Oral Path Chap 19
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| show | abnormal cavity in hard or soft tissue, which contains fluid or semi-soft fluid and is often encapsulated and lined with epithelium
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| Why does a cyst form? | show 🗑
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| show | Epithelium grows and forms a distinct circle, and eventually closes itself from the surrounding tissue
Cyst fills with fluid and expands
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| show | Absorb bone
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| show | cysts with an epithelial lining composed of remnants of the tooth-forming organ that arise primarily in tissue and bone
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| Non-odontogenic cyst? | show 🗑
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| Pseudocyst? | show 🗑
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| show | result of necrotic pulp tissue and by-products resulting from inflammatory process that has damaged the tissue at the apex of the tooth
i-e trauma, perio disease, fracture.
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| Pathogenesis of Periapical Granuloma | show 🗑
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| show | Apex of the tooth
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| show | round or ovoid translucent lesion
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| Cells in Periapical Granuloma that help to fight infection? | show 🗑
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| show | Always associated with a nonvital tooth
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| Common causes of Radicular cyst? Location? | show 🗑
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| Epidemiology of Radicular Cyst? | show 🗑
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| Microscopic features of Radicular cyst? | show 🗑
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| Pathogenesis of Radicular cyst? radiographically? | show 🗑
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| Aneurysmal bone cyst? | show 🗑
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| show | False cyst
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| where does aneurysmal bone cyst arises from? | show 🗑
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| show | less than 30 years of age; sl. more females
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| show | unilocular or mutilocular lesions
removal of lesion and curettage
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| show | Simple bone cyst
thought to be caused by trauma
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| show | 10-20 year old age group
may be empty or filled with a small amount of fluid (blood & bone products)
Mand.
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| Radiographic charac. of Traumatic bone cyst? | show 🗑
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| Cemento-osseous dysplasia Etiology? | show 🗑
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| Cemento? | show 🗑
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| show | Bone
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| Where can Cemento-osseous dysplasia develop? | show 🗑
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| show | contains fibrous connective tissue that can be seen with bone and cementum in varying amounts
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| Location of Cemento-osseous dysplasia? | show 🗑
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| Static (Stafne) bone cyst? | show 🗑
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| Location of Static bone cyst? | show 🗑
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| show | lacking in movement, action, or change, especially in a way viewed as undesirable or uninteresting.
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| show | odontogenic, nonkeratinized developmental cyst
30 years and older; > males
md premolar-canine; on lateral surface
Asymptomatic but adjacent teeth are vital
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| show | Second most common cyst of the jaw
arises from a cystic change in the dental follicle following crown formation
forms around crowns of unerupted tooth
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| show | fluid between formed crown and reduced enamel epithelium
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| Location of Dentigerous Cyst? | show 🗑
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| Eruption cyst/“eruption hematoma” | show 🗑
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| Epidemiology/location/Clinical characteristics of Dentigerous Cyst? | show 🗑
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| show | Develops from dental lamina or its remnants. more common in male
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| Location of OKC? | show 🗑
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| show | large enough to displace teeth and extend through the cancellous bone into the oral cavity; as jaw weakens it may fracture
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| show | calcifying cyst derived from reduced-enamel epithelium or dental lamina remnants
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| Radiographic Calcifying Odontogenic Cyst? | show 🗑
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| Microscopic feature of Calcifying Odontogenic Cyst? | show 🗑
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| Gingival Cyst? Clinical characteristics? Location? | show 🗑
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| Nasopalatine/incisive Canal Cyst? | show 🗑
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| show | nasopalatine canal; between the mx central incisors
heart-shaped
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| Median Palatine Cyst? | show 🗑
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| Location of Median Palatine Cyst? | show 🗑
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| show | Rare
Midline of mandible
Well-defined radiolucency below apices of md incisors
Surgical excision
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| Adenomatoid odontogenic tumor? | show 🗑
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| show | usually surrounds the crown of a tooth/impacted tooth; anterior mx. seen in an adolescent or young adult; females
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| show | Derived from odontogenic ectomesenchyme, and it originates in the periodontal ligament or dental pulp. capable of rapid growth . Root resorption and displacement may be seen in some cases
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| Myxomas have also been described as? | show 🗑
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| Ameloblastic fibroma? | show 🗑
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| show | no pain with any swelling that may occur.
has potential for extensive growth causing jaw expansion.
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