DENTAL MATERIAL

which ov the following material gives bactericidal effect
a zinc
b silica
c copper
d aluminuim

which ov the following cement contains silicyclates as aromatic ligands
a zinc oxide eugenor cement
b zinc phosphate cement
c calcium hydroxide cement
d ortho-ethobenzoic acid cements
e polycarboxylate cements

which of the following constituents in Dental amalgam is responsible to provide luster
a silver
b tin
c palladium
d indium
e mercury

In zinc oxide-noneugenol cement eugenol is replaced by
a polyacrylic acid
b poly acid
c polycarboxlic acid
d carboxylic acid
e orthoexthoxy benzoic acid

The setting reaction of zinc oxide/eugneol cements involves
a chelation of two eugenol molecules with one zinc ion
b chelation of one eugenol molecule with one oxide ion
c chelation of two zinc molecules with one eugenol ion
d chelation of one eugenol molecule with one zinc ion

which of the follwowing statement is correct for the physical & mechanical properties of Composites
a macrofilled > hybrid~small particle >macrofilled
b small particle~hybrid > macrofilled > microfilled
c small particle~hybrid < macrofilled < microfilled
d microfilled < small particle < macrofilled




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