1. Digestive Disorders Oral Disorders

2. Digestive System Purpose: To break down food and absorb nutrients Purpose: To break down food and absorb nutrients Consists of two major parts: Consists of two major parts: –Alimentary tract (GI tract) –Digestive organs

3. Digestive System

4. Carries out 6 basic functions: ingestion, secretion, propulsion, digestion, absorption, defecation Carries out 6 basic functions: ingestion, secretion, propulsion, digestion, absorption, defecation Problems may arise during any of these functions Problems may arise during any of these functions

5. Oral Disorders Oral Cancer Oral Cancer May form in any part of the mouth or throat May form in any part of the mouth or throat Usually begins on the tongue or the floor of the mouth Usually begins on the tongue or the floor of the mouth

6. Contributing Risk Factors: Male Male Over the age of 40 Over the age of 40 Tobacco use Tobacco use Drinker Drinker Sun exposure (for lip cancer) Sun exposure (for lip cancer)

7. Symptoms White or red patches in your mouth White or red patches in your mouth Mouth sore that will not heal Mouth sore that will not heal Bleeding Bleeding Loose teeth Loose teeth Problems or pain with swallowing Problems or pain with swallowing A lump in the neck A lump in the neck Earache Earache

8. Oral Cancer on the Floor of the Mouth ©http://www.deltadental.com/images/HomogenousLeukoplakia.jpg

9. Oral Cancer on the Tongue

10. Treatment: Surgery Surgery Radiation therapy Radiation therapy Chemotherapy Chemotherapy

11. Surgery after Oral Cancer ©http://deseretnews.com/dn/view/0,1249,635197353,00.html

12. Periodontal Diseases Diseases of the gum Periodontal: “around the tooth” Periodontal: “around the tooth” Chronic bacterial infections that affect the gums and bones supporting the teeth Chronic bacterial infections that affect the gums and bones supporting the teeth

13. Periodontal Disease ©http://www.perio.org/consumer/2a.html

14. Gingivitis Gingivitis Mildest form of periodontal disease Mildest form of periodontal disease Causes gums to become red, swollen, and bleed easily Causes gums to become red, swollen, and bleed easily Reversible Reversible Usually a result of poor oral hygiene Usually a result of poor oral hygiene

15. If left untreated, it can turn into periodontitis If left untreated, it can turn into periodontitis Plaque grows and spreads below the gum line Plaque grows and spreads below the gum line Bacteria in plaque produce toxins and irritate the gums and supporting bones Bacteria in plaque produce toxins and irritate the gums and supporting bones Tissue and bone that support the teeth are damaged then destroyed Tissue and bone that support the teeth are damaged then destroyed

16. Gingivitis ©http://www.cetnet.net/~q2/dr/school/gingivitis/gingivitis_files/image004.jpg

17. Severe Gingivitis ©http://www.aids-images.ch/slides/484,700,600,0,0.jpg

18. There are many forms of periodontitis There are many forms of periodontitis “Trench Mouth” or necrotizing ulcerative gingivitis “Trench Mouth” or necrotizing ulcerative gingivitis Infection characterized by necrosis of gingival tissue, ligaments, or bone Infection characterized by necrosis of gingival tissue, ligaments, or bone

19. Tends to develop rapidly Tends to develop rapidly Often more painful than other gum diseases Often more painful than other gum diseases Usually seen in patients who are malnourished, immune-suppressed, or HIV positive Usually seen in patients who are malnourished, immune-suppressed, or HIV positive Called “Trench Mouth” because it was often seen in WWI soldiers who fought in the trenches Called “Trench Mouth” because it was often seen in WWI soldiers who fought in the trenches

20. Treatment Dentist will remove necrosed tissue Dentist will remove necrosed tissue Keep area clean Keep area clean Rinse mouth with salt water or antibacterial mouthwash Rinse mouth with salt water or antibacterial mouthwash Avoid smoking and alcohol Avoid smoking and alcohol