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Types of gingival tissues
Alveolar gingiva : the portion covering the alveolar process.
Attached gingiva: The attached gingiva is continuous with the marginal gingiva. It is firm, resilient, and tightly bound to the underlying periosteum of alveolar bone.
Marginal gingiva (free gingiva): part of the oral mucosa that surrounds the necks of the teeth and forms the free margin of the gingival tissues,differentianted apically by the free gingival groove Interdental gingiva: The interdental gingiva occupies the
gingival embrasure, which is the interproximal space beneath the area of tooth contact. The interdental papilla can be pyramidal or have a "col" shape.
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