dc.date.accessioned2009-06-02T09:29:44Z
dc.date.available2006-06-11en_US
dc.date.available2009-06-02T09:29:44Z
dc.date.issued2006-06-11en_US
dc.description.abstractSixty bovine teeth with simulated mesio-incisal angle fracture were randomly and equally divided in one untreated (control) group and three experimental groups (Bevel, Chamfer and newly introduced Stair-step Chamfer preparation group) to evaluate the effect of enamel preparations on the fracture resistance of composite resin. Post restoration, fracture mechanics approach was used to quantify the failure of composite resins in testing the samples in Instron testing machine. Mean peak failure load (Newton) of composite amongst experimental groups was observed in the order; Chamfer (326.09 +/- 72.73), Stair-step chamfer (315.21 +/- 81.77) and Bevel (253.83 +/- 67.38). Results of the One-Way ANOVA revealed significant difference in the mean peak failure load values of the four different groups. (P<0.001) Scheffe's Post-Hoc comparison test (Subset for alpha = 0.05) revealed that there was no significant difference in the mean peak failure load values of the bevel, stair-step chamfer and chamfer preparation when considered together, but the mean peak values of control group (605.22 +/- 48.96) were observed significantly higher. Failure mode evaluation revealed, majority of failures occurred as cohesive and mixed type for all the experimental groups. Adhesive type failure was observed maximum (33%) in the bevel group. Stair-step chamfer preparation showed greatest potential for application and use as it no only demonstrated comparable values to Chamfer preparation ['t' value (0.39) (P > 0.05)] but also involved sacrificing less amount of tooth structure adjacent to fractured edge.en_US
dc.description.affiliationDepartment of Pedodontics and Preventive Dentistry, JSS Dental College and Hospital, Mysore - 570 015, Karnataka, India.en_US
dc.identifier.citationGandhi K, Nandlal B. Effect of enamel preparations on fracture resistance of composite resin buildup of fractures involving dentine in anterior bovine teeth: an in vitro study. Journal of the Indian Society of Pedodontics and Preventive Dentistry. 2006 Jun; 24(2): 69-75en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/114935
dc.language.isoengen_US
dc.source.urihttps://medind.nic.in/jao/jaoaj.shtmlen_US
dc.subject.meshAnimalsen_US
dc.subject.meshBisphenol A-Glycidyl Methacrylate --chemistryen_US
dc.subject.meshCattleen_US
dc.subject.meshComposite Resins --chemistryen_US
dc.subject.meshDental Bondingen_US
dc.subject.meshDental Enamel --injuriesen_US
dc.subject.meshDental Restoration Failureen_US
dc.subject.meshDental Restoration, Permanent --methodsen_US
dc.subject.meshDental Stress Analysis --instrumentationen_US
dc.subject.meshDentin --injuriesen_US
dc.subject.meshPhosphoric Acid Esters --chemistryen_US
dc.subject.meshRandom Allocationen_US
dc.subject.meshStress, Mechanicalen_US
dc.subject.meshTemperatureen_US
dc.subject.meshTime Factorsen_US
dc.subject.meshTooth Fractures --pathologyen_US
dc.subject.meshTooth Preparation --methodsen_US
dc.subject.meshWater --chemistryen_US
dc.titleEffect of enamel preparations on fracture resistance of composite resin buildup of fractures involving dentine in anterior bovine teeth: an in vitro study.en_US
dc.typeJournal Articleen_US
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