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In a healthy adult, what is the typical depth of the gingival sulcus measured with a periodontal probe?

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✓ Correct answer: B. 1 to 3 millimeters A clinically healthy sulcus measures roughly 1 to 3 mm. Readings of 4 mm or more usually indicate attachment loss or a pseudopocket and warrant further evaluation.

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Topic: Periodontology
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