4- Polymer Synthesis

Question 1

Side Reactions During Free Radical Polymerization Termination

Answer 1

Combination
Disproportionate on (double bond forms at 1 polymer, H at other)
Chain transfer
H transfer

Question 2

Advantages of Acrylate Resins (Methacrylate)

Answer 2

Insoluble in oral environment
Easy to manipulate
Extremely stable

Question 3

Disadvantages of Acrylate Resins (Methacrylate)

Answer 3

Poor wear resistance

Shrinking during curing

Question 4

Factors Affecting Depth of Cure

Answer 4

Exposure time
Light intensity
Size of monomers (large monomers do not polymerize easily)
Distance between light source and composite
Darker shade longer exposure time
Thickness of restoration