3chap

What should the shade of the posterior teeth be in harmony with?

• The shade of the anterior teeth

• The shade of the gums

• The shade of the tongue

• The shade of the lips

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

• To enhance cheek support

• To decrease denture stability

• To reduce stresses transmitted to supporting structures

• To increase size of occlusal table

What is the purpose of reducing the size of occlusal table in artificial teeth?

• To increase lateral forces

• To enhance denture stability

• To reduce stresses on supporting structures

• To decrease masticatory efficiency

What should the length of maxillary bicuspids be esthetically in harmony with?

• The length of the upper canines

• The length of the upper molars

• The length of the lower molars

• The length of the lower canines

Where should the number of artificial teeth be placed to avoid dislodging forces?

• On inclined plane of the ridge

• On the tuberosity

• On the ascending area of the mandible

• Between the distal of the canine and prominence of the tuberosity

Which form of posterior teeth is indicated in cross bite ridge relationships and TMJ problems?

• Non anatomic form

• Cusped teeth

• Modified anatomic form

• Anatomic form

What is the advantage of using cusped teeth in complete dentures?

• Improve masticatory efficiency

• Decrease the esthetics requirements

• Decrease rate of bone resorption

• Decrease lateral forces

Which material consists of an unfilled, highly cross-linked, inter-penetrating polymer network?

• Acrylic resin teeth with amalgam stops

• Porcelain

• Acrylic resin

• IPN resin

What is a property of acrylic resin teeth that makes them less harmful to the underlying supporting tissues?

• Easily scratched

• Noisy in use

• Resiliency

• High specific gravity

What is the effect of porcelain teeth on the underlying tissues?

• Harmless

• Harmful

• No clicking sound

• Mechanical union with denture base