Effects of designs of Class 2 preparations on resistance of teeth to fracture.

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dc.contributor.authorDang, Nen_US
dc.contributor.authorMeshram, G Ken_US
dc.contributor.authorMittal, R Ken_US
dc.date.accessioned2009-05-28T07:49:57Z
dc.date.available2009-05-28T07:49:57Z
dc.date.issued1997-07-01en_US
dc.description.abstractThis study was designed to evaluate the effect of isthmus width on the strength of the remaining tooth structure in maxillary first premolars restored with class 2 silver amalgam restorations. One hundred ten sound maxillary first premolars freshly extracted as a part of orthodontic treatment were collected. The teeth were then divided into 10 groups of 11 teeth each. Ideal class 2 mesio-occlusal, disto-occlusal and mesio-occlusodistal cavities with different isthmus widths i.e. one half the intercuspal distance, one third the intercuspal distance and one fourth the intercuspal distance and one fourth the intercuspal distance were prepared. Compressive forces were applied using a Universal Testing Machine and load to the point of fracture was determined. Intact teeth produced the best tooth fracture resistance i.e. 105.4 MPa, followed by preparations with isthmus width of one fourth, one third and one half intercuspal distance in the order.en_US
dc.description.affiliationDepartment of Operative Dentistry, Govt. Dental College, Rohtak, India.en_US
dc.identifier.citationDang N, Meshram GK, Mittal RK. Effects of designs of Class 2 preparations on resistance of teeth to fracture. Indian Journal of Dental Research. 1997 Jul-Sep; 8(3): 90-4en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/51737
dc.language.isoengen_US
dc.source.urihttps://www.ijdr.inen_US
dc.subject.meshBicuspiden_US
dc.subject.meshDental Amalgam --classificationen_US
dc.subject.meshDental Caries --therapyen_US
dc.subject.meshDental Occlusionen_US
dc.subject.meshDental Prosthesis Designen_US
dc.subject.meshHumansen_US
dc.subject.meshMaterials Testing --methodsen_US
dc.subject.meshMaxillaen_US
dc.subject.meshTensile Strengthen_US
dc.subject.meshTooth Fractures --etiologyen_US
dc.titleEffects of designs of Class 2 preparations on resistance of teeth to fracture.en_US
dc.typeIn Vitroen_US
dc.typeJournal Articleen_US
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