Oral Anatomy/Tooth morphology FINAL (exam 1&2) Questions and Answers 100% Verified
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Oral Anatomy/Tooth morphology
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Oral Anatomy/Tooth Morphology
The parts that comprise the periodontium include all the following EXCEPT:
A. gingiva
B. alveolar bone
C. buccal mucosa
D. periodontal ligaments - C. buccal mucosa
The term Heterodont means:
A. An animal that exhibits more than one tooth morphology
B. An animal that exhibits no tooth morphol...
Oral Anatomy/Tooth morphology FINAL
(exam 1&2)
The parts that comprise the periodontium include all the following EXCEPT:
A. gingiva
B. alveolar bone
C. buccal mucosa
D. periodontal ligaments - C. buccal mucosa
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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - B. anatomical crown
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 - 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 - 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 - 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 - A. Frenums
Functions of the dental pulp include all the following EXCEPT:
A. formative
B. sensory
C. nutritive
D. supportive - D. supportive
How many teeth in the adult dentition have facial surfaces?
A. 12
B. 32
C. 28
D. 8 - B. 32
A maxillary canine has 2 very distinctive _______ on the lingual surface.
A. cingulums
B. fossea
C. ridges
D. grooves - B. fossea
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