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ARTICLE
Year : 1993  |  Volume : 5  |  Issue : 1  |  Page : 15-21

Fracture resistance of intact and endodontically prepared human mandibular molars restored with three different combination of restorative materials - An in-vitro study


1 Assistant Professor, Dept. of Conservative Dentistry & Endodontics, A.B. Shetty Memorial Institute of Dental Sciences, Mangalore, India
2 Professor & Head, Dept. of Conservative Dentistry & Endodontics, A.B. Shetty Memorial Institute of Dental Sciences, Mangalore, India

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-7212.351534

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An in vitro study was designed to compare the cuspal fracture resistance of intact and endodontically prepared mandibular molars restored with different combination of restorative materials. All specimen teeth were subjected to a compressive load in a Hounsfield Tensometer. Teeth restored with composite resin after etching and bonding over a glass ionomer pulpal chamber restoration to the pulpal floor level, fractured to a higher compressive load than any other restorative material in the study. Teeth with MOD cavity preparation restored with amalgam over a composite resin pulp chamber restoration showed the least compressive strength.


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