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20 Cards in this Set
- Front
- Back
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Periapical Cyst
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old lecture
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Lateral Cyst
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exam 3 lect
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Residual Cyst
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exam 3 lecture
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Buccal Bifurcation cyst
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NO extraction
surgical extraction |
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paradental cyst
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distal or buccal root of partially erupted 3rd molar
males 20-25 similar to radicular cyst |
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dentigerous cyst
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surrounds crown
1 unerupted 3rd molar > 2 max Canine uniocular --> multiocular (OKC transformation) extraction of tooth (6 mnth follow up) ==> ameloblastoma, epithelial dysplasia & SCC, mucoepidermoid carcinoma |
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eruption cyst
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no radiographic findings
unroofing cyst to help eruption |
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primordial cyst
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must occur in place of tooth
globulomaxillary cyst may be a primordial cyst usually an OKC |
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odontogenic keratocyst (OKC) (KCOT
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male
<root resorption than dentigerous need microscopic exam picket fence appearance |
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orthokeratinized odontogenic cyst (OOC)
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NO palisaded nuclei of epi cells in basal layer
NO parakeratin - orthokeratin rather 2% recurrence rather than 20% OKC |
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Nevoid Basal Cell Carcinoma Syndrome (Gorlin Syndrome)
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autosomal
skin, (# BCCs @ puberty, epi cysts, palmar/plantar pits) skull (#OKCs, large head circ, calcified flax cerebri) bone (bifid rib, spina bifida, scoliosis) |
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Gingival Cysts of Newborn
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# smooth white papules 1-2mm on alveolar gingiva
maxilla>mandible dental lamina remnants |
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Gingival cysts of adult
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see 'cupping out' erosion of cortical bone @ surgery
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lateral periodontal cyst
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dx of exclusion
males >30 MC* mandibular canine-premolar area mucosa only 'Zellerballen' effect lined by thin flat squamous epithelium w/ fibrous tissue |
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Botryoid Odontogenic Cyst
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multilocular version of lateral periodontal cyst
'cluster of grapes' appearance |
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calcifying odontogenic cyst (Gorlin Cyst)
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uncommon
anterior jaw unilocular RL/RO 2-4cm type 1 - cystic, young pts type 2 - solid tumor, older pts dx by histo: 4-10 cells thick, Ghost cells required |
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Glandular odontogenic cyst
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mandible, adults
large multilocular RL cuboidal epi w/ papillary surface lining lumen, pools of mucus similar to low grade intra-osseous mucoepidermoid carcinoma |
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carcinoma from an odontogenic cyst
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posterior mandible
*MC precursor - PA cyst 25% - dentigerous cysts males 2:1, 59 yo RL w/ ragged or irregular border w/ adjacent bone |
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rests of serres
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residual from dental lamina (gingiva)
separated from tooth by bone |
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rests of mallassez
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residual from hertwigs root sheath (bone)
NOT separated from tooth by bone |
