Chapter 6, Slide 18

Gingival epithelium

The gingival epithelium facing the tooth is divided into the sulcular (unattached) and junctional (attached) epithelia and is nonkeratinized. The gingival epithelium facing the oral cavity is keratinized and displays numerous rete pegs (extensions of stratified squamous epithelium into the underlying lamina propria).
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Legend: A, Sulcular epithelium; B, Junctional epithelium; C, Rete pegs