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Week 2-D2 > Oral pathology-Dr. Flores > Flashcards

Oral pathology-Dr. Flores Flashcards

1
Q

Enviromental alterations of teeth

A
  • During tooth developement
  • Post developement structure loss
  • Discoloration of teeth
  • Local distturbances in eruption
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2
Q

Eniromnental effects on tooth structure developement

A
  • Turner’s Hypoplasia
  • Dental Fluorosis
  • Antineoplastic therapy
  • Syphilitic hypoplasia
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3
Q

Turner’s Hypoplasia

A
  • Enamel defect in permanent teeth
  • Secondary to:
    • periapical inflammation
    • trauma to deciduous tooth
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4
Q

What condition?

A
  • Turner’s Hypoplasia
    • enamel defect in permanent teeth
    • secondary to:
      • periapical inflammation
      • trauma to decidious teeth
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5
Q

Molar-Incisor Hypomineralization

A
  • enamel defect of 1 or more permanent 1st molar
  • Sensitive
  • Difficult to anesthetize
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6
Q

What condition?

A
  • Molar-Incisor Hypomineralization
    • enamel defect of 1 or more permanent 1st molar
    • sensitive
    • hard to anesthetize
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7
Q

Hypoplasia caused by Antineoplastic Therapy

A
  • Secondary to:
    • Radiation
    • Chemo
  • Common in <12 y.o.
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8
Q

Dental Fluorosis

A
  • Hypomaturation of enamel
  • increased porosity/pits w/discoloration
  • anterior teeth, estheticss
  • cariest resistant
  • critical period: 2nd and 3rd yr of life
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9
Q

Syphilitic Hypoplasia

A
  • aka congenital syphilis
    • Hutchinson’s incisors
      • Straight-Edge screwdrive
      • incisal hypoplastic notch
    • Mulberry molars
      • constricted occlusal table
      • Disorganized surface anatomy
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10
Q

Post-Developemental loss of tooth structure

A
  • Abrasion
  • Erosion
  • Attrition
  • Abfraction
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11
Q

Erosion

A
  • caused by nonbacterial chemical agent
    • energy drinks
  • Dissolution of tooth structure by acid
  • enamel more resistant than dentin
  • Patterns:
    • maxillary facial-dietary
    • Maxillary palatal-Gastric “Perimolysis”
    • Anterior incisal-enviromental
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12
Q

What condition?

A

Erosion

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13
Q

Abrasion

A
  • Mechanical action of external agent
    • toothpicks
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14
Q

Attrition

A
  • Tooth-to tooth contact during occlusion and mastication
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15
Q

Abfraction

A
  • loss of tooth structure due to occlusal stress
    • away from loading point
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16
Q

Internal vs External Root resorption

A
  • Internal:
    • Cells in pulp
    • rare
    • secondary to pulpal injury
    • may result in perforation
    • Types:
      • inflammatory
        • pink tooth of Mummery
      • Replacement or metaplastic
    • Tx: remove associated tissue
  • External:
    • cells in PDL
    • common
    • “Moth-eaten” irregular defect
    • normal pulp canal
    • types of cervical resorption:
      • invasive cervical
      • multiple idopathic
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17
Q

Enviromental Discolorations of teeth: Extrinsic vs intrinsic

A
  • Extrinsic
    • Foods
    • Drinks
    • Gingival hemorrhage
    • restoration material
    • Medicines
  • Intrinsic
    • Amelogenesis imperfecta
    • Dentinogenesis imperfecta
    • Dental Fluorosis
    • Erythropoietic Porphyria
    • Hyperbilirubinemia
    • localized RBC breakdown
    • Medicines
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18
Q

Discoloration of teeth: Treatments-Extrinsic vs intrinsic

A
  • Extrinsic:
    • Prophy
    • Pumic
    • Chemicals
    • jets
  • Intrinsic:
    • Bleaching
    • Restoration
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19
Q

Congenital Erythropoietic Porphyria

A
  • aka Gunther disease
  • incresaed synthesis & excretion of porphyrins & precursors
  • Red teeth
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20
Q

What condition?

A

Congenital Erythropoietic Porphyria

(Gunther DIsease)

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21
Q

Local Disturbances associated w/delayed eruption

A
  • Ankylosis of deciduous tooth
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22
Q

Anykylosis

A
  • stops erupting after emerging
  • Unknown pathogenesis
  • Loss of PDL space on x-rays
    • leads to perio problems
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23
Q

What condition?

A

Ankylosis

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24
Q

What condition?

A

Ankylosis

25
Q

Developement alterations in the number of teeth:

A
  • Hypodontia
  • Hyperdontia
    • Mesiodens
    • paramolar
    • Natal teeth
26
Q

Hypodontia

A
  • Female preference
  • associated with
    • ectodermal dysplasia
    • microcontia
27
Q

What condition?

A

Hypodontia

28
Q

What condition?

A

Hypodontia

29
Q

Hyperdontia

A
  • Supernumery teeth
    • mostly unilateral
  • failure of eruption
    • 75% anterior maxilary
  • may cause delay in eruption
  • Mesiodens
    • maxillary incisor region
  • Distomolar/Distodens
    • 4th molar
  • Paramolar
    • posterior supernumery tooth
  • Natal/Paranatal teeth
    • 85% mandibular incisors
    • 11% max incisors
    • 4% posterior teeth
  • Riga-Fede Disease
    • Trauma ulcer of adjacent soft tissue
30
Q

Microdontia

A
  • Genetic and enviromental influence
  • Females
  • Types:
    • Generalized microdontia
      • Down Syndrome
      • Pituitary Dwarfism
    • Isolated Microdontia
      • Common
      • Peg Lateral (max)
31
Q

What condition?

A

Microdontia

32
Q

Macrodontia

A
  • Excludes fusion or gemination
    *
33
Q

Gemination

A
  • Partial splitting of tooth bud
    • count as one tooth
  • Clinically
    • enlarged tooth
    • normal number
      *
34
Q

What condition?

A

Gemination

35
Q

Fusion

A
  • union of two tooth bud
  • single enlarged tooth, seperate canals
  • Anterior maxillary usually
36
Q

What condition?

A

Fusion

37
Q

What condition?

A

Fusion

38
Q

Gemination vs Fusion: Drawing

A
39
Q

Concrescence

A
  • 2 teeth joined by cementum
  • Maxillary posterior teeth
    • 2nd/3rd molars
      *
40
Q

What condition?

A

Concrescence

41
Q

What condition?

A

Concrescence

42
Q

Dens Evaginatus

A
  • Asians, native americans, Hispanics-Mestizo heritage
  • X-ray
    • occlusal w/tuberculated appearance
  • Complications:
    • Fracture
    • Dilaceration
    • Displacement
    • Tilting or rotation of teeth
43
Q

What condition?

A

Dens Evaginatus

44
Q

Dens Invaginatus

A
  • aka Dens in Dente
  • Deep surface invagination
    • lined by enamel
  • Type 1-3
45
Q

What condition

A

Dens Invaginatus (dens in Dente)

46
Q

Ectopic Enamel

A
  • Enamel Pearl
  • Cervical Enamel Extension
47
Q
A
48
Q

What condition?

A

Enamel Pearl

49
Q

What condition?

A

Cervical enamel Extension

50
Q

Taurodontism

A
  • Enlarged body and pulp chamber of multiroot tooth
    • apical displaceent of pulpal floor
    • bifurcation of roots
  • Classification:
    • Hypotaurodontism
      • mild
    • Mesotaurodontism
      • moderate
    • Hypertaurodontism
      • severe
51
Q

What condition?

A
  • Taurodontism
52
Q

Hypercementosis

A
  • isolated or multiple
  • Adults
  • associated with Paget disease
53
Q

What condition?

A

Hypercementosis

54
Q

What condition?

A

Hypercementosis

55
Q

What condition?

A

Dilaceration

56
Q

Amelogenesis Imperfecta

A
  • primary & permanent dentition
  • Gene mutation:
    • Autosomal dominant
      • FAM83H
        • diffuse hypocalcification
        • localized hypocalcified
  • Classification: 4 types/15 subtypes
    • type I
      • hypoplastic
    • type II
      • hypomaturation
    • Type III
      • Hypocalcified
    • type IV
      • Hypomaturation/hypoplastic
57
Q

Amelogenesis Imperfecta Type I

A
  • Hypoplastic (type I)
    • inadequate deposit of enamel
    • surface-rough
    • open bite
58
Q

Dentinogenesis Imperfecta

A
  • Hereditary developmental defect of dentin without other systemic disorder
  • DSPP Gene
  • White ppl
    *

Week 2-D2 (4 decks)

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