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 associated with abnormally large pulp chambers?

Regional odontodysplasia
Periodontal disease
Enamel mottling
Hyperthyroidism

The correct answer is: Regional odontodysplasia

Regional odontodysplasia is a condition in which the teeth have abnormal development. This can lead to abnormally large pulp chambers, which are the space within the center of the tooth where nerves and blood vessels are located. The other options, periodontal disease, enamel mottling, and hyperthyroidism, do not typically cause or have a direct association with abnormally large pulp chambers. Periodontal disease affects the gum tissue and bone that support the teeth, not the internal structures of the tooth. Enamel mottling is a discoloration of the tooth's outer layer and does not affect the pulp chambers. Hyperthyroidism can cause an overproduction of hormones, but it is not known to directly enlarge the pulp chambers. Therefore, these options can be ruled out as potential correct answers.