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Oral Pathology Test 1 > ch. 2 > Flashcards

ch. 2 Flashcards

1
Q

what causes turners tooth?

A

Inflammation of the primary tooth causes enamel defect of permanent tooth

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2
Q

What’s optimum fluoride levels for water?

A

.7 parts per million

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3
Q

What levels should you worry about kids getting fluorosis?

A

1.2-1.5 ppm

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4
Q

What is hutchisons triad? (for syphilis)

A

hutchison’s teeth
interstitial ketatitis (corneal scarring)
8th nerve deafness

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5
Q

What is the definition of “no teeth”? caused by what?

A

Anodontia

Hereditary hypohidrotic ectdermal dysplasia

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6
Q

What is “lack of 6+ teeth”?

A

Oligodontia (type of hypodontia)

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7
Q

Where’s the most common site for hyperdontia, supernumerary teeth? And what’s the tooth called

A

maxillary incisors

mesiodens

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8
Q

Where is the most common site for hypodontia?

A

Molars

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9
Q

What is Riga-Fede disease?

A

When you have soft tissue trauma (because of natal teeth)

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10
Q

What are natal teeth?

A

teeth erupted at birth

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11
Q

What’s it called when you have two fused teeth, but normal number of teeth?

A

Gemination

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12
Q

What’s it called when you have two fused teeth, but one less tooth than normal?

A

Fusion

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13
Q

What does concresence teeth look like?

A

The root cementum is fused to the next tooth

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14
Q

What do dilaceration teeth look like?

A

Bent tooth root

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15
Q

Dens evaginatus?

A

a lobe that shoots out the middle of the tooth (usually premolar)

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16
Q

What’s the difference between dens invaginatus and Dens evaginatus?

A

Dens invaginatus: lateral incisor (actual extra tooth in the center)
Dens evaginatus: usually premolar (extra lobe coming out

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17
Q

What’s dens-in-dente?

A

Dens invaginatus (seen as a pit on the incisor edge) and it’s an extra tooth inside the tooth

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18
Q

What tooth is most common for dens-in-dente? dens invaginatus?

A

Maxillary Lateral incisors

19
Q

What is ectopic enamel called?

A

Enamel pearl

20
Q

What is an enlarged root chamber called?

A

Taurodontism

21
Q

What syndrome can cause taurodontism?

A

Tricho-dento-osseus syndrome

hair-tooth-bone abnormalities

22
Q

What does hypercementosis look like?

A

extra ball of cementum on the root (hard to extract)

23
Q

What disease can cause hypercementosis?

A

Pagets disease

24
Q

Which teeth are most likely to have dilaceration?

A

3rd molars

25
Q

What are the three parts of Amelogenesis imperfecta?

A

Hypoplastic (enamel doesn’t lay down everywhere)
Hypocalcified
Hypomaturation

26
Q

What does hypoplastic A. imperfecta look like?

A

Pitting

27
Q

What does hypomaturation A. imperfecta look like?

A

Snow capped teeth

28
Q

What does hypocalcified A. imperfecta look like?

A

Crumbly teeth, yellow brown, flaky teeth.

29
Q

What’s the gene mutation that causes Dentinogenesis imperfecta?

A

DSPP (dentin sialophosphoprotein)

30
Q

What’s the gene mutation that causes Osteogenesis imperfecta?

A

Col1

31
Q

What does dentinogenesis imperfecta look like?

A

Blue teeth

32
Q

What are 4 things dentinogenesis imperfecta looks like radiographically?

A

Bulbous crown
Cervical constriction
No pulp chamber
Thin roots

33
Q

What is type 1 dentin dysplasia?

A

Rootless teeth

34
Q

What is type 2 dentin dysplasia?

A

obliterated partial root canal (hot dog on a stick)

Blue teeth

35
Q

Is regional odontodysplasia inherited?

A

no

36
Q

Is A.I, D.I., D.D inherited?

A

yes

37
Q

What does regional odontodysplasia look like

A

Ghost teeth xray (un-erupted)

38
Q

What are pits called in the corners of the mouth?

A

Commissural lip pits

39
Q

What is a stafne defect called?

A

Lingual submandibular salivary gland depression

40
Q

How big is a nasopalatine duct cyst?

A

6mm

41
Q

How do you test an ankylosed tooth?

A

Tap it with a tool, sounds like dull thud

42
Q

Three syndromes associated with Taurodontism?

A

Tricho-dento-osseous syndrome
Kleinfelters syndrome
A. imperfecta

43
Q

What are calcified things in the pulp called?

A

Pulp stones

Oral Pathology Test 1 (12 decks)

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