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Pedo/Ortho > Acquired tooth disorders- Ch. 3 > Flashcards

Acquired tooth disorders- Ch. 3 Flashcards

1
Q

Caries are how many times more common than asthma?

A

5

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2
Q

caries are how many times more common than hay fever

A

7

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3
Q

what is the number 1 chronic childhood illness?

A

caries

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4
Q

what is the most common reason a kid misses school?

A

toothache

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5
Q

what is the caries prevalence in kids under age 4?

A

38-49%

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6
Q

Enamel erosion can occur from intrinsic erosion. What causes intrinsic erosion?

A

gastric acid and acid regurgitations due to medical or physiological issues

**anorexia, acid reflux, bulemia

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7
Q

when looking intraorally, what gives the indication of bulimia?

A

Lingual surfaces are eroded

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8
Q

What is extrinsic erosion?

A

erosion that occurs when dietary acids contribute to the mouth’s being in a very acidic state

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9
Q

dietary acid can come from what?

A

. sugar, diet sodas, fruit drinks, carbonated drinks, energy drinks, etc

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10
Q

at what pH level does enamel begin to erode?

A

5.5

**soda has average ph of 2.5

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11
Q

when enamel wear down, 4 what things can occur?

A

1- teeth become discolored because you can see dentin
2- edges of front teeth look transparent
3- tooth sensitivity
4- restorations will chip and fall out, especially in primary teeth

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12
Q

what is external root resorption?

A

the breakdown or destruction and subsequent loss of the root structure of a tooth.

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13
Q

what causes external root resorption?

A

living body cells attacking part of the tooth

*happens in both perm. and primary teeth

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14
Q

What results from pressure on the root surface. It can be from trauma, ectopic teeth erupting in the path of the root, chronic inflammation. Most common cause is Orthodontics!

A

Root resorption of secondary teeth

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15
Q

What is Ectopic root resorption

A

Whenever the crown of one tooth, comes close or in contact with the root of another tooth

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16
Q

what is internal root resorption?

A

root and dentin resorb within root canals

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17
Q

what cause internal root resorption?

A

trauma, and sometimes unknown etiology

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18
Q

How can a dentist cause internal root resorption?

A

the pulp can react to materials and methods used during pulpotomy

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19
Q

is a primary tooth more likely to move within the bone or fracture?

A

move within bone because the surrounding bone isn’t as thick as it is with permanent teeth

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20
Q

what are the 6 soft tissue problems listed in the lecture?

A 
1-Acute & Chronic Alveolar Abscess
2-Cellulitis
3- Gingivitis
4-Periodontal Disease
5-Soft Tissue Trauma
6-Benign & Malignant Lesions
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21
Q

what is a acute alveolar abscess?

A

It is a chemical bacterial and mechanical irritation but usually due to bacterial invasion from death of pulp tissue

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22
Q

what happens when the swelling becomes extensive?

A

it results into cellulitis and the patients facial appearance changes

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23
Q

what is cellulitis?

A

diffuse infection of the soft tissues

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24
Q

does cellulitis occur more in adults or kids

A

younger children

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25
Q

what causes cellulitis?

A

primary or permanent pulpal necrosis

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26
Q

clinically how is cellulitis characterized?

A

by considerable swelling of face or neck due to collateral edema and a spreading fascial infection

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27
Q

is cellulitis painful?

A

yes. May have difficulty sleeping or eating

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28
Q

what results from long standing, low grade infection of the periradicular bone?

A

chronic alveolar abscess

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29
Q

is chronic alveolar abscess painful?

A

No. generally no obvious signs or sypmptoms

30
Q

Gingivitis

A

bacteria in plaque…easy bleeds…no bone loss

31
Q

what percentage of americans have periodontal disease?

A

75%

32
Q

the benign lesions Papilloma and Verruca vulgaris are described how?

A

Firm; non-tender; fixed to the surface; rough or cauliflower surface; pale

33
Q

leukemias and brain cancers are responsible for what percentage of childhood cancer?

A

more than 50%

34
Q

leukemias are responsible for what percentage of childhood cancers?

A

33.3333333%

35
Q

is an odontoma a neoplasm or harmatoma?

A

harmatoma

36
Q

what is an odontoma composed of?

A

mature

Enamel, dentin, and pulp tissue

37
Q

what is the most common odontogenic tumor?

A

odontoma

38
Q

what do odontomas interfere with?

A

eruption of perm teeth

39
Q

when do odontomas occur?

A

2nd decade of life

40
Q

How do compound and complex odontomas differ?

A

compound have denticles (tooth-like structures).

41
Q

where do compound odontomas most commonly occur?

A

max. canine

42
Q

where do complex odontomas usually occur?

A

posterior mandible

43
Q

how do you treat an odontoma?

A

excision

44
Q

what is gemination?

A

Attempted division of a single tooth germ, appears as a bifid crown on a single root.

45
Q

what is fusion?

A

Represents the union of two independently developing primary or permanent teeth

46
Q

will fusion or gemination have separate pulp chambers and canal?

A

fusion

47
Q

what is concrescence?

A

fusion of teeth involving ONLY cementum

48
Q

3 things about dens invaginatus

A

1-most common in maxillary perm. lateral incisor
2-Common pulp necrosis and abscess
3-cover with sealant or restoration

49
Q

3 things about charubism

A

1- autosomal dominant and reduced penetrance in females
2- multilocular (soap bubble)
3-teeth exfoliate early

50
Q

what can cause enamel hypoplasia?

A

1- defecient in vit. A, C, D, calcium, phosphorus

51
Q

if you have a cleft lip or palate, what percent of people have maxillary primary anterior teeth that had one or more teeth with hypoplasia?

A

66%

92% with permanent

52
Q

what is molar-incisor hypomineralization?

A

Interference with dental development at birth, or while the enamel of the permanent first molars and permanent incisors is forming may result in a qualitative effect on the mineralization of one to four of the permanent first molars with or without involvement of maxillary and mandibular permanent incisors

53
Q

T/F dental fluorosis is a type of hypoplasia?

A

True

54
Q

what are pre-eruptive caries?

A

defect in crowns of teeth that have not yet erupted.

*restore once erupted

55
Q

what is taurodontism

A

the body of the tooth is enlarged at the expense of the roots. Also has huge pulp chambers

56
Q

3 things about Dentinogensis Imperfecta Type I

A

1-primary dentition more severly effected
2- if osteogenisis imperfecta then you also have fragile bones, blue sclera, deaf, triagular scull
3-roots are taper or ribbon like

57
Q

3 things about Dentinogenesis Imperfecta Type II-AD

A

1-most common inheratied defect in man 1:8000
2-pretty much no roots, so a lot of treatments are more complicated
3-implants are possible

58
Q

Dentinogenesis Imperfecta type 3

A

1-branywine type
2-bell shaped appearance
3- shell tooth appearance on xray

59
Q

dentin displasia type 1

A

radicular dentin dysplasia. Both primary and permanent teeth are affected. Autosomal-dominant trait. Root canal and pulp chambers are absent except for chevron-shaped remnant in the crown. Color is either normal or slightly opalescent or blue brown.

60
Q

dentin dysplasia type 2

A

coronal dentin dysplasia. Autosomal-dominant trait, Primary dentition appears opalescent with obliterated pulp chambers. Permanent dentition has normal color with thistle tube pulp configuration with pulp stones.

61
Q

what type of amelogenisis imperfecta is most common?

A

hypocalcified

*60% have open bite

62
Q

hypoplastic amerogenisis imperfecta

A
  • Hard thin enamel, small teeth, occasionally tapered

- Possible systemic causes, associated with many different syndromes i.e. Down syndrome, Treacher Collins,

63
Q

HYPOMATURATION Amelogensis Imperfecta

A

Normal enamel thickness but with low radiodensity and quite soft

*flakes away

64
Q

anodontia

A

no teeth

65
Q

hypodontia

A

fewer than 6 teeth

*not including 3rd molars

66
Q

oligodontia

A

missing more than 6 teeth

*downs syndrome and ectodermal dysplasia

67
Q

hypodontia and palatally displaced canines:

A

Impacted or palatally displaced canines occur in 85% of unerupted canines.

68
Q

in ectodermal dysplasia what teeth are commonly missing?

A
  • Mand. Incisors and premolars

- Max. premolars

69
Q

in ectodermal dysplasia what teeth are commonly present?

A
  • Max. central incisors
  • Max canines
  • Max. and mand. first molars
70
Q

what 3 things can intrinsically discolor a tooth?

A

1-blood borne pigment
2-blood decomposition of pulp from trauma
3- ZOE and composite

71
Q

what do diseases can discolor a tooth?

A

1- Cystic Fibrosis

2-Hyperbilirubinemia

72
Q 
Other terms we learned in oral path:
1-macroglossia
2-Ankyloglossia
3-Fissured tongue & Geographic tongue
4-Coated Tongue
5-Black Hairy Tongue
6-Maxillary Labial Frenum
7-Frenectomy
8-Tongue Piercing
A

You likely already know about these things. Refer to lecture slides for review

Pedo/Ortho (5 decks)

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