2. Prevention of Infection: Oral Hygiene How can you keep your smile happy and cavity free? Q:?

3. Prevention of Infection: Oral Hygiene All the time, a white sticky film builds up on our teeth. This gets thicker if you don’t brush your teeth, does anyone know what this is called? A: Dental Plaque Q:?

4. Prevention of Infection: Oral Hygiene Let us take a closer look

5. Prevention of Infection: Oral Hygiene Dental Plaque Tooth Enamel

6. Prevention of Infection: Oral Hygiene What do you think is in Dental Plaque? Q:? A: Bacteria!

7. Prevention of Infection: Oral Hygiene There are over 1000 different types of Bacteria which make up Dental plaque, the main one being Streptococcus mutans These bacteria are ball shaped and usually join to form chains

8. Prevention of Infection: Oral Hygiene What do you think plaque bacteria like to eat? OR Q:?

9. Prevention of Infection: Oral Hygiene Yummy!

10. Prevention of Infection: Oral Hygiene Can you think of some examples of foods and drinks that contain sugar? Q:?

11. Prevention of Infection: Oral Hygiene What do you think this bacteria does to the tooth after eating it’s sugary food? Which give you a toothache Q:? A: They dissolve the enamel so holes (cavities) appear

12. Prevention of Infection: Oral Hygiene How can you get rid of these bacteria? Q:?

13. Prevention of Infection: Oral Hygiene Brushing last thing before going to bed and in the morning with a pea sized amount of fluoride toothpaste helps remove the plaque and bacteria. After brushing it is important to spit not rinse to leave some of the fluoride to protect the teeth from the bacteria