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