Oral Anatomy/Tooth morphology FINAL UPDATED Exam Questions and CORRECT Answers
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Oral Anatomy
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Oral Anatomy
Oral Anatomy/Tooth morphology FINAL
UPDATED Exam Questions and CORRECT
Answers
The term consistently used in dentistry for a primary/permanent tooth to appear or enter the
mouth is called:
A. Exfoliation
B. Extraction
C. Extrude
D. Eruption - CORRECT ANSWER- D. Eruption
The primary teet...
Oral Anatomy/Tooth morphology FINAL
UPDATED Exam Questions and CORRECT
Answers
The term consistently used in dentistry for a primary/permanent tooth to appear or enter the
mouth is called:
A. Exfoliation
B. Extraction
C. Extrude
D. Eruption - CORRECT ANSWER- D. Eruption
The primary teeth are classified in the Universal numbering system by:
A. Numbers 1-20
B. Letters A-T
C. A number for each quadrant and a number for each tooth
D. Numbers inside a bracket - CORRECT ANSWER- B. Letters A-T
Multirooted teeth have a root ______, where the roots branch off from the cervical portion of
the tooth.
A. trunk
B. fossa
C. apex
D. foramina - CORRECT ANSWER- A. Trunk
The narrow folds of mucous membrane that connects the attached gingiva to the lips, cheeks,
or under the tongue is called:
A. Frenums
B. Gingival sulcus
C. Free gingiva
D. Attached gingiva - CORRECT ANSWER- A. Frenums
,The term Heterodont means:
A. An animal that exhibits more than one tooth morphology
B. An animal that exhibits no tooth morphology
C. An animal that exhibits only one tooth morphology
D. An animal exhibits two successive sets of teeth - CORRECT ANSWER- A. An animal that
exhibits more than one tooth morphology
A cuff-like band of stratified squamous epithelium that completely encircles the tooth is
called:
A. gingival sulcus
B. marginal gingiva
C. lamina dura
D. junctional epithelium - CORRECT ANSWER- D. Junctional epithelium
According to the ISO/FDI numbering system, each tooth is numbered by:
A. sextants and quadrants
B. numbers and letters
C. letters and symbols
D. quadrants and numbers - CORRECT ANSWER- D. Quadrants and numbers
Which pair of teeth in the adult dentition both have a mesial surface that touches the other
mesial surface?
A. 25 and 26
B. 16 and 17
C. 7 and 8
D. 8 and 9 - CORRECT ANSWER- D. 8 and 9
The formula for denoting mammalian teeth indicates all the criteria below in order to
determine a specific amount of the types of teeth in a quadrant EXCEPT:
A. The denomination for each tooth is often represented by the initial letter in its name (I-
Incisor, M-molar, etc)
,B. Each letter is followed by a horizontal line ----
C. The number of each type of tooth is placed above the line for maxillary teeth or below the
line for mandibular teeth
D. The formula includes two side of the mouth - CORRECT ANSWER- D. The formula
includes two sides of the mouth
In a Class II, or Distoclusion, Division 2 refers to the:
A. Maxillary incisors are in labioverion or protruded outward
B. Maxillary incisors are not in labioverion, and are intruded lingually
C. Malocclusion of posteriors is considered bilateral
D. Posterior teeth of the mandibular dentition are included only - CORRECT ANSWER- B.
Maxillary incisors are not in labioverion, and are intruded lingually
What universal tooth number would the maxillary left first molar be?
A. 14
B. 15
C. 16
D. 13 - CORRECT ANSWER- A. 14
Which of the following can be palpated in the area just slightly in front of the inferior border
of the external auditory meatus?
A. insertion of the masster muscle
B. incisive papillae
C. filiform papillae
D. mentum - CORRECT ANSWER- A. Insterion of the masseter muscle
The portion of a tooth that is covered in enamel is the:
A. clinical crown
B. anatomical crown
C. cementoenamel junction
D. coronal radicular - CORRECT ANSWER- B. anatomical crown
, The parts that comprise the periodontium include all the following EXCEPT:
A. gingiva
B. alveolar bone
C. buccal mucosa
D. periodontal ligaments - CORRECT ANSWER- C. buccal mucosa
Functions of the dental pulp include all the following EXCEPT:
A. formative
B. sensory
C. nutritive
D. supportive - CORRECT ANSWER- D. supportive
How many teeth in the adult dentition have facial surfaces?
A. 12
B. 32
C. 28
D. 8 - CORRECT ANSWER- B. 32
A maxillary canine has 2 very distinctive _______ on the lingual surface.
A. cingulums
B. fossea
C. ridges
D. grooves - CORRECT ANSWER- B. fossea
What is the universal number for the fourth tooth from the midline in the maxillary left
quadrant in the primary dentition?
A. J
B. H
C. G
D. I - CORRECT ANSWER- D. I
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