The gingival crest is the unattached, uppermost edge of the gingiva (gum tissue) surrounding a tooth. It essentially marks the boundary where the free gingiva meets the tooth.
Here's a more detailed breakdown:
- Gingiva: The gum tissue that covers the alveolar bone and surrounds the neck of the tooth.
- Free Gingiva: The unattached portion of the gingiva that forms a collar around the tooth. The gingival crest is the most coronal (towards the crown) portion of the free gingiva.
- Attachment: Unlike the attached gingiva, which is firmly bound to the underlying bone and tooth, the free gingiva is not directly attached in this way. This allows for a small sulcus (gingival sulcus or crevice) to exist between the free gingiva and the tooth surface.
The gingival crest's health and appearance are important indicators of overall periodontal health. Healthy gingival crests are typically pink, firm, and have a scalloped outline following the contours of the teeth. Inflammation or recession of the gingival crest can indicate gingivitis or periodontitis.
In essence, the gingival crest is the highest point of the gumline around a tooth, and its condition is crucial for maintaining good oral health.
