Oral pathology Flashcards
Wearing away of teeth from tooth to tooth contact, malocclusion, grinding and mastication
attrition
teeth wear from use of abrasive substances
excessive oral hygiene habits
abrasion
angular notch at the gumline caused by bending forces applied to the tooth
abfraction
loss of tooth structure from a chemical process
shiny, glossy look
erosion
Excess number of teeth
supernumerary teeth
what is the most common and the 2nd most common supernumerary teeth
mesiodens - between centrals
2nd most common - maxillary molar area
complete abscence of teeth
ectodermal dysplasia
anodontia
partial anodontia: one or several teeth are missing
less than normal teeth
hypodontia
congentially missing 6 teeth or more - 3rd molars are common
oligodontia
small teeth
most common is peg lateral - maxillary
microdontia
large teeth
rare
macrodontia
Bull tooth
more common in down syndrome
enlarged pulp chamber
taurodontism
hereditary disorder of enamel formation
amelogenesis imperfecta
inherited dentin disorder
teeth are discolored - opalescent dentin
dentinogenesis imperfecta
space between adjacent teeth
diastema
internal resorption
pulp may show through enamel - tooth may appear pink
enlarged pulpal chamber
resorption of the teeth externally
external resorption
teeth are joined at the cementum
concrescence
two teeth have developed from a single root
normal count of teeth
gemination
two teeth are joined during development
one tooth less than normal
fusion
tooth within a tooth
most common maxillary lateral incisor
dens in dente
exaggerated bend in root
dilaceration
disturbance of enamel formation during development
usually present in bifurcations or trifurcations
enamel pearls
systemic causes of hypoplasia
early childhood diseases
birth trauma, syphillis acquired at birth, trauma
hutchinson’s incisors and mulberry molars - syphillis
fluorosis - high levels of fluoride ingestions
local causes of hypoplasia
turners tooth - hypo calcified permanent tooth
staining that occurs of environmental factors such as tobacco use, wine, grape juice
extrinsic stain (exogenous)
staining that may occur from enlarged pulp chamber or trauma
dentin is darkened
intrinsic stain (endogenous)
endogenous gray, yellow, brown staining
tetracycline staining
staining that is more serious in children - hyperbilirubinemia, Rh incompatibility, ABO incompatibility, hemolytic disease, and sepsis
green staining
scattered red dots are the orifices of inflammed minor salivary glands, benign but predisposed to malignancy
nicotinic stomatitis
white patches that cannot wipe off
leukoplakia
milky white lesions of buccal mucosa that disappear when stretched
more prominent in dark skin individuals
leukoedema
hyperkeratotic line of buccal mucosa along plane of occlusion
linea alba
most common fungal infection
local factors: xerostomia, complete dentures, steroid inhalers
systemic factors: antibiotic therapy, HIV+, uncontrolled diabetes
candida albicans
white plaques that wipe off
erythematous candidiasis
pseudomembranous candidasis (thrush)
flat, brown freckle
known as focal melanosis
melanotic macule
gray, blue-black, flat lesion
amalgam particles embedded in soft tissue
amalgam tattoo (focal argyrosis)
intraoral sebaceous oil glands
small bilateral, yellow nodules
fordyce granules
fissured areas at the corner of the mouth
TX: topical - nystatin, clotrimazole
systemic - ketoconazole, fluconazole (diflucan)
angular chelitis
dilated superficial veins
prominent on ventral tongue
varicosities
Most common location of intraoral cancer
lateral border
Areas of erythema (atrophy of filiform papillae) surrounded by raised, white border
geographic tongue (erythema migrans)
short, thick lingual frenum - limitation of tongue movement affecting speech
ankyloglossia (tongue tied)
elongation of the filiform papillae
heavy smoking, antibiotic therapy, poor oral hygiene
hairy tongue
fissures and grooves on dorsal of tongue surface
common in down syndrome clients
fissured tongue (furrowed tongue, scrotal)
enlarged tongue excess growth hormone mouth breathing hypodontia common in down syndrome
macroglossia
red, atrophic area
often associated with candida albicans
anterior to circumvallete papillae
median rhomboid glossitis
calcification within gland or duct
wharton’s (submandibular) duct most common site
may cause obstruction
sialoithiasis (salivary stone)
stafne’s bone cyst
depression on the mandible at the inferior alveolar canal - submandibular gland
no TX
lower lip most common site
bluish/pink fluid filled nodule
caused by traumatic severance of salivary gland duct
mucocele
mucocele of the floor of the mouth
usually associated with sublingual gland
floor of the mouth - swelling
ranula
most common tumor of the salivary glands - benign
parotid gland most common
pleomorphic adenoma
virus transmitted through saliva or respiratory secretions
bilateral parotid enlargement
mumps
most common tumor of the oral cavity
fibroma
cause by hpv
often found in soft palate and uvula
peduculated stalked
papilloma
developmental vascular lesion
tongue most common site
hemangioma
increase in number of cells present causing inflammation
gingival hyperplasia
medications that cause gingival hyperplasia
phenytoin, procardia, cyclosporine
fibroma around denture flange, caused by ill fitting denture
epulis fissuratum
inflammed pulp tissue within a tooth that is severly decayed or has a large open carious lesions
chronic hyperplastic pulpitis
papillary lesions under maxillary denture, especially if denture never removed
papillary hyperplasia of the palate (pseudopapillomatosis)
pregnancy tumor - hormonal influenced, especially during pregnancy
pyogenic granuloma
giant cells present - multinucleated
peripheral giant cell granuloma
traumatic ulcer
caused by trauma biting, vigorous brushing, eating hard pointed chips
painful
7-14 healing time
aphthous ulcer
recurring and painful, well circumscribed with erythematous halo
located on unattached mucosa
stress, acidic, or trauma induced
intial infection: primary herpetic gingivostomatitis - painful red, multiple vesicles progressing to ulcers
systemic problems : malaise, fever, lymphadenopathy
herpes simplex virus 1
herpes labialis
found on the lip border, recurrent cold sores, fever blisters - vesicles will ulcerate
Recurrent intraoral HSV
bound down - keratinized mucosa (hard palate and attached gingiva)
treatment for herpes 1
acyclovir
chickenpox - erythema, vesicles, pustules, crusted lesions
shingles - painful unilateral erythema, vesicles, and ulcera
varicella zoster virus
mononucleosis infections - fatigue, malaise, palatal petechiae
burkitts lymphoma
oral hair leukoplakia
epstein barr virus
cytomegalovirus
mostly in immunocompromised
oral mucosal ulcerations
recurrent painful HSV infection of the fingers
herpetic whitlow
neoplastic lesion
multiple bluish-purple and white macules and plaques
common HIV infected clients
kaposi sarcoma
herpangina (coxsackie virus)
vesicles or ulcers of posterior oral cavity or soft palate
ulcerations or vesicles of feet, mouth, and hands - painful
prevalent in young children
hand foot and mouth disease (coxsackie virus)
autoimmune disease causing xerostomia and dry eyes
sjogren syndrome
Bulls eye
multiple mucosal surfaces are ulcerated
usually triggered multiple med use
acute ulcerative condition of skin and mucous membranes
stevens johnson syndrome - erythema multiforme
butterfly rash found on face
lupus erythematosis
skin disease that may appear as fine lace like white lines - wickhams striae or red ulcerations (erosive)
lichen planus
long term neuromuscular disease
varying degrees of skeletal muscle weakness
myasthenia graves
cyst
lining is epithelial tissue produced during tooth development
remnants of the dental lamina
epithelial rests of serres
remnants of hertwigs tooth sheath
epithelial rests of malassez
dentigerous cyst (follicular cyst)
located around crown of impacted tooth
commonly - mand wisdom teeth and max canines
lateral periodontal cyst
common between roots of mandibular premolars`
radicular cyst
periapical cyst
found at apices of necrotic tooth
well-circumscribed funicular radiolucency
residual cyst
remanant of radicular cyst
odontogenic keratocyst (OKC)
associated with basal cell carcinoma
commonly in posterior of mandible
primordial cyst
replaces tooth
globulomaxillary cyst
found between maxillary lateral and canine incisors
nasopalatine duct cyst (incisive canal)
radiolucency found at midline of max anterior
heart shaped appearance anterior to nasal spine
nasolabial cyst
nasolacrimal cyst
located over the maxillary canine region - may swell
may lift ala of the nose
premalignant lesions
possible premalignancy to squamous cell carcinoma
dysplasia (carcinoma in situ)
precancerous skin lesion that may lead to squamous cell carcinoma
irregulary shaped and scaly plaque
sun exposure is a factor
actinic keratosis
precancerous lesion on lower lip
red, white, ulcerated or crusted appearance
actinic cheilitis
most common type of skin cancer
basal cell carcinoma
most common types of oral cancer
often seen on lateral surfaces of tongue or floor of the mouth
squamous cell carcinoma
bone marrow tumor - poor prognosis often fatal
causes anemia and painful bone
punched out radiolucent bone, including jaw
multiple myeloma
pigmented tumor
most dangerous form of skin cancer
melanoma
wrinkled, corrugated white lesion at site of placement
leukoplakia with increased risk of developing malignancy
snuff dippers keratosis
most common, usually benign bone condition
odontoma
mixed radio-opaque/lucent lesions on the apex of vital teeth - commonly in mandibular anterior
prevalent in african american middle aged women
cementoma
usually multiocular radiolucency (soap bubble or honey combed)
usually posterior mandibular
ameloblastoma
radiopaque lesion at apex of inflamed or necrotic tooth
condensing osteitis
mixed radiolucent/radiopaque lesions at apices
common in lower anterior teeth
involved teeth are vital
common in middle aged african-american woman
periodical cemental dysplasia
multiple quadrants: dense mass of cementum of bone
both edentulous and edentulous areas may be affected
florid cements-osseous dysplasia
hypoplastic or absent clavicles
associated with supernumerary teeth
cleidocranial dysplasia
cotton wool radiopacities
alkaline phosphates elevated
pagets disease
what virus is associated with herpangina
coxsackie virus
epulis fissuratum is caused by
ill fitting denture
most common site for supernumerary tooth
between the max cental incisors