NEET MDS Shorts
69190
Dental MaterialsFins or spines may be produced on a casting because of 1.cracks in the investment 2. too rapid heating of the mold 3. steam production which causes the walls of the mold to flake off
76422
Dental MaterialsUse zinc free alloy in children with more salivation
61807
Dental Materials
The acidic monomer helps to dissolve the smear layer for better penetration and bonding.
20797
Dental Materials
Zinc polycarboxylate cement was formulated to have the strength of zinc phosphate and the biological acceptability of zinc oxide-eugenol cements, with the added advantage of chemical bonding to tooth structure.
55873
Dental MaterialsFerrite and austenite are soft and ductile
65418
Dental MaterialsA zinc-containing amalgam that has been contaminated by moisture will result in delayed expansion and reduced compressive strength
58154
Dental Materials
Argon lasers emit light in the green-blue spectrum, with wavelengths between 488 and 514.5 nm, which are absorbed well by pigmented tissues like hemoglobin and melanin, making them useful for soft tissue procedures.
77194
Dental Materials
Bis-GMA undergoes a free radical addition polymerization reaction with a shrinkage of about 1-2%, forming a highly rigid cross-linked setting material.
80434
Dental MaterialsThe working time for a polysulfide impression material can be safely and effectively increased by cooling the mixing slab to a temperature above the dew point
12925
Dental MaterialsOptimum strength of alginate gels is obtained by recommended W/P ratio