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Flashcards in Cementum Deck (78)
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61

Overgrowth of cementum found in non functioning tooth?

Cementum hyperplasia

62

Increased in physiologic function as seen in abutment teeth?

Cementum hypertrophy

63

Causes of cementum hyperplasia? (3)

  • Impacted tooth
  • Natural or orthodontically induced movements
  • Supraeruption

64

Part of periodontal ligament which is a remnant of HERS?

Epithelial rests of Malassez

65

Localized cemental thickening on the root surface?

Enamel pearl

66

Another term for enamel pearl?

Enamelloma

67

Mimics subgingival calcular deposits?

Enamel pearls

68

Sidenote: Enamel pearls may be composed of:

  • Enamel only
  • Enamel and dentin
  • Enamel, dentin and pulp

69

True or false. When there is calculus, no PDL is attached to enamel.

True

70

Enamel drips at the center of bifurcations or trifurcations?

Enamel projections

71

May lead to pockets in furcations?

Enamel projections

72

True or false. Enamel pearls and projections can be removed through scaling?

False

73

Cementicles are made up of what type of cementum?

Acellular extrinsic fiber

May be free, attached or embedded

74

True or false. Both bone and cementum has no nerve supply.

True

75

Union of cementum and dentin with the alveolar bone?

Ankylosis

76

True or false. Cementum is avascular?

True

77

True or false. Alveolar bone is avascular.

False

87

Resorption of cementum can be due to? (4)

Exfoliation of deciduous teeth Tooth drifting Traumatic occlusion Excessive orthodontic forces