Oral Health Lesson 2 Learning about healthy teeth

Oral Health Lesson 2 Learning about healthy teeth: eating

Lesson 2 Aims To know why it is important to look after our teeth • To know what are healthy and unhealthy snacks for our teeth • To know how to check foods and drinks to see how healthy they are •

Recap Tooth Decay Bacteria + Sugar in Plaque = Acid + Tooth Erosion Acid in food and drinks + Tooth Erosion Decay

Results of science experiment Complete the experiment report: • What happened to the eggs? What was the outcome? • How quickly did the changes happen? • Was your hypothesis correct? • What does this mean about what we drink and our teeth? • Was the experiment a good way of testing how our teeth are affected by liquids?

Results of science experiment Every time you have a sugar hit, there is an acid attack on your teeth The acid weakens and dissolves the hard surface of teeth 5

Healthy Snacks

Unhealthy Snacks and sugary/acidic drinks

How much sugar is in food and drink? 1 teaspoon = 4 grams of sugar

Sugar but with a different name! What other words mean sugar? • • • Glucose Syrup Honey Molasses Sucrose Fructose Maltose Modified starch ……. list goes on!

How much sugar is too much? Children aged 7 to 10 should have no more than 24 g of sugar a day That is only 6 teaspoons of sugar (or 6 sugar cubes) Adults should have no more than 30 g of sugar a day (7 sugar cubes)

Activity How many teaspoons of sugar in each of these? One teaspoon = 4 grams of sugar 1 2 3 4 5 6 7 8

Answers 1 2 3 4 5 6 7 8

Tips to Prevent Tooth Decay and Tooth Erosion • Cut down on foods and drinks that contain sugar • Cut down on fizzy drinks • Avoid sports drinks • Look after your teeth- brush every day • If possible, avoid brushing your teeth after having anything acidic for at least 30 minutes • Have regular dental check-ups

Homework/ Activity Dewi has been to his dentist, who is worried that Dewi may be getting tooth decay The dentist has asked Dewi to keep a food and drink diary for two days, writing down everything he eats and drinks Dewi liked filling in the diary and took it back to the dentist at his appointment two weeks later Follow the worksheet to look at Dewi’s food and drink diary