Denture Base Quiz

What is the main function of the denture base?

• Speech improvement

• Chewing food

• Support and retain artificial teeth

• Jaw alignment

Which of the following is NOT a requirement of denture bases?

• Chemical stability

• Satisfactory thermal properties

• Strength and durability

• High cost

What is the advantage of metallic denture bases over non-metallic ones?

• Esthetic appearance

• Lightweight

• High mechanical properties

• Easy fabrication

What is the purpose of the initiator in heat-cured acrylic denture base materials?

• To improve color stability

• To prevent premature polymerization

• To increase flexibility

• To enhance adhesion

Which stage of the mixing process for heat-cured acrylic denture base materials is characterized by a stringy and sticky texture?

• Stringy stage

• Rubbery stage

• Sandy stage

• Dough stage

What is the purpose of bench cooling after curing the denture base?

• To improve adhesion

• To speed up the cooling process

• To release internal stresses

• To increase porosity

What is the main advantage of chemical-cured acrylic resins?

• Dimensional accuracy

• High mechanical properties

• Color stability

• Rapid fabrication

What is the disadvantage of light-cured acrylic resins compared to heat-cured ones?

• Higher mechanical properties

• Short processing time

• Lower rate of polymerization

• No MMA monomer

What is the purpose of rubber inclusion in high impact acrylic resins?

• To increase porosity

• To enhance adhesion

• To improve color stability

• To inhibit crazing

Which type of denture base material is an alternative to metal dentures?

• Light cured acrylic resins

• Injection molded plastics

• Fiber reinforced denture base

• High impact acrylic resins