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Oral Pathology > exam 2- lecture 4 > Flashcards

exam 2- lecture 4 Flashcards

1
Q

union of 2 separate teeth. 1 crown, 2 roots

A

fusion

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2
Q

what factors cause enamel hypoplasia?

A

amelogenesis imperfect

febrile illnesses

vitamin deficiency

local infection of primary tooth (turners tooth)

enamel fluoride (mottled enamel)

congenital syphilis (hutchinsons incisors or mulbery molar)

birth injury

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3
Q

this is when teeth can’t erupt due to physical obstruction, most commonly 3rd molars

A

impacted teeth

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4
Q

what does an OKC look like on a radiograph and how do you treat it?

A

well defined multiocular RL lesion, treatment: surgical excision with curettage

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5
Q

what is the most common cyst?

A

radicular cyst

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6
Q

congenial lack of teeth

A

anodontia

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7
Q

this is radiographically well defined radiolucent that can be uniocular or multiocular, a biopsy must be done to rule out OKC or lateral periodontal cyst. treatment: surgical removal of lesion

A

primordial cyst

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8
Q

bull teeth.. long pulp chamber and short roots on x-ray

A

taurodontism

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9
Q

who are nasolabial cysts more common in?

A

adults 40-50 years old, females 4 times more likely

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10
Q

these are ghost teeth, very thin enamel and dentin, extremely large pulp chambers and treat with extraction

A

regional odontodysplaisa

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11
Q

single tooth that tries to divide itself. 2 crowns, 1 root

A

gemination

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12
Q

this type of cyst is most commonly found in the major salivary glands and needs to be surgically excised

A

lymphoepitheial cyst

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13
Q

soft tissue cyst with no alveolar bone involvement

A

nasolabial cyst

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14
Q

when a lesion is filled with blood

A

eruption hematoma

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15
Q

abnormal pathologic sac or cavity lined by epithelium and enclosed in a CT capsule

A

Cyst

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16
Q

abnormal curve or angle in root

A

dilacetation

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17
Q

who are lateral periodontal cyst/ gingival cysts more common in? how do you treat it?

A

males

asymptomatically. both need to be removed surgically

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18
Q

extra root or bifurcated root. most commonly single rooted teeth such as canines and mandibular premolar

A

supernumerary roots

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19
Q

this develops in place of a tooth(most commonly 3rd molar region), history that the tooth was never present and occurs in young adults

A

primordial cyst

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20
Q

who is a thyroglossal tract cyst more common in and how is it treated?

A

females 10-30 years of age.

complete excision of cyst/tract and part of hyoid bone

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21
Q

“ankylosis”.. primary teeth in which bone had fused roots

A

ankylossed teeth

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22
Q

what must be done to a aneurysmal bone cyst before removal?

A

aspirate or can cause excessive bleeding

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23
Q

this forms around the crown of an unerupted or developing tooth.. the most common located is an impacted 3rd molar. on a radiograph it is well defined uniocular radiolucent around crown of unerupted or impacted tooth

A

follicular cyst

treatment: removal

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24
Q

what is total anodontia associated with?

A

ectodermal dysplasia

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25
Q

this is a void within bone that fills up in six moths to a year

A

simple bone cyst

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26
Q

enamel invaginated into crown of a tooth, most common maxillary lateral.. is vulnerable to caries, pulpal infection and necrosis. filling or endo with treatment

A

dens in dente

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27
Q

who are nasopalatine duct cysts more common in?

A

males 40-60 years of age

well defined RL.

Treat with excision

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28
Q

also known as a traumatic bone cyst, occurs in young males, and is well defined radiolucent that has scalloping around the roots of teeth

A

simple bone cyst

29
Q

accessory cusp located in the area of the cingulum.. removed sometimes if intereference with occlusion

A

talon cusp

30
Q

what are examples of non odontogenic cysts?

A

nasopalatine duct cyst

median palatine cyst

globulomaxillary cyst

median mandibular cyst

nasolabial cyst

epidermal cyst

31
Q

what is the most common supernumerary teeth?

A

mesiodens

located in midline between centrals

32
Q

tooth lies partially in bone and soft tissue

A

partial infection

33
Q

incomplete or defective formation of enamel

A

enamel hypoplasia

34
Q

with a benign cyst teratoma, what can be found in a wall of a lesion?

A

teeth, bone, muscle, and nerve tissue

treat with removal

35
Q

what are the most common missing teeth?

A

3rd molar

maxillary lateral

mandibular 2nd premolar

36
Q

located to distal of 3rd molar

A

distomolar

37
Q

what does nasolabial cyst cause?

A

expansion or swelling in mucolabial fold in area of maxillary canine or floor of the nose

treat with surgical excision

38
Q

unique histologic appearance that frequently recurs, most common 3rd molar region.. expansive lesion that can displace and resort teeth

A

odontogenic keratocyst (OKC)

39
Q

who does aneurysmal bone cysts occur in?

A

females less than 30 yrs of age

40
Q

two adjacent teeth united by cementum

A

concresence

41
Q

located to buccal

A

paramolar

42
Q

this is a RARE lesion, located in the midline of the mandible, well defined radiolucent below the apices of incisors. treat with excision

A

median mandibular cyst

43
Q

this is located within the nasopalatine canal and associated with the incisive foramen or papillae an the teeth are vital

A

nasopalatine duct cyst

44
Q

what are some types of odontogenic cysts?

A

follicular

eruption

primordial

odontogenic keratocyst

lateral periodontal cyst/gingival cyst

45
Q

what is the most common position for impaction?

A

mesioangular

46
Q

extra teeth

A

supernumerary teeth

47
Q

what are the two categories of cysts?

A

odontogenic- related to tooth development

nonodontogenic- not related to tooth development

48
Q

small spherical nodule of enamel located in trifurcation area

A

enamel pearl

49
Q

developmental cyst often present at the birth or notes in young children

A

dermoid cyst

50
Q

this is well defined uniocular radiolucent located in the midline of the hard palate and treat with excision

A

median palatine cyst

51
Q

what kind of stain does tetracycline cause?

A

intrinsic or endogenous

52
Q

this is a raised nodule in the skin of the face of neck, thought to originate from epithelium of hair follicle. treat with excision

A

epidermal cyst

53
Q

what are the two types of cysts?

A

intraosseous- occurring within the bone

extraosseous- occur in the soft tissue

54
Q

lack of one or more teeth

A

hypodontia

55
Q

also known as stafnes bone cyst, well defined RL in posterior region of mandible. no treatment

A

static bone cyst

56
Q

this is most often seen in mandibular cuspid or premolar area.. it is a uniocular or multiocular RL lesion located on lateral aspect of a tooth root

A

lateral periodontal cyst

57
Q

this i from the foramen caecum to thyroid gland below the hyoid and presents as a smooth bulge or swelling in area of midline of neck

A

thyroglossal tract cyst

58
Q

enamel doesn’t mature and calcify (chalky white)

A

enamel hypocalcification

59
Q

enlargement of half the head with enlargement of the teeth on the other side

A

facial hemihypertrophy

60
Q

smaller teeth than normal.. usually more common with one tooth for example peg lateral

A

microdontia

61
Q

this is within the soft tissue around the crown of an erupting tooth and usually no freakin

A

eruption cyst

62
Q

what are the classifications of impactions?

A

mesioangular

distoangular

vertical

horizontal

63
Q

this is a vascular lesion, pesudocyst of blood filled spaces, multiocular soap bubble appearance

A

aneurysmal bone cyst

64
Q

larger teeth than normal

A

macrodontia

65
Q

pinkish yellow raised nodule located in the floor of the mouth or lateral borders of the tongue

A

lymphoepithelial cyst

66
Q

this is located in the soft tissue adjacent to the lateral periodontal cyst

A

gingival cyst

67
Q

where are dermoid cysts found?

A

anterior floor of the mouth

causes tongue displacement. (doughy)

68
Q

this is well defined pear shaped radiolucent formed between the roots of maxillary lateral incisor or canine, teeth are vital. treatment with excision

A

globulomaxillary cyst

Oral Pathology (15 decks)

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