Chapter 12 test

How many premolars are there in the primary dentition

0

There are ____ teeth in each arch of the primary dentition

10

How many canines are in an arch of the permanent dentition

2

How many premolars are in one quadrant of the permanent dentition

2

In the universal numbering system the four second permanent molars are

2,15,18,31

How many molars are in each quadrant of the permanent dentition

3

Using the he universal/national teeth-numbering system, what are the numbers for the permanent first molars

3,14,19,30

How many premolars are in each each arch of the permanent dentitions

4

In the universal numbering system the permanent maxillary second premolars are

4 and 13

What is the canine eminence

A bony ridge

Which teeth play an important part in a persons appearance

Anterior teeth

Which of the following teeth are usually the last teeth to be lost

Canines

The primary teeth are classified in the universal/national teeth-numbering system using

Capital letters A-T

What is located where the cusp ridges converge at a central point where the grooves meet on a posterior tooth

Central fossa

Premolars and molars are used for _____ food

Chewing

Which of the following is a rounded raised area on the cervical third of the lingual surface of anterior teeth

Cingulum

Which of the following is true of primary teeth in contrast to permanent teeth

Crowns that are narrower at the cej than permanent teeth

A common anomaly of the maxillary lateral incisors that is characterized by unusually large open contacts is called

Diastemas

Canines are also referred to as

Eyeteeth

Which of the following permanent maxillary teeth normally have three roots

First molars

Which of the following teeth are the largest and strongest maxillary teeth

First molars

Which of the following teeth in the permanent dentition will replace the primary first molars

First premolars

Which of the following types of teeth in the primary dentition are replaced by first premolars in the adult dentition

First primary molar

The incisal plans of an anterior tooth is also known as the

Incisal edge

Which of the following is true of the mandibular canine tooth

It is narrower labiolingually and mesiodistally than a maxillary canine

Which of the following is true regarding differences between the maxillary and mandibular central incisors

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

The maxillary second premolar differs from the maxillary first premolar in that the

Lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar

The root of the maxillary lateral incisor is

Longer than the root of a central incisors

Which of the following terms is used to describe the rounded enamel extensions on the incisal edge of newly erupted central and lateral incisors

Mamelons

Which of the following teeth are smallest and most symmetric teeth in the permanent dentition

Mandibular central incisors

Which of the following adult teeth is nonsuccedaneous

Mandibular right first molar

The developmental groove that crosses marginal ridges and allows food to escape during mastication is the ______ groove

Marginal

The lingual surfaces of anterior teeth have rounded raised borders on the mesial and distal surfaces that are called

Marginal ridges

Which of the following teeth have a fifth supplemental cusp

Maxillary first molars

Which of the following premolars teeth has buccal and lingual roots

Maxillary first premolar

Which of the following teeth vary more in form than any other teeth in the mouth

Maxillary lateral incisors

The maxillary second premolar differs from the maxillary first premolar in that the

Maxillary second premolar usually has one root

Which of the following teeth is most likely to be out of position in the dental arch

Maxillary third molars

The first premolar is anterior to the ______, whereas the second premolar is anterior to the first ______

Second premolar, molar

The root of the mandibular second premolar is _____ than the roots of the maxillary premolars, but ______ than that of a mandibular first premolar

Shorter, longer

The mandibular central incisors are

Smaller than the mandibular lateral incisors

Which statement is not true if the maxillary canines

The lingual surface of the crown of the maxillary canine is smoother than that of the mandibular canine

Which of the following teeth are sometimes referred to as wisdom teeth

Third molars

Which of the following features of the posterior dentition is associated with the termination of triangular grooves

Triangular fossa

Most maxillary first premolars are considered bifurcated because they have a root that is divided into

Two roots, buccal and lingual