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General Features
Specific Traits
100

Which term is used to describe the method by which the teeth of the mandibular arch come into contact with those of the maxillary arch?

Occlusion

100
  • Mandibular molars are usually _________?

Bifrucated

100
  • Which of the following permanent teeth are usually the first to erupt into the oral cavity?

Mandibular first molars

100
  • Which permanent molars is the largest in both dental arches?

First Molar

100

The most common type of Maxillary third molar is the __________.

Heart shaped 

200

In Maxillary molars a/an _______ is a unique feature present on the occlusal table, and never present on the occlusal table of mandibular molars.

Oblique Ridge 

200
  • Which of the following is not a root that can be found on a permanent maxillary molar?
  •      A. Mesial
  •      B. Palatal
         C. Mesiobuccal
         D. Distobuccal

Mesial

200

The eruption of tooth #29 usually occurs between ________ years.

11 and 12

200

The crown outline from an occlusal view of the permanent mandibular first premolar is

Diamond  shaped.

200
  • There are two forms of the ______________ premolar, a three-cusp type and a two- cusp type.

Mandibular second

300

Disturbance in which the tooth does not follow its usual course is,

Ectopic Eruption

300
  • The root of tooth #13 is usually completed between ______ years.

12 and 14

300

Eruption of Permanent Maxillary First Molar

6-7 years

300

All maxillary molars are wider___________; in contrast, the mandibular molars are wider ________?

A. MD than BL; MD

B. BL than MD; MD

C. BL than MD; BL

D. MD than BL; BL

Buccal Lingually then Mesial distal; Mesial distal  

300

All the following are true for Mandibular first premolar except.

  • Crown tilts toward the lingual
  • The crown outline is a diamond
  • Lingual cusp is small, no more than half the height of the buccal cusp.
  • Root completion 10-12 years of age
  • Root completion 10-12 years of age
400

Cusp ridges that descends from the cusp and tip toward the central part of the occlusal table are called:

Triangular ridges

400

Which of the following permanent molars have the highest prevalence of root fusion.

Maxillary second molars

400

Root completion of Permanent Mandibular Second Premolar 

13-14 years

400

The ________ on a mandibular first molar is important in classifying the permanent dentition using the Angle classification of malocclusionin relation to the maxillary arch.

Mesial Buccal Groove

400
  • Which cusp on the permanent maxillary second molar shows the most variability?

Distolingual

500

An elongated developmental depression, especially noted on the mesial surface of the mesial root.

Fluting

500
  • What is the approximate percentage of times that the permanent maxillary first premolar has one root?

20%

500

Root completion of Permanent Mandibular Second Molar

14-15

500

The Mandibular second premolar can have a three-cusp type and a two-cusp type. The three-cusp type has a _______ shaped groove pattern and the two-cusp type has a _____ shaped and ______ shaped groove pattern.

Y shaped

U shape and H shape 


500

Which of the following teeth has a much smaller and nonfunctioning lingual cusp as compared to its buccal cusp?

Permanent second premolars (#13, #4)
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