DH105 Dental Anatomy Quiz #3 Module 4

A "+" groove pattern on the occlusal surface identifies the tooth as the:

Mandibular second permanent molar

From which view is only one root visible on an extracted mandibular first molar?

(think about which root is larger and hides the other root)

Mesial

The two grooves that are found on the buccal surface of the mandibular first molars are the mesiobuccal and ___________?

Distobuccal

Of the following, which cusp is the smallest cusp on permanent maxillary molars (NOT including the Cusp of Carabelli)?

Distolingual

Found only on the permanent maxillary molars, what is the name of the ridge formed by the distal cusp ridge of the mesiolingual cusp and the triangular ridge of the distobuccal cusp?

Oblique

The cusp of Carabelli is located on which cusp of the maxillary first molar

Mesiolingual

Where are furcations located on the roots of maxillary molars?

1 on the buccal, 1 on the mesial lingual, and 1 on the distal lingual

Where are furcations located on the roots of permanent mandibular molars?

1 on the buccal surface and 1 on the lingual surface

An 8 year old child has how many teeth in their mouth (primary and permanent)?

24

During what age span are primary teeth in the process of erupting (emerging) into the mouth, known as primary dentition?

6 months to 2 years

In the normal dentition, humans have how many non-succedaneous teeth?

12

Primary molars differ from permanent molars in that primary molars have:

Greater divergence of roots

The permanent mandibular central incisors erupt at age:

6 to 7 years

Using the Universal number or letter, which tooth erupts just distal to primary tooth J?

Tooth #14 maxillary left permanent first molar

Which primary tooth does not resemble any permanent tooth?

Mandibular first molar