Flashcards in OM And OP Deck (95)
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According to Jones and Franklin, what percentage of specimens from oral and max pathology were for children under 16?
10%
1
What percentage of lesions were benign and what percentage were malignant?
Majority of lesions were benign
Less the 1% malignant
2
Which lesions predominate?
AOT
Ameoloblastic fibroma
3
Which lesions were rare?
Odontogenic tumours
4
What were the most frequently diagnosed mucosa lesions?
Mucous extravasion cyst 16%
5
How frequent were tooth pathology, salivary gland disease and mucosal path?
Tooth: 22%
Salivary gland: 19%
Mucosal: 12%
6
What percentage of Periapical path was seen and what type of lesions were they?nand how frequent were they?
Radicular cyst
Residual cyst
Chronic apical gran
13% of cases
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Now can you classify lesions?
Newborn
Infective/ulcerative
Pigmented, vascular and red lesions
Exophytic
Gingival enlargement
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Which newborn pathology is there?
Gingival cysts of infancy which include:
1. Bohns nodules
2. Gingival cyst of newborn
3. Epstein pearl
Rare:
congenital epulis of newborn
Melanotic nueroectoderma, tumour of infancy
Other
Partial ankyloglossa
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How do gingival cysts appear?
Small
White
Grey lesions on mucosa, alveolar ridge and hard palate
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How common are gingival cysts of newborn?
75% of new borns
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Why may parents not know their babies have gingival cysts?
Asymmptomic and rupture witching first three months of life
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What is the name of the gingival cyst that occurs on the alveolar ridge?
Bohns nodules
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Where do Bohns nodules arise from?
They arise from the remanants of the dental lamina
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What is the dental lamina?
It is the earliest epithelium to grow into ectomesenchyme
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What are the remnants of dental lamina called?
Epithelial cell rests of serres
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Where are the epithelial cell rests of serres located?
In the CT between the developing tooth crowns and oral mucosa
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What can happen to the Bohns nodules?
Can undergo cystic degen
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What are the midline raphe cysts called?
Epstein pearls
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How do Epstein pearls develop?
Small lesions located along the Palatal midline and they develop from trapped epithelium in the Palatal raphe which then undergo cystic change
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What are Epstein pearls lined by?
Keratinising stratified squamous epithelium
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Wheee do you find a congenital epulis?
Rare lesion seen in neonates
Usually in the anterior maxilla along the alveolar ridge
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What is the clinical appearance of a congenital epulis?
Soft round exophytic swelling
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In which gender a congenital epulis err common amongst?
Females
80% seen in females
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What is inside congenital epulis?
Granular cells which are covered by epithelium
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How do you manage congenital epulis?
Benign
Excise
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When does a melanocytic tumour develop??
This develops withing the first few mths of life.
60% are found in those less than 6 months
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Where are the majority of the MNT?
70% anterior maxilla
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What is the composition of a MNE?
Epithelial cells containing melanin with a fibrous stroma
Neoplasm of neuroblsstic pigmented epithelial cells of neural crest origin
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