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There is a well-defined monolocular scalloped-shape radiolucence with a cortical margin between the root of the 35 and 37 extending from the distal of 35 to the root tip of 37 squeezing along the root outline , measuring approximately 4 × 2 cm in diameter. The involved teeth from 35 to 37 are still alive with lamina dura.
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Trauma bone cyst well-defined (corticated) radiolucence asymptomatic beyond 20 years old 60% male common in the mandibular premolar and molar areas margin along the root , not push vital teeth scallop(several teeth)
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lateral periodontal cyst Same-- male prefer asymptomatic corticated round radiolucency along the lateral root surface in alveolar bone Different-- old ages often in mandibular premolar-canine-lateral incicor area(rarely in molars) some are botryoid round lucency(botryoid odontogenic cyst)
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aneurysmal bone cyst(ABC) same— well defined unilocular radiolucency different— large blood-filled spaces often described as "soap bubble" teeth moved and roots resorption
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odontogenic keratocyst(OKC) Same— scalloping asymptomatic different– wide age range multiple(about10%) teeth moved and roots resorption
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glangular odontogenetic cyst(GOC) same— painless scalloping different— usually anterior mandible middle aged teeth moved and roots resorption
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