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Questions and Answers
Which property is particularly important in the process of mastication because many of the forces of mastication are compressive?
Which property is particularly important in the process of mastication because many of the forces of mastication are compressive?
- Impact strength
- Shear strength
- Compressive strength (correct)
- Diametral tensile strength
What should restorative materials have to withstand forces of mastication?
What should restorative materials have to withstand forces of mastication?
- High compressive strength (correct)
- High shear strength
- Low compressive strength
- High diametral tensile strength
Which test should be used for brittle materials to determine the tensile strength property?
Which test should be used for brittle materials to determine the tensile strength property?
- Uniaxial tension test
- Impact strength test
- Diametral compression test (correct)
- Compressive strength test
What type of deformation should materials exhibit primarily for the diametral compression test to be applicable?
What type of deformation should materials exhibit primarily for the diametral compression test to be applicable?
What is important for comparing brittle materials such as dental amalgam, resin composites, and cements?
What is important for comparing brittle materials such as dental amalgam, resin composites, and cements?
What property is important for dental polymer such as flexible impression materials, maxillofacial materials, and resilient denture liners?
What property is important for dental polymer such as flexible impression materials, maxillofacial materials, and resilient denture liners?
Which test determines not only the strength of the material indicated but also the amount of distortion expected?
Which test determines not only the strength of the material indicated but also the amount of distortion expected?
What is the maximum stress that a material can withstand before failure in a shear mode of loading?
What is the maximum stress that a material can withstand before failure in a shear mode of loading?
What type of materials have low resistance to breakage when load is applied by impact?
What type of materials have low resistance to breakage when load is applied by impact?
In which method for measuring impact strength is the specimen supported horizontally at the two ends?
In which method for measuring impact strength is the specimen supported horizontally at the two ends?
In the testing of brittle dental materials, which property is particularly important for comparing materials such as dental amalgam, resin composites, and cements?
In the testing of brittle dental materials, which property is particularly important for comparing materials such as dental amalgam, resin composites, and cements?
Which property should restorative materials have in order to withstand the forces of mastication?
Which property should restorative materials have in order to withstand the forces of mastication?
For which type of material should the diametral compression test be used to determine the tensile strength property?
For which type of material should the diametral compression test be used to determine the tensile strength property?
What type of deformation should materials primarily exhibit for the diametral compression test to be applicable?
What type of deformation should materials primarily exhibit for the diametral compression test to be applicable?
What type of forces are particularly important in the process of mastication, making compressive strength an essential property for restorative materials?
What type of forces are particularly important in the process of mastication, making compressive strength an essential property for restorative materials?
What property is particularly important in comparing denture base materials subjected to biting stress during mastication and in long bridge spans?
What property is particularly important in comparing denture base materials subjected to biting stress during mastication and in long bridge spans?
Which test is used to determine the maximum stress a material can withstand before failure in a shear mode of loading?
Which test is used to determine the maximum stress a material can withstand before failure in a shear mode of loading?
What type of deformation should materials primarily exhibit for the diametral compression test to be applicable?
What type of deformation should materials primarily exhibit for the diametral compression test to be applicable?
What is the minimum force required to initiate tearing of a crescent or trouser shaped specimen known as?
What is the minimum force required to initiate tearing of a crescent or trouser shaped specimen known as?
Which method for measuring impact strength involves supporting the specimen vertically at one end?
Which method for measuring impact strength involves supporting the specimen vertically at one end?
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