Oral Anatomy/Tooth morphology
FINALExam Questions and 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - ANSWER>>C. buccal mucosa
Functions of the dental pulp include all the following EXCEPT:
A. formative
B. sensory
C. nutritive
D. supportive - ANSWER>>D. supportive
How many teeth in the adult dentition have facial surfaces?
A. 12
B. 32
C. 28
D. 8 - ANSWER>>B. 32
A maxillary canine has 2 very distinctive _______ on the lingual surface.
A. cingulums
B. fossea
C. ridges
D. grooves - 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 - ANSWER>>D. I
The term used to indicate the direction toward the tongue or the surface of the
teeth that face the tongue is called the _________ surface.
A. lingual
B. facial
C. distal
D. mesial - ANSWER>>A. lingual
FINALExam Questions and 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - ANSWER>>C. buccal mucosa
Functions of the dental pulp include all the following EXCEPT:
A. formative
B. sensory
C. nutritive
D. supportive - ANSWER>>D. supportive
How many teeth in the adult dentition have facial surfaces?
A. 12
B. 32
C. 28
D. 8 - ANSWER>>B. 32
A maxillary canine has 2 very distinctive _______ on the lingual surface.
A. cingulums
B. fossea
C. ridges
D. grooves - 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 - ANSWER>>D. I
The term used to indicate the direction toward the tongue or the surface of the
teeth that face the tongue is called the _________ surface.
A. lingual
B. facial
C. distal
D. mesial - ANSWER>>A. lingual
