Which of the following is not a component of a comprehensive dental examination?

A comprehensive dental examination typically includes various components that collectively help in assessing a patient's oral health. While the medical history review, radiographs, and periodontal assessment are essential elements, a cosmetic assessment falls outside the standard components of a comprehensive dental examination.

The medical history review is crucial as it helps the dentist understand any underlying health conditions, allergies, or medications that may affect dental treatment. Radiographs are necessary for visualizing issues that are not apparent during a physical examination, such as cavities or bone abnormalities. The periodontal assessment evaluates the health of the gums and bone supporting the teeth, which is vital for determining any periodontal disease.

In contrast, though cosmetic assessment can indeed be relevant in a dental practice, particularly in aesthetic dentistry, it is not a fundamental part of the comprehensive examination aimed at diagnosing and treating dental health issues. Therefore, this option highlights an area focused more on aesthetic concerns rather than a primary evaluation of oral health, making it the correct answer in this context.