Chapter 8 - Dental Anatomy Quiz Flashcards
How many teeth are in the maxillary right posterior sextant?
5
What describes the patient’s upper-right quadrant?
maxillary right
What is the name for the third of the tooth on the chewing surface of a posterior tooth?
occlusal
What dentition is present in the mouth from approximately 6 to 12 years?
mixed
What primary tooth erupts around 24 months and is often referred to as the two-year molar?
second
What surfaces are only found on posterior teeth?
occlusal and buccal
Which of these landmarks are elevations?
cusps, ridges, and cingula
A convex area on the lingual surface of the anterior teeth near the gingiva is called the:
Cingulum
What is the junction of three surfaces of a tooth?
point angle
Which landmark appears as a shallow dip in places on the teeth?
fossae
On what surface are mamelons found on newly erupted central incisors?
incisal
List the largest to smallest of the anterior incisors:
maxillary central, maxillary lateral, mandibular lateral, and mandibular central incisor
Where can the marginal ridges be found on posterior teeth?
sides of the occlusal surface
The cusp on the mesial lingual surface of the permanent maxillary first molar is the:
cusp of Carabelli
Which teeth have the distinguishing feature of an oblique ridge?
maxillary molars
Which teeth have five cusps?
first molars
Which teeth have trifurcated roots?
maxillary molars
All of these statements in comparing primary to permanent teeth are true EXCEPT:
a. primary teeth are smaller.
b. primary teeth are better developed.
c. primary teeth have thinner enamel.
d. primary teeth are whiter.
b. primary teeth are better developed
Which teeth have five cusps?
primary second molars and permanent first molars
Which teeth have four cusps?
primary first molars and permanent second molars
