A. Dentin
B. Enamel
C. Amalgam
D. Composite Resin
Related Mcqs:
- Which cement base has the highest modulus of elasticity ?
A. Zinc polycarboxylate
B. Polymer reinforced ZOE cement
C. Zinc phosphate
D. Glass inomer cement - Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?
A. Fracture of the wire
B. permanent deformation
C. Spring back
D. Increase in stiffness - The modulus of elasticity is defined as_______________?
A. The stress at the proportional limit
B. The strain at the proportional limit
C. The stress/strain ratio within the proportional limit
D. None of the above - Modulus of elasticity means_______________?
A. Rigidity or stiffness of the material
B. Ability to be stretched with permanent deformation
C. Ductility of a material
D. Malleability of the metal - For dental amalgam, the elastic modulus and tensile strength is______________?
A. 40 Gpa and 60 – 100 Mpa
B. 21 Gpa and 27 – 55 Mpa
C. 350 Gpa and 10 – 120 Mpa
D. 360 Gpa and 125 – 130 Mpa - Creep value of which of the following is the highest ?
A. Low copper amalgam alloy
B. Admix alloy
C. Single composition alloys
D. Creep value of all the above mentioned alloys is same - Which of the following fuel gases used for soldering, has the highest heat content______________?
A. Hydrogen
B. Natural gas
C. Acetylene
D. Propane - Which one of the following categories of dental materials has the highest thermal conductivity_________________?
A. Unfilled acrylic plastics
B. Gold alloys
C. Porcelains
D. Zinc phosphate cements - Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
A. IgA
B. IgD
C. IgG
D. IgM - Which of the following dentitions shows the highest frequency of ocurrence of supernumerary teeth ?
A. Maxillary deciduous dentition
B. Maxillary permanent dentition
C. Mandibular deciduous dentition
D. Mandibular permanent dentition