National Dental Examining Board of Canada (NDEB) Practice Exam

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Master your National Dental Examining Board of Canada (NDEB) exams with our comprehensive practice guide. Achieve excellence in your dental certification with expertly crafted questions and detailed explanations.

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What condition is characterized by multiple well-defined multilocular radiolucencies of maxilla and mandible in a 5-year-old?

  1. Cherubism

  2. Osteosarcoma

  3. Central Giant Cell Granuloma

  4. Ameloblastoma

The correct answer is: Cherubism

Cherubism is a rare genetic condition that typically presents in childhood and causes bilateral multilocular radiolucencies in the maxilla and mandible. While osteosarcoma, central giant cell granuloma, and ameloblastoma can also present with multiple radiolucencies, they are not typically seen in a bilateral pattern or in children as young as five. Osteosarcoma is a type of bone cancer that presents as a destructive, irregularly shaped tumor, whereas central giant cell granuloma is a noncancerous lesion that appears as a unilocular or multilocular radiolucency with a well-defined border. Ameloblastoma is a benign tumor that may present as a unilocular or multilocular radiolucency, but it typically appears in adults. Therefore, the best answer for this question is A Cher