CDT CDT Complete Denture Fabrication 2

Question 1

What is the 'try-in' appointment in complete denture fabrication designed to verify?

Accepted Answer

Tooth arrangement, occlusion, esthetics, and phonetics before final processing

Answer

The final polish and finish of the acrylic base

Answer

The accuracy of the master cast

Answer

The strength of the acrylic after processing

Question 2

What is 'processing shrinkage' in acrylic denture fabrication, and how is it managed?

Accepted Answer

Dimensional contraction of acrylic during polymerization; managed by using proper packing and curing cycles

Answer

Dimensional expansion of acrylic during curing; managed by using a slower heat cure

Answer

Porosity in the acrylic base; managed by adding monomer

Answer

Discoloration of acrylic over time; managed by polishing

Question 3

What is the purpose of 'festooning' the denture wax prior to processing?

Accepted Answer

To carve the wax to simulate natural gingival contours and root prominences

Answer

To add extra wax for strength

Answer

To create retention for the artificial teeth

Answer

To mark the midline and lip support area

Question 4

Which acrylic resin polymerization method produces the least porosity in a complete denture base?

Accepted Answer

Heat-cured acrylic processed in a water bath at a controlled long-cure cycle

Answer

Autopolymerizing (cold-cure) acrylic at room temperature

Answer

Microwave-cured acrylic

Answer

Light-cured urethane dimethacrylate

Question 5

What is the 'neutral zone' concept in complete denture construction?

Accepted Answer

The space where forces from the tongue and cheeks/lips balance, used to position denture teeth

Answer

The area of the palate with no tissue contact

Answer

The midline of the denture

Answer

The post-dam area at the posterior of the upper denture

Question 6

What type of occlusal scheme is most commonly recommended for complete denture patients to maximize stability?

Accepted Answer

Lingualized occlusion or balanced occlusion

Answer

Group function occlusion

Answer

Canine-guided occlusion

Answer

Edge-to-edge occlusion