AACD practice questions, page 4 of 6, with answer review and explanations.
Question 16
When viewing the maxillary six anterior teeth in a frontal view, the ideal gingival zenith for these six teeth can BEST be described by which following statement?
The gingival zenith is at the midpoint of each of the maxillary six anteriors
Distal to the long access of the cuspids and along the long access of the centrals and laterals
Sistal to the long axis of the centrals and cuspids and along the long axis of the laterals
The gingival zenith is distal to the long axis of all maxillary six anterior teeth
Question 17
When one attempts to clinically shade match a restoration to the existing dentition, which of the following is MOST correct?
Take photographs outside in direct sunlight
Select value in overcast daylight or shade
Light source is non-contributory
Use a blue patient drape for color correction
Question 18
Fluorescence as it relates to teeth is:
Generally observed in the blue/green spectrum.
The absorption and spontaneous emission of light.
The scattering of transmitted light.
Most often evident at incisal edges of incisors.
Question 19
How can a tooth that is too wide be made to look more narrow?
Move the line angles laterally
Increase the facial embrasures
Move the proximal contacts labially
Highlight the texture with horizontal lines
Question 20
The teeth that typically exhibit the greatest variation in symmetry with the contralateral teeth are the maxillary: