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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show | Body’s attempt to protect the area of tissue
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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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Periapical granuloma? etiology? | show 🗑
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Pathogenesis of Periapical Granuloma | show 🗑
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show | Apex of the tooth
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radiographic appearance of Periapical Granuloma | show 🗑
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show | Plasma cells, neutrophils, macrophages, eosinophils
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Radicular cyst/“periapical cyst” | show 🗑
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Common causes of Radicular cyst? Location? | show 🗑
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Epidemiology of Radicular Cyst? | show 🗑
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show | non-keratinized epithelial lining w/necrotic debris & inflammation infiltrate
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Pathogenesis of Radicular cyst? radiographically? | show 🗑
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show | Benign lesion/pseudocyst that is blood filled
A localized dilatation of an artery or a vein
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Pseudocysts? | show 🗑
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show | prior trauma or some genetic components
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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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Traumatic bone cyst? | show 🗑
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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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show | unknown but condition is considered reactive or developmental (related to a defect in the bone and/or cementum remolding)
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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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show | Apex of the vital teeth
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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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show | caused by the accumulation of fluid and blood between the crown of an erupting tooth and the reduced enamel organ, due to trauma
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show | deciduous teeth and perm molars of children
crest of alveolar ridge/gingiva
bluish swelling of the tissue with a dome-shape
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Odontogenic Keratocyst (OKC)? | show 🗑
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Location of OKC? | show 🗑
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Clinical Characteristics of OKC? | show 🗑
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Calcifying Odontogenic Cyst? | show 🗑
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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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location of Nasopalatine/incisive Canal Cyst? radiographically? | show 🗑
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show | Rare fissural cyst believed to develop from entrapped epithelium along the embryonic line of fusion in the two lateral mx processes that fuse to make the hard palate.
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show | apically centered toward the midline hard palate
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show | Rare
Midline of mandible
Well-defined radiolucency below apices of md incisors
Surgical excision
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show | Benign neoplasm of epithelial tissue; epithelial odontogenic tumor with a dense fibrous connective tissue capsule. facial swelling
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Location/epidemiology of Adenomatoid odontogenic tumor? | show 🗑
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Odontogenic myxoma? | show 🗑
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show | “step ladder” or “honeycombed” appearance.
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show | The lesions are composed of neoplastic epithelium and neoplastic myxomatous connective tissue and are usually associated with third molars.
mixed odontogenic tumor; rare
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Perioral and Intraoral Characteristics of Ameloblastic fibroma? | show 🗑
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