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27 Cards in this Set
- Front
- Back
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Periapical inflammatory lesion definition.
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defined as a local response within the bone at the apex of a tooth following necrosis of the pulp caused by bacterial invasion of the pulp through caries exposure or trauma or extensive periodontal disease.
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Loss of apical lamina dura & widened PLS- non-vital tooth
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Acute apical periodontitis; (acute abscess)
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Radiolucency at apex; non-vital tooth
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Dental granuloma
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Radiolucency at apex; radiopaque border;
non-vital tooth |
Radicular cyst
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Radiolucency at apex; vital tooth; LD intact
Mandibular incisors most common site |
Periapical cemental dysplasia stage 1
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Radiolucency at apex of root filled tooth ,
opaque border; After apical surgery- no border |
Radicular cyst
Apical scar due to loss of cortical plate |
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How will a Residual cyst usually present?
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Radiolucency in extraction site. Radiolucent 1cm+ diameter. Well defined corticated border
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what is the usual presentation of a Median alveolar cyst?
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Radiolucency in the midline between upper centrals. Teeth vital: not heart shaped
Incisive canal and papilla are NOT involved |
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what is the usual presentation of a Nasopalatine duct cyst?
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Heart shaped radiolucency;
Corticated border; Teeth vital Non-odontogenic |
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what is the usual presentation of a Median palatine cyst?
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Swelling and radiolucency in
Midline hard palate |
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what is the usual presentation of a Median mandibular cyst?
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Midline mandible Below or between lower centrals. Buccal expansion, distal
Displacement. Round, corticated 2-3cm |
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Radiolucent 1cm+ diameter.
Well defined corticated border. In place of any previous extracted tooth location |
Residual Cyst
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Oval. Maybe pseudo loculated.
Smooth, finely corticated margin.Moderate radiolucency.Post body of mandible maxillary Canine region. |
Kerato cyst
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Multilocular, radiolucent with
smooth scalloped corticated margins. Posterior body of Mandible. Less frequent maxilla. |
Ameloblastoma
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Greater than 3mm up to 10cm.
Round, smooth outline, corticated border. May cause displacement. Associated with crown of tooth. |
Dentigerous Cyst
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Extensive bucco-lingual expansion.
Gross displacement of teeth. Multilocular and corticated border.Bilateral posterior mandible |
Cherubism
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Round mono lesion early stage.
Multiloculated with fine trabeculae/ septa. Well-defined, variable cortication. Maybe associated with missing or unerupted tooth. Posterior mandible and maxilla. |
Myxoma
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Multilocular honeycomb buccal and lingual expansion with undulating border. Adjacent teeth often displaced. Mandible – in
site of deciduous dentition. May Cross midline. |
Giant cell granuloma early stage
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multiple kerato cysts; basal cell carcinomas; skeletal abnormalities
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Gorlins syndrome
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lesions at apices of vital teeth usually lower anteriors
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Cementoma
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teeth “hanging in air” appearance; irregular borders to radiolucencies
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Histiocytosis X
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loss of all lamina duras; increased serum Ca and alkaline phosphatase
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Hyperparathyroidism
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punched out radiolucencies with smooth borders
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Multiple myeloma
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radiolucencies with/without history of malignant disease elsewhere
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Metastatic tumour
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Multiple “ cotton wool”
–like radiopacities,skull and other bones involved |
Pagets disease
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Radiopaque lesions
containing enamel, dentin and pulp.Compound when two or more small toothlike structure.complex when an irregular of calcified tissue |
odontoma
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Mandible involved in
75% of cases; also long bones.Enlarged thickening of inferior boder of mandible. |
Caffey’s Disease
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