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Medical Mcqs — Test 18

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Question 1
Residual monomer content of chemically activated resins is______________?
Question 2
The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is____________?
Question 3
Etching depth after 30 sec for orthodontic bracket with orthophosphoric acid is_________________?
Question 4
During polymerisation of acrylic resin, above what temperature benzoyl peroxide form freeradicals_______________?
Question 5
Etchant preferred in gel from than in liquid form________________?
Question 6
Which of the following is NOT true of polymethyl methacrylate ?
Question 7
The % of free monomer in a heat – cured acrylic resin is_______________?
Question 8
What is the disadvantage of using composites as restorative material ?
Question 9
Acrylic resins were first introduced as a denture base material in______________?
Question 10
Marginal leakage related to temperature change occurs to the greatest extent with_______________?