Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DAM 1001 > Dental Anomalies > Flashcards

Dental Anomalies Flashcards

1
Q

deviation from normal, usually related to embryonic development that may result in the absence, excess, or deformity of body parts.

Does not mean abnormal

A

Anomaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A genetic extremly disorder assocates wirh ectodermal dysplasia. Normally has associated abornmalities. Missing Teeth. Permanent or primary teeth.

A

Anodontia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 3 types of adodontia?

A
  1. Complete Adodontia (no teeth at all)
  2. Hypodontia (abcesses of 1-6 teeth)
  3. Oligodontia ( abscess of 6+ teeth)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Adodontia is assocated with what?

A

Ectodermal Dysplasia (miss formation of ectoderm; bad skin, nerve, teeth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

?

A

Total anodontia (no teeth at all)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Total congenital abscense of a set of teeth Primary or secondary dentition. Rare
* Sex-linked genetic trait

A

Total anodontia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ectodermal dysplasia reslts in what?

A

Development of ectoderm (outer embryonic cell layer) Affects:
* Hair, nails, sebaceous & sweat glands (cant sweat), salivary glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Congenitally missing 1-6 teeth, may not be herediatry but commonly runs in famuly, radiograph required to assure missing teeth are acutally not there

A

partial anodontia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which is the most commonly missing permanent tooth?

A

Maxillary 3rd molars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Partial anodontia

Which is the 2nd most commonly missing permanent teeth?

A

Max Lateral Incisors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Partial anodontia

Which is the third most frequently missing permanent teeth?

A

Mandibular 2nd PM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Partial anodontia

Which teeth are the LEAST likely to be absent from the dentition?

A

Canines! Stable, always there!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Partial anodontia

Wide space in between canine and central?
Narrow space between canine and central?

A

Wide space= extracted lateral
Narrow space= missing lateral

always confirm with x-ray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Partial anodontia

What are 2 other teeth that can somtimes be missing?

A
  • Primary mandibular incisors
  • Permanent mandibular central incisors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Extra teeth

A

Supernumerary teeth
* all diffrent shape and sizes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

3 most common location for supernumerary teeth

A
  1. Maxillary Incisor Area
  2. Third Molar Area
  3. Mandibular Premolar Area
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A small supernumerary tooth that is found bewteen central incisors.
* At maxillary midlines
* Conse shaped
* Short root
* May or may not be visible in oral cavity; uneruped cause diastema btwn centrals

A

Mesioden

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where is it less frequent to have a supernumerary tooth?

A

Btwn lateral and canine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

?

A

Mesioden

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

an unerupted mesioden can causes what?

A

A diastema btwn centrals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

?

A

Molar form mesioden

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Supernumerary teeth distal to third molars
* More common in maxillary arch, can occur in mandible
* Rarely erupt
* Usually discovered through radiographs

A

Distomolars; para molar; 4th molars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Where is the most common location for mandibular supernumerary teeth?
Look like what?

A
  • between the first and second premolar regions.
  • Generally resemble normal premolars in size and shape
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

?

A

Supernumery tooth in the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Where else can you have supernumery teeth in the mandible?

A

In bewteen central incisor areas

3 seperate roots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Abnormal Crown Morphology

Which third molars have the most variable crown shape of all permanent teeth, followed by which other thirds?
* Small peg shaped crown
* multi cupsts
* malformed vesrion of 1st or 2nd molar

A
  1. Maxillary 3rd molars are most odd
  2. Followed by mandible
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What are the 6 abnormal tooth morphology?

A
  1. Abnormal Crown Morphology
  2. Abnormal Root Morphology
  3. Anomalies in tooth Position
  4. Additional Developmental Malformations
  5. Reactions to Injury after Eruption
  6. Unusual Dentitions.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Abnormal Crown Morphology

  • The most common anomaly in tooth shape in anterior region of the permanent dentition.
  • 1-2% of population
  • Tooth is conical tapers cervically, blunt point
  • 1 lobe
A

Peg shaped Max Lateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

?

A

Peg Shaped Lateral Incsiors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Extremely rare

A

Peg shaped centrals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Abnormal Crown Morphology

from the splitting (or twinning) of a single forming tooth.
* Tooth division is incomplete
* Double in width, notched
* single root, common pulp canal
* More in primary
* Most common in max incisors & cannines

A

Gemination or Twinning:

1 root 2 teeth, more teeth in arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

? What do you specifically call each?

A

Gernination!
* 4th molar
* 5th incsiors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

The union of two adjacent tooth germs, always involving the dentin.
* Common in anteriors
* Primary more common
* Mandibular incisor area > Maxillary.

A

Fusion

2 teeth 2 roots, same number off teeth in arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What does the radiograph of fusion abnormality look like?

A

2 seperate but fused roots with seperate pulp chambers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is left what is right?

A

Left is germination (2 teeth split from 1, 1 root)
Right is fusion (2 teeth joined to make 1, 2 roots)

39
Q

What does this show?

A

Fusion of 4th molar to 3rd molar

40
Q

Abnormal Crown Morphology

What dos this show?

A

Fusion of mesioden to incsiors

41
Q

Abnormal Crown Morphology

Germ or fusion?

A

Germination, central is splitting

5 teeth!

42
Q

Abnormal Crown Morphology

Germ or fusion?

A

Germination, splitting of teeth

6 teeth

43
Q

Abnormal Crown Morphology

Maxillary and mandibular incisor- may be screwdriver shaped, broad cervically and narrowing incisally, with a notched incisal edge.

A

Hutchinsons Incisors

notched incisors
44
Q

Abnormal Crown Morphology

In pt. with congentital syphyllis what is common?

A

Hutchinson’s Incisors and Mulberry Molars

45
Q

Lots of tuberlces on molars and pits.

A

Mulbery Molars

45
Q

?

A

Hutchinsons Incisors

46
Q

?

A

Hutchinsons Incisors

47
Q

Compare

A
  • Top is hutchinsons
  • Lower is fusion (longer line)
48
Q
A
49
Q

History / PE: Early manifestations
Hepatosplenomegaly (spleen/liver enlargmnet)
Cutaneous lesions on palms/soles
Jaundice/anemia
Rhinorrhea (runny nose)

A

Congenital Syphyllis

Mom had it passe on to kid through womb or birth canal

50
Q

What are clinical manifesation of untreated congenital syphilis?

A
  • Frontal bossing (bulge on facial)
  • Hutchinson teeth
  • Saddle nose (flat nose)
  • Perioral fissures (cracks around mouth)
51
Q

An increase in volume of tissue increase in cell numbers

A

Hyperplasia

52
Q

Increase in cell size

A

Hypertorphy

53
Q

As a result of developmental localized hyperplasia, from fusion of supernumerary tooth

A

Acessory enamel projections

54
Q

extra midlingual cusp on mandibular molar

A

Tuberculum Intermedium

In the middle

55
Q

if this extra cusp on the distal marginal ridge.

A

Tuberculum Sextum

On the edge

56
Q

A small projection on the lingual surface of maxillary or mandibular anterior permanent teeth.

A

Talon Cusp

57
Q

very small, but normally shaped teeth

Crown or root

A

Microdontia

58
Q

very large, but normally shaped teeth may occur as a single tooth, several teeth, or all teeth in a dentition.

Crown or root

A

Macrodontia

59
Q

Not a true anomaly
A trait reflecting biologic differences between races.
* Occur most frequently in Asian, Mongoloid, Arctic, and Native American populations.

A

Shovel Shaped Teeth In max incisors
pits & decay common

Lingual scoop

60
Q

Often found near frucation of wisdom teeth. Hard to clean.

A

Enamel Pearls

61
Q

bull or prism teeth
* Long Pulp Chamber
* No Constriction of tooth at CEJ
* Only permanent teeth
* Caused by disorganization of the calcified tissues and possibly occurs in dentitions subjected to heavy use.

A

Taurodontia

62
Q

Heavy wear on the occlsuion can result in what?

A

Wide CEJ

63
Q

Severe bend or angular distortion of a tooth root.

A

Dilaceration

64
Q
A
65
Q

A developmental anomaly resulting from invagination of the enamel organ within the crown of a tooth.

A

Dens in Dente; tooth within a tooth

66
Q
  • Superficial fusion or growing together of only the cementum of two adjacent tooth roots.
  • Occurs after eruption due to close proximity of roots + excessive cementum depostion
  • Maxillary molar regions
A

Concrescence

67
Q
A
68
Q

Tiny Short roots.

A

Dwarfed Roots

69
Q

thickening of cementum
* Excessive formation of cementum after the tooth has erupted.
* Caused by trauma, metabolic dysfunction, or periapical inflammation.
* Excess cementum may actually form a thin layer connecting adjacent roots, similar to “webbed duck”.

A

Hypercementosis

Thick Cementum

70
Q

?

A

Hypercementosis

71
Q

Extra roots

A

Acessory Roots

72
Q

Misplaced teeth

A

Malpositioned Teeth

73
Q

Initiated by an infection or trauma to the periodontal ligament, resulting in the loss of its periodontal ligament space so the tooth root is truly fused to the alveolar process or bone.

A

Ankylosis

74
Q

What can obliterate the PDL?

A

Hard Tooth Occlusion

75
Q

may be hereditary (as with amelogenesis imperfecta) or could result from

A

Enamel Dysplasia

76
Q
A
76
Q

What are systemic causes of enamel dysplasia

A
  • High fever
  • Nutrutional Defeciency
  • Excess amount of flouride
77
Q

What are local disturbances of enamel dysplasia

A
  • trauma
  • periapical infection
78
Q

What can enamel dyslplasia causes in tooth?

A

Variation in tooth color, from white to yellow and brown) or **variations in morphology **(such as pitting or roughened enamel) can result.

79
Q

Abnormal enamel formation

A

Amelogenisis Imperfecta

80
Q

Too much fluoride during tooth fomation

A

Flurosis

81
Q
A
82
Q

Dysplasia due to high fever

A

Enamel Damage

83
Q

Incomplete development of the enamel

A

Enamel Hypoplasia

84
Q

Faulty Dentin formation, hereditary. Dark, generalized

A

Dentogenisis Imperfecta

84
Q

Specific location of enamel growth, tertiary enamel growth from decay from primary tooth that travled down into the roots and affected the enamel of the permanent tooth

A

Focal Enamel Hypoplasia
; turners tooth (dot)

85
Q
A
86
Q

?

A

Dentogensis imperfecta, dark thick dentin, no pulp chamber

whitening no work

87
Q

Drug Taken While Tooth Forming. Whitening not work.

A

Tetracycline Stain

88
Q

Tooth Wear from Tooth-to-Tooth Grinding or Bruxing

A

Attrition

Teeth to Teeth

89
Q

Tooth Wear from Abrasive Products (Such as from Incorrect Tooth Brushing with Abrasive Toothpaste, Tobacco Chewing)

Tooth to product

A

Abrasion

90
Q

Tooth Destruction from Acids, such as from Lemons Held in the Vestibule or Stomach Acids of Bulimic

A

Erosion

91
Q

Unusual Dentition

A
  • Max molars with mandibular anatomy
  • Lots of extra teeth

DAM 1001 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions