Oral Ana Midterm

Front

Are the following statements true or false?
Statement 1: The mesial slope of the buccal cusp of a maxillary first PM is rather straight and shorter than the distal cusp slope.
Statement 2: As a result, the buccal cusp tip is shifted mesial to a line bisecting the buccal surface of the crown.

Back

1 & 2 are false

Front

If a maxillary PM possesses two roots, which of the ff explains their positioning? One buccal, one lingual; One mesial, one distal; Usually fused; all of the above

Back

One buccal, one lingual

Front

A deep developmental depression exists on which of the ff surfaces of the maxillary first PM? Buccal, Lingual, Mesial, Distal

Back

Mesial

Front

Length of the root of the maxillary second PM

Back

14mm

Front

At what age does the maxillary second PM begin eruption?

Back

10 to 12 years

Front

Mandibular PM bear close resemblance with mandibular canines in the following, EXCEPT: slopes of the buccal cusp ridge, morphology of the root, all of the above

Back

length of the crown

Front

maxillary 1st PM is different from mandibular 1st PM because, maxillary 1st PM has the presence of:

Back

none of the above

Front

Which of the following teeth is least likely to have roots that are fused together to act as one, tapered root? maxillary first molar, maxillary second premolar, maxillary third molar, all are equally likely to have fused roots

Back

maxillary first molar

Front

Distobuccal cusp of the permanent maxillary first molar, when compared with mesiobuccal cusps is described to be:

Back

smaller

Front

the roots of the permanent maxillary molars share a common root base which is called:

Back

trunk