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Oral Pathology > exam 2- lecture 4 > Flashcards

exam 2- lecture 4 Flashcards

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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
this is a void within bone that fills up in six moths to a year
simple bone cyst
26
enamel invaginated into crown of a tooth, most common maxillary lateral.. is vulnerable to caries, pulpal infection and necrosis. filling or endo with treatment
dens in dente
27
who are nasopalatine duct cysts more common in?
males 40-60 years of age well defined RL. Treat with excision
28
also known as a traumatic bone cyst, occurs in young males, and is well defined radiolucent that has scalloping around the roots of teeth
simple bone cyst
29
accessory cusp located in the area of the cingulum.. removed sometimes if intereference with occlusion
talon cusp
30
what are examples of non odontogenic cysts?
nasopalatine duct cyst median palatine cyst globulomaxillary cyst median mandibular cyst nasolabial cyst epidermal cyst
31
what is the most common supernumerary teeth?
mesiodens located in midline between centrals
32
tooth lies partially in bone and soft tissue
partial infection
33
incomplete or defective formation of enamel
enamel hypoplasia
34
with a benign cyst teratoma, what can be found in a wall of a lesion?
teeth, bone, muscle, and nerve tissue | treat with removal
35
what are the most common missing teeth?
3rd molar maxillary lateral mandibular 2nd premolar
36
located to distal of 3rd molar
distomolar
37
what does nasolabial cyst cause?
expansion or swelling in mucolabial fold in area of maxillary canine or floor of the nose treat with surgical excision
38
unique histologic appearance that frequently recurs, most common 3rd molar region.. expansive lesion that can displace and resort teeth
odontogenic keratocyst (OKC)
39
who does aneurysmal bone cysts occur in?
females less than 30 yrs of age
40
two adjacent teeth united by cementum
concresence
41
located to buccal
paramolar
42
this is a RARE lesion, located in the midline of the mandible, well defined radiolucent below the apices of incisors. treat with excision
median mandibular cyst
43
this is located within the nasopalatine canal and associated with the incisive foramen or papillae an the teeth are vital
nasopalatine duct cyst
44
what are some types of odontogenic cysts?
follicular eruption primordial odontogenic keratocyst lateral periodontal cyst/gingival cyst
45
what is the most common position for impaction?
mesioangular
46
extra teeth
supernumerary teeth
47
what are the two categories of cysts?
odontogenic- related to tooth development nonodontogenic- not related to tooth development
48
small spherical nodule of enamel located in trifurcation area
enamel pearl
49
developmental cyst often present at the birth or notes in young children
dermoid cyst
50
this is well defined uniocular radiolucent located in the midline of the hard palate and treat with excision
median palatine cyst
51
what kind of stain does tetracycline cause?
intrinsic or endogenous
52
this is a raised nodule in the skin of the face of neck, thought to originate from epithelium of hair follicle. treat with excision
epidermal cyst
53
what are the two types of cysts?
intraosseous- occurring within the bone extraosseous- occur in the soft tissue
54
lack of one or more teeth
hypodontia
55
also known as stafnes bone cyst, well defined RL in posterior region of mandible. no treatment
static bone cyst
56
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
lateral periodontal cyst
57
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
thyroglossal tract cyst
58
enamel doesn't mature and calcify (chalky white)
enamel hypocalcification
59
enlargement of half the head with enlargement of the teeth on the other side
facial hemihypertrophy
60
smaller teeth than normal.. usually more common with one tooth for example peg lateral
microdontia
61
this is within the soft tissue around the crown of an erupting tooth and usually no freakin
eruption cyst
62
what are the classifications of impactions?
mesioangular distoangular vertical horizontal
63
this is a vascular lesion, pesudocyst of blood filled spaces, multiocular soap bubble appearance
aneurysmal bone cyst
64
larger teeth than normal
macrodontia
65
pinkish yellow raised nodule located in the floor of the mouth or lateral borders of the tongue
lymphoepithelial cyst
66
this is located in the soft tissue adjacent to the lateral periodontal cyst
gingival cyst
67
where are dermoid cysts found?
anterior floor of the mouth causes tongue displacement. (doughy)
68
this is well defined pear shaped radiolucent formed between the roots of maxillary lateral incisor or canine, teeth are vital. treatment with excision
globulomaxillary cyst

Oral Pathology (15 decks)

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