Oral Tissues

Gingiva types:

        Attached gingiva (covering upper alveolar bone)

        Free gingiva (form cuff round enamel at neck of tooth)

Gingival crevice:

        Potential space between enamel and free gingiva (from tip of free gingiva to CEJ, cemento-enamel junction)

Odontoblasts:

        produce dentine

Ameloblasts:

        produce enamel

Crevicular epithelium:

        areas sensitive to pathogens (lymphocytes/plasma cells)

Periodontal membrane:

        attachment between tooth root and alveolar bone. allow for slight movements, cushion the impact of chewing. MADE OF DENSE COLLAGENOUS TISSUE. ATTACH ALVEOLAR BONE TO CEMENTUM