6. Which type of clasp engages undercuts?
Retentive claspBracing clasp
Supportive clasp
None of the above
7. What is the primary material used for partial dentures?
Acrylic resinMetal alloy
Composite material
Ceramic
8. What is a common complication of ill-fitting dentures?
Gum irritationTooth decay
Jaw pain
All of the above
9. How often should dentures be cleaned?
Once a weekEvery day
Once a month
Only when needed
10. What is the function of a denture base?
Support artificial teethProvide aesthetics
Distribute occlusal forces
All of the above
11. What does RPD stand for?
Removable Partial DentureRoot Planing Device
Root Partial Denture
Radiographic Positioning Device
12. What is an example of a direct retainer?
Aker claspLingual plate
Denture base
Occlusal rest
13. Which component helps in the retention of a partial denture?
ClaspDenture base
Teeth
All of the above
14. What is the primary purpose of a surveyor?
To evaluate undercutsTo take impressions
To fit dentures
To polish dentures
15. What is the main advantage of using a metal framework in dentures?
Strength and durabilityLightweight
Easier to clean
All of the above