Question 1

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

Question 2

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 3

The process of directing occlusal forces through the long axis of the teeth is known as axial:

Options :

A : Dissipation

B : Alignment

C : Tripodization

D : Loading

Answer: D

Question 4

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 5

If a ceramic crown repeatedly fractures on the facial incisal of tooth #8. the MOST likely cause is tooth preparation with which of the following?

Options :

A : Rounded incisal edge

B : Minimal chamfer finish line

C : Nearly uniform reduction of 1.5 mm

D : Taper of 8 degrees

Answer: B

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