Quiz on Selection of Posterior Artificial Teeth

What should be the shade of the posterior teeth in relation to the anterior teeth?

• Same shade

• Slightly lighter

• Slightly darker

• Completely different shade

Why should the artificial teeth be smaller in buccolingual dimension than natural teeth?

• To increase size of occlusal table

• To decrease denture stability

• To reduce stresses transmitted to supporting structures

• To enhance cheek support

What is the effect of broader teeth on the tongue space?

• Enhance denture stability

• Lead to instability of the denture

• Improve masticatory efficiency

• Reduce lateral forces

Where should the number of artificial teeth be less than natural teeth?

• On the distal of the canine

• On the prominence of the tuberosity

• On ascending area of the mandible

• On inclined plane of the ridge

In which ridge relationship is the non-anatomic form of posterior teeth indicated?

• Normal ridge relationship

• Cross bite ridge relationships

• Hysterical patients

• TMJ problems

What is the advantage of using acrylic resin teeth in complete dentures?

• Decrease lateral dislodging forces

• Reduce the esthetics requirements

• Increase rate of bone resorption

• Improve masticatory efficiency

What is the specific gravity of porcelain teeth compared to acrylic teeth?

• Equal

• High

• Low

• Depends on the size

Which material maintains the vertical dimension of occlusion better?

• Neither

• Both equally

• Porcelain teeth

• Acrylic teeth

What is the effect of porcelain teeth on underlying tissues?

• Harmless

• Harmful

• Depends on the fit

• No effect

How is the union with the denture base achieved in acrylic teeth?

• None

• Both

• Mechanical by pins or undercut holes

• Chemical