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National Dental Examining Board Of Canada (NDEB) Practice Exam

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Which teeth have the greatest risk for developing root caries?
Correct Answer:
Mandibular posteriors
Explanation:
Root caries occur as a result of age-related changes in the oral environment, such as decreased salivary flow and increased prevalence of periodontal disease. As a result, teeth that are more prone to these changes are at a higher risk for developing root caries. Mandibular posteriors (teeth in the bottom jaw towards the back of the mouth) have a higher risk due to their location and increased exposure to these factors compared to maxillary anteriors (teeth in the top jaw towards the front of the mouth). Therefore, options A, B, and C are incorrect because they are not as prone to these age-related changes and therefore have a lower risk for developing root caries compared to mandibular posteriors.

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