Medical MCQs

5099 MCQs  (Page 49 of 510)

The type of spatula used to mix composite is________________?
A. Plastic
B. Stainless steel
C. Iron
D. None of the above
Bonding of composite resins to tooth structure is by________________?
A. Covalent bond
B. Ionic bond
C. Mechanical
D. Vanderval forces
Light cure system, side effect is____________?
A. Iritis
B. Cataract
C. Conjunctivitis
D. Retinal damage
In heat cure denture base acrylic resins the monomer is___________?
A. 1. methacrylate
B. 2. ethylmethacrylate
C. 3. methyl ethyl methacrylate
D. 4. polymethylmethacrylate
Which of the following inhibitor accelerator system uses light activation composite ?
A. Diketone-amine
B. Organic acid-metal oxide
C. Organic acid-peroxide
D. Peroxide-amine
Hydroquinone is added to methyl methacrylate monomer_________________?
A. To prevent polymerization during storage
B. To initiate release of free radicalls
C. To enable polymerization reaction at room temperature
D. All of the above
Cross linking in denture base resin is contributed by_____________?
A. Glycol dimetharylate
B. Benzoyl peroxide
C. N-para toluidine
D. Methyl methacrylate