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What does the term 'gingival margin' refer to?

  1. The inner surface of the gums

  2. The outer edge of the gingiva

  3. The base of a tooth

  4. The area where the tooth meets the gum

The correct answer is: The outer edge of the gingiva

The term 'gingival margin' specifically refers to the outer edge of the gingiva, which is the soft tissue surrounding the teeth. This area is crucial in dentistry as it indicates the boundary between the healthy gum tissue and any inflammatory changes that may occur due to periodontal disease. Understanding the gingival margin is important for assessing gum health and identifying the presence of gum disease. It plays a vital role in maintaining the overall health of the oral cavity, as the condition of the gingival margin can reflect the presence of plaque, tartar buildup, and other dental issues.