National Dental Examining Board of Canada (NDEB) Practice Exam

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Destruction of bone in periodontal disease occurs in what kind of cycle pattern?

  1. Continuous

  2. Random

  3. Linear

  4. Progressive

The correct answer is: Random

Periodontal disease is a condition caused by inflammation that damages the gums and other supporting structures of the teeth. This inflammation can happen in short bursts instead of continuously, resulting in a random pattern of bone destruction. The destruction of bone in periodontal disease does not usually occur in a continuous, linear, or progressive pattern. Typically, the disease will go through periods of activity and then periods of remission, resulting in a random cycle pattern of bone destruction.

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