Question 1

Proper preparation guidelines for indirect all-porcelain inlay restorations include:

Options :

A : sharp internal angles, rounded cavosurface margins, and 2.0 mm isthmus width

B : depth of at least 1.5 mm, butt joint gingival margins, and rounded internal angles

C : depth of at least 1.5 mm, rounded internal angles, and feather-edge gingival margins.

D : depth of at least 1.0 mm, butt joint gingival margins, and sharp cavosurface margins.

Answer: B

Question 2

How can fracture toughness be described?

Options :

A : A measure of material resistance to rapid crack propagation

B : A quantitative analysis of ceramic wear

C : A poor indicator of a material clinical reliability

D : A recent enhancement by the addition of glass to ceramic materials

Answer: A

Question 3

In what position of the TMJ can the mandible accept firm compressive loading with no signs of tenderness or tension?

Options :

A : Centric relation

B : Centric occlusion

C : Lateral excursion

D : Maximum opening

Answer: A

Question 4

The 19-year-old female pictured above recently had her braces removed. Her orthodontist referred her to you for restorative care. At your introductory appointment photographs and models were taken. In your initial evaluation of this case, which of the statements is correct?

Options :

A : Diagnostic work-up will show this is a good case for Accreditation

B : A diagnostic wax-up is needed to evaluate the restorability of this case

C : Interdisciplinary communication was likely used in this case

D : An implant and four restorations will restore to esthetic proportions

Answer: D

Question 5

Central dominance in dental composition can be increased by:

Options :

A : Narrowing the line angles.

B : Reducing the vertical dimension.

C : Closing the diastema at mid-line.

D : Lowering the value.

Answer: B