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General and Oral Pathology for the Dental Hygienist > Chapter 5 DENT 1060 > Flashcards

Chapter 5 DENT 1060 Flashcards

Developmental Disorders

1
Q 
Which term refers to a defect present at birth?
A. Anomaly
B. Inherited defect
C. Congenital defect
D. Developmental defect
A

C. Congenital defect

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2
Q 
Which term refers to the origin and tissue formation of teeth?
A. Odontogenesis
B. Dentinogenesis
C. Amelogenesis
D. Cementogenesis
A

A. Odontogenesis

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3
Q 
Which term refers to the joining of teeth by cementum ONLY?
A. Fusion
B. Gemination
C. Twinning
D. Concrescences
A

D. Concrescences

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4
Q 
Which teeth are most often missing?
A. Canines
B. Deciduous second molars
C. Third molars
D. Premolars
A

C. Third molars

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5
Q 
Which tooth is the most common supernumerary tooth?
A. Mesiodens
B. Distomolar
C. Paramolar
D. Hutchinson incisor
A

A. Mesiodens

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6
Q 
Which teeth most often appear smaller than normal?
A. Mandibular premolars
B. Maxillary lateral incisors
C. Mandibular lateral incisors
D. Mandibular third molars
A

B. Maxillary lateral incisors

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7
Q 
Which term refers to the development anomaly that arises when a single tooth germ attempts to divide and results in the incomplete formation of two teeth?
A. Fusion
B. Gemination
C. Concrescence
D. Dilaceration
A

B. Gemination

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8
Q 
Which term refers to the developmental anomaly that arises from the union of two normally separated adjacent tooth germs?
A. Twinning
B. Gemination
C. Fusion
D. Dilaceration
A

C. Fusion

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9
Q 
Which term refers to an abnormal angulation or curve in the root or crown of a tooth?
A. Fusion
B. Gemination
C. Concrescence
D. Dilaceration
A

D. Dilaceration

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10
Q 
Which term refers to a developmental anomaly in which teeth exhibit elongated, large pulp chambers and short roots?
A. Dens in dente
B. Dens evaginatus
C. Taurodontism
D. Dilaceration
A

C. Taurodontism

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11
Q 
Which DEVELOPMENTAL anomaly is often associated with a nonvital tooth and periapical lesions?
A. Dens in dente
B. Dens evaginatus
C. Taurodontism
D. Talon cusp
A

A. Dens in dente

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12
Q 
Which of the following teeth most often exhibit supernumerary roots?
A. Maxillary first premolars
B. Maxillary third molars 
C. Mandibular first molars
D. Maxillary first molars
A

B. Maxillary third molars

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13
Q 
Which one of the following describes the appearance of enamel hypoplasia resulting from a febrile illness or vitamin deficiency?
A. Pitting defects
B. Yellowish-brown discoloration
C. Blackish-brown staining
D. Chalky white spots
A

A. Pitting defects

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14
Q 
Which one of the following is associated with enamel hypoplasia resulting from congenital syphilis?
A. Turner tooth
B. Hutchinson incisors
C. Taurodont
D. Dens evaginatus
A

B. Hutchinson incisors

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15
Q 
Which one of the following describes the appearance of enamel hypocalcification?
A. Pitting defects
B. Yellowish-brown discoloration
C. Blackish-brown stains
D. Chalky white spots
A

D. Chalky white spots

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16
Q 
Which term describes a tooth that has not erupted because of a lack of eruptive force?
A. Ankylosed
B. Impacted
C. Embedded
D. Fused
A

C. Embedded

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17
Q 
Which teeth are most often impacted?
A. Distomolars
B. Maxillary and mandibular first molars
C. Mandibular cuspids
D. Mandibular third molars
A

D. Mandibular third molars

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18
Q 
Which term describes a tooth in which bone has fused to cementum and dentin and prevents the eruption of an underlying permanent tooth?
A. Concrescence
B. Embedded
C. Ankylosed
D. Fused
A

C. Ankylosed

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19
Q 
Which cyst is NOT an odontogenic cyst?
A. Dentigerous cyst
B. Primordial cyst
C. Median palatal cyst
D. Lateral periodontal cyst
A

C. Median palatal cyst

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20
Q 
The most common cause of the radicular cyst is:
A. Caries
B. Trauma
C. Malignant infiltration
D. Food impaction
A

A. Caries

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21
Q 
Which cyst is an odontogenic intraosseous cyst that forms around the crown of a developing tooth?
A. Coronal cyst
B. Dentigerous cyst
C. Lateral periodontal cyst
D. Eruption cyst
A

B. Dentigerous cyst

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22
Q 
Which cyst develops in place of a tooth?
A. Dentigerous cyst
B. Primordial cyst
C. Follicular cyst
D. Odontogenic keratocyst
A

B. Primordial cyst

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23
Q 
Which cyst is characterized by its unique microscopic appearance and frequent recurrence?
A. Residual cyst 
B. Stafne bone cyst
C. Odontogenic keratocyst
D. Eruption cyst
A

C. Odontogenic keratocyst

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24
Q

The lateral periodontal cyst is defined by its location. In which area is the lateral periodontal cyst most commonly found?
A. Mandibular third molar area
B. Maxillary tuberosity are
C. Between the maxillary premolars
D. Between the mandibular cuspid and first premolar

A

D. Between the mandibular cuspid and first premolar

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25
Q 
The teeth are vital with all of the following cysts EXCEPT:
A. Nasopalatine canal cyst
B. Cyst of the palatine papilla
C. Dentigerous cyst
D. Periapical cyst
A

D. Periapical cyst

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26
Q 
Which cyst is characteristically pear shaped?
A. Globulomaxillary cyst
B. Median palatal cyst
C. Incisal canal cyst
D. Median mandibular cyst
A

A. Globulomaxillary cyst

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27
Q 
Which of the following describes a radicular cyst left behind after extraction of the offending tooth?
A. Periodontal cyst
B. Gingival cyst
C. Odontogenic cyst
D. Residual cyst
A

D. Residual cyst

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28
Q 
With which cyst may the patient complain of dysphagia?
A. Thyroglossal tract cyst
B. Median palatal cyst
C. Static bone cyst
D. Traumatic bone cyst
A

A. Thyroglossal tract cyst

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29
Q 
Which cyst is considered a pseudocyst?
A. Odontogenic keratocyst
B. Traumatic bone cyst
C. Lymphoepithelial cyst
D. Primordial cyst
A

B. Traumatic bone cyst

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30
Q 
In addition to the odontogenic keratocyst, which lesion would the hygienist suspect if a radiograph revealed a multilocular radiolucency?
A. Globulomaxillary cyst
B. Aneurysmal bone cyst
C. Stafne bone cyst
D. Periapical cyst
A

B. Aneurysmal bone cyst

31
Q 
Which term refers to the adhesion of the tongue to the floor of the mouth?
A. Ankylosis
B. Ankyloglossia
C Anodontia
D. Amelogensis
A

B. Ankyloglossia

32
Q 
Which location is the most common for lip pits?
A. Commissure
B. Philtrum
C. Nasolabial groove
D. Labiomental groove
A

A. Commissure

33
Q 
Which term refers to an ectopic mass of thyroid tissue located on the dorsal tongue?
A. Thyroid cyst
B. Thyroid tumor
C. Lingual tonsil
D. Lingual thyroid
A

D. Lingual thyroid

34
Q 
Which term refers to the total absence of all teeth?
A. Anodontia
B. Hypodontia
C. Hyperdontia
D. Microdontia
A

A. Anodontia

35
Q 
Which term refers to the lack of one or more teeth?
A. Anodontia 
B. Hypodontia
C. Hyperdontia
D. Microdontia
A

B. Hypodontia

36
Q 
Which tooth is the second most common supernumerary tooth?
A. Taurodont
B. Mesiodens
C. Paramolar
D. Distomolar
A

D. Distomolar

37
Q 
Which term refers to abnormally small teeth?
A. Taurodontia
B. Macrodontia
C. Microdontia
D. Hypodontia
A

C. Microdontia

38
Q 
Which term refers to abnormally large teeth?
A. Taurodontia
B. Acromegaly
C. Macrodontia
D. Hypodontia
A

C. Macrodontia

39
Q 
Which location is the most likely for an enamel pearl?
A. Maxillary molars
B. Maxillary second premolar
C. Mandibular premolars
D. Mandibular molars
A

A. Maxillary molars

40
Q 
Which location is the most likely for a talon cusp?
A. Canines
B. Incisors
C. Molars
D. Premolars
A

B. Incisors

41
Q 
Which term refers to an accessory cusp located on the occlusal surface of a tooth?
A. Mulberry cusp
B. Talon cusp
C. Dens invaginatus
D. Dens evaginatus
A

D. Dens evaginatus

42
Q 
Which term refers to the enamel hypoplasia of a permanent tooth that results from infection of a deciduous tooth?
A. Hutchinson tooth
B. Talon tooth
C. Turner tooth
D. Gorlin tooth
A

C. Turner tooth

43
Q 
Which term refers to the irregular areas of discoloration that result from fluoride ingestion?
A. Pitting defects
B. Developmental defects
C. Mottling defects
D. Extrinsic staining
A

C. Mottling defects

44
Q 
Which term refers to teeth that appear ghostlike on a dental radiograph?
A. Taurodontism 
B. Enamel hypocalcification
C. Regional odontodysplasia
D. Enamel hypoplasia
A

C. Regional odontodysplasia

45
Q 
Which term refers to teeth that cannot erupt because of physical obstruction?
A. Fused 
B. Ankylosed
C. Embedded 
D. Impacted
A

D. Impacted

46
Q 
Which one of the following would NOT cause endogenous staining of teeth?
A. Tetracycline
B. Rhesus incompatibility
C. Penicillin
D. Neonatal liver disease
A

C. Penicillin

47
Q 
Enamel hypoplasia results from damage to the:
A. Odontoblast
B. Ameloblasts
C. Fibroblasts
D. Cementoblasts
A

B. Ameloblasts

48
Q 
Hutchinson incisors and mulberry molars are associated with:
A. Odontodysplasia
B. Congenital syphilis
C. Neonatal liver disease
D. Febrile illnesses
A

B. Congenital syphilis

49
Q

Ankyloglossia

A

Extensive adhesion of the tongue to the floor of the mouth or the lingual aspect of the anterior portion of the mandible.

50
Q

Ankylosed teeth

A

Teeth that are fused to the alveolar bone; a condition especially common with retained deciduous teeth.

51
Q

Anodontia

A

Congenital lack of teeth.

52
Q

Anomaly

A

Marked deviation from normal, especially as a result of congenital or hereditary defects.

53
Q

Commissure

A

The site of union of corresponding parts (e.g., the corners of the lips) (labial commissure, commissural lip pits).

54
Q

Concrescence

A

In dentistry, a condition in which two adjacent teeth become united by cementum.

55
Q

Congenital disorder

A

A disorder that is present at and existing from the time of birth.

56
Q

Cyst

A

An abnormal sac or cavity lined by epithelium and surrounded by fibrous connective tissue.

57
Q

Dens in dente

A

“A tooth within a tooth”; a developmental anomaly that results when the enamel organ invaginates into the crown of a tooth before mineralization.

58
Q

Dentinogenesis

A

The formation of dentin.

59
Q

Differentiation

A

The distinguishing of one tissue from another.

60
Q

Dilaceration

A

An abnormal bend or curve, as in the root of a tooth.

61
Q

Fusion

A

The union of two adjacent tooth germs.

62
Q

Gemination

A

“Twinning”; when a single tooth germ attempts to divide, resulting in the incomplete formation of two teeth; the tooth usually has a single root and root canal.

63
Q

Hypodontia

A

Partial anodontia; the lack of one or more teeth.

64
Q

Impacted teeth

A

Teeth that cannot erupt into the oral cavity because of a physical obstruction.

65
Q

Macrodontia

A

Abnormally large teeth.

66
Q

Microdontia

A

Abnormally small teeth.

67
Q

Multilocular

A

A radiographic appearance in which many circular radiolucencies exist; these can appear “soap bubble-like” or “honeycomb-like.”

68
Q

Nodule

A

A small solid mass that can be detected through tough.

69
Q

Oligodontia

A

A subcategory of hypodontia in which six or more teeth are missing.

70
Q

Predilection

A

A disposition in favor of something; preference.

71
Q

Proliferation

A

The multiplication of cells.

72
Q

Stomodeum

A

The embryonic invagination that becomes the oral cavity.

73
Q

Supernumerary

A

In excess of the normal or regular number, as in teeth.

General and Oral Pathology for the Dental Hygienist (10 decks)

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