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Hyperkeratosis

Hyperkeratosis. By: Kristen Seiwell - Adams. What is Keratin? . Keratin is a tough, fibrous, opaque, water-proof protein that does not allow passage of pathogenic invasion. It is also resistant to friction. Stratified Squamous epithelium can be Keratinized or Non-Keratinized. Oral Mucosa .

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Hyperkeratosis

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  1. Hyperkeratosis By: Kristen Seiwell - Adams

  2. What is Keratin? • Keratin is a tough, fibrous, opaque, water-proof protein that does not allow passage of pathogenic invasion. It is also resistant to friction. • Stratified Squamous epithelium can be Keratinized or Non-Keratinized

  3. Oral Mucosa • The epithelium lining the floor of the mouth, the ventral side of the tongue, the buccal mucosa, and the soft palate is nonkeratinized. • The epithelium associated with the gingiva and hard palate is usually keratinized. The dorsal surface of the tongue is also keratinized, but it is referred to as specialized mucosa because of the presence of papillae.

  4. So… What is Hyperkeratosis? • Hyperkeratosis:is a thickening of the outer layer of the oral mucosa. • This skin thickening is often part of the skin's normal protection against rubbing, pressure and other forms of local irritation. • Common Causes: • Examples: Bruxism, cheek biting, smoking, othodontic treatments and dentures. • It also causes calluses and corns on hands and feet. It can cause whitish areas inside the mouth

  5. hyperkeratosis

  6. Chronic Cheek Biting of the Buccal Mucosa

  7. Caused by Dentures

  8. Severe Hyperkeratosis

  9. How can Dental Hygienists help? We can recommend: • Quitting smoking • Treatment for Bruxism, such as a bite plate • Brushing your tongue, during routine brushing of teeth • Refer to Dentist where the irritation of dentures or ortho appliances. • Example: give the patient wax where the ortho appliance may rub or filing down a part of a denture that may cause the irritation.

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