Question 1

What minimum distance is needed between an implant and the root of a tooth in order to keep the tooth's bony attachment intact and prevent horizontal bone loss?

Options :

A : mm

B : mm

Answer: B

Question 2

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 3

Using the principles of golden proportion, the ideal width of a central incisor should be what percent of its length?

Options :

A : 65% - 69%

B : 70% - 74%

C : 75% - 79%

D : 80% - 84%

Answer: A

Question 4

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 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