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

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 3

During occlusal equilibration, the general rule to correct an anterior slide is to reduce the:

Options :

A : lingual inclines of the uppers or the buccal incline of the lowers.

B : mesial inclines of the uppers or the distal inclines of the lowers.

C : distal inclines of the uppers or the mesial inclines of the lowers

D : distal inclines of the uppers or the buccal inclines of the lowers.

Answer: C

Question 4

A patient would like to brighten her smile in addition to restoring her missing tooth #8. however, she is not interested in dental implants. She would also like to close the spaces between her existing teeth. Unfortunately, due to financial concerns she can only restore teeth ##7-10. Reviewing the photograph above, how would you achieve golden proportion?

Options :

A : Fabricating a three-unit bridge and a single veneer on tooth #10 will easily achieve golden proportion

B : In office bleaching along with direct bonding on teeth ##7, 9, and 10, and a Maryland bridge to replace tooth #8 will easily achieve golden proportion

C : Direct resin bonding in conjunction with a removable partial denture will achieve golden proportion

D : It is impossible to achieve golden proportion unless more teeth are restored

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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