Morphology Quiz

Premolars and Molars are use for ...... food.

• Grinding

• Tearing

• Cutting

• All of the above

Permanent maxillary molars have ...... roots

• 1

• 2

• 3

• 4

In the Universal Numbering System, the permanent maxillary premolars are

• 26-16-46-36

• 14-15-25-24

• 45-44-35-34

• 13-14-23-24

There are....... teeth in a quadrant of the primary dentition.

• 4

• 6

• 8

• 5

Answer explanation

There 6 in a quadrant of primary dentition:

1 central incisor

1 lateral incisor

1 canine

1 premolar ( no first premolar )

2 molar.

How many canines are in a quadrant of permanent dentition?

• 1

• 2

• 3

• 4

Answer explanation

A quadrant in permanent dentition:

-1 central incisor

-1 lateral incisor

-(1 canine )

-1 premolar : first and second

-3 molar : first, second and third or wisdom.

There are....... molars in the permanent dentition.

• 8

• 12

• 16

• 15

The...... often appear as a developmental anomaly, differing in size, shape, contour, and relative position.

• Maxillary central incisor

• Mandibular incisor

• Maxillary and Mandibular third molar

• Maxillary first molar

The difference(s) between the maxillary and mandibular central incisor is ( are )

• Maxillary central incisor are larger than the mandibular central incisors in all dimension.

• Labial surfaces of the maxillary central incisor are more rounded from the incisal aspect than those of the mandibular central incisors.

• Cingulum in less prominent on the maxillary central incisors than the cingulum on the mandibular central incisors.

• Both A and B

The cusp of Carabelli is found on the

• Premolars

• Central incisors

• Maxillary first molars

• Maxillary second molars

The mandibular lateral incisors are:

• Larger than the maxillary lateral incisors

• Larger than the mandibular central incisors

• Larger tham the mandibular canines

• Smaller than the mandibular central incisor