Gingiva

The gingiva is the soft tissue that covers the alveolar process and surrounds the neck of the teeth. The gingiva consists of an outer layer of epithelium and an inner layer of connective tissue. The gingiva is described as being free or attached. The free gingiva is that portion of the gingiva surrounding the neck of the tooth just above the cervix, not directly attached to the tooth, and forming the soft tissue wall of the gingival sulcus. The gingival sulcus is the V-shaped space between the free gingiva and the tooth. A healthy gingival sulcus extends to a depth of approximately 2 mm, at which point the gingiva is attached to the tooth by the epithelial attachment. See figure 3-5. The interdental papilla is the portion of the gingiva that fills the interproximal space between two adjacent teeth. A healthy gingiva is pink, firm, and resilient. Healthy gingiva is pale, coral pink and firm. When inflamed, the gingiva may become sore and swollen, and it may bleed.

EPITHELIAL Í.1 rAOtMEjNT

CtMENTOBJWAUtL JUNCTION

CORTICAL.

pufre

ALVEOLAR PROCESS

HfcRrODOr-V7A| I.IGAMENT

CORTICAL PLMt ¡LAMINA DI./FI*)

SPONGES/. BONE

Figure 3-5. Close-up view of the gingiva and tooth structures.

EPITHELIAL Í.1 rAOtMEjNT

CtMENTOBJWAUtL JUNCTION

CORTICAL.

pufre

OMENTUM

HfcRrODOr-V7A| I.IGAMENT

CORTICAL PLMt ¡LAMINA DI./FI*)

ALVEOLAR PROCESS

SPONGES/. BONE

Figure 3-5. Close-up view of the gingiva and tooth structures.

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Essentials of Human Physiology

Essentials of Human Physiology

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