Denture Soft Liners and Artificial Teeth Quiz

What are the two main families of polymers used commercially as soft liners?

• Acrylics and Silicones

• Rubber and Metal

• Plastics and Ceramics

• Fiberglass and Carbon Fiber

Which type of plasticizer used in soft acrylic liners is unbound to the acrylic and can diffuse out during use?

• Composite plasticizer

• Intrinsic plasticizer

• Reactive plasticizer

• Extrinsic plasticizer

What is the greatest drawback of Room Temperature Vulcanizing (RTV) silicon soft liners?

• Good adhesion to acrylic base

• High tear strength

• Resistance to cleansers

• Low bond strength to dentures

What is the main advantage of Tissue Conditioners in dentures?

• Good adhesion to acrylic base

• High tear strength

• Ideal viscoelastic properties

• Resistance to cleansers

Which type of artificial teeth is light in weight and has low density?

• Acrylic teeth

• Porcelain teeth

• Ceramic teeth

• Metal teeth

What is the main disadvantage of Porcelain teeth compared to Acrylic teeth?

• Low hardness/wear

• Low staining

• Low impact strength

• High wear resistance

Which type of artificial teeth is more likely to fracture due to brittleness?

• Porcelain teeth

• Acrylic teeth

• Ceramic teeth

• Metal teeth

What is the main advantage of Acrylic teeth over Porcelain teeth?

• High hardness/wear

• High staining

• High wear resistance

• High impact strength

What is the main disadvantage of Acrylic teeth compared to Porcelain teeth?

• Low staining

• Low wear resistance

• Low impact strength

• Low hardness/wear

Which type of soft liner is ideal for diabetic patients due to its resilience?

• Silicon soft liner

• Tissue conditioner

• Metal liner

• Acrylic soft liner