Oral Mucosa: Keratinized and Non-keratinized epithelium - Video now on YouTube!
The two main components of the oral mucosa are 1) the oral epithelium called stratified squamous epithelium and 2) the underlying connective tissue, also called lamina propria.
The epithelium and connective tissue interface is wavy and undulating with the connective tissue papillae interdigitating with the epithelial ridges or pegs.