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Identify reasons for keeping your mouth healthy. Discuss what causes teeth and gums to become unhealthy. Identify that different teeth have specific.

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Presentation on theme: "Identify reasons for keeping your mouth healthy. Discuss what causes teeth and gums to become unhealthy. Identify that different teeth have specific."— Presentation transcript:

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3 Identify reasons for keeping your mouth healthy. Discuss what causes teeth and gums to become unhealthy. Identify that different teeth have specific functions. Understand that different food choices can decay or stain your teeth. Identify the parts of a tooth and explain how to keep teeth healthy.

4 Babies Vs. Adults How many teeth does the average baby have? How many teeth does the average adult have? Why is there a difference?

5 Human Teeth 20 Primary teeth (baby teeth) 32 Permanent Teeth

6 There are four different types of teeth. molarpre molar Incisors and canines

7 Incisor- teeth in the very front, sharpest teeth, built to cut food and shaped to shovel the food toward the back of the mouth..

8 Canine- corners of the mouth, meant for grasping and tearing food, they have very long roots.

9 Premolar- flat chewing surface because they're meant for crushing food. Molar- last teeth towards the back of your mouth, much bigger than the Premolars and have bigger, flatter chewing surfaces because their job is to chew and grind the food into smaller pieces.

10 What are your teeth made of? Crown Enamel Dentin Pulp Root Gums Neck

11 Enamel- White outer surface of tooth, Calcified surface that is stronger than bone.

12 Dentin-Surface directly beneath enamel that is less calcified, similar to bone, becomes visible with excessive wear to the teeth. (Shock Absorber)

13 Pulp- Inner most part of the tooth, houses the nerve and blood supply to the tooth. Damage could cause the tooth to die. Crown Root

14 Plaque- A sticky film that forms on your teeth from the bacteria, food, and saliva in your mouth.

15 In the BEFORE picture, you can see the buildup of plaque on these teeth with the aid of a disclosing agent. The AFTER picture shows the removed plaque.

16 How are cavities formed? Bacteria causes a build up of plaque. Plaque acid attacks the tooth The tooth eventually rots away Plaque can be removed by brushing and flossing

17 Tooth Decay Tooth Decay -Cavities

18 Gingivitis- Caused by the accumulation of plaque on the tooth and under the gum tissue. gingivitis healthy

19 Gingivitis- Causes the gums to become red, inflamed, and to bleed and hurt when brushing.

20 Tartar- Plaque that is not removed will sit on the teeth and below the gums, will harden or mineralize, thus forming tartar.

21 Tartar is also an irritant to the gum tissue that can cause gingivitis Tartar can only be removed by your dental hygienist.

22 Mouth Guards for Contact Sports

23 Different Types of Mouth Guards Off-the-Shelf Commercial Mouth-Formed (Boil and Bite) Custom-Made by Your Dentist

24 First Aid for Teeth This is what a newly knocked out tooth looks like.

25 Find an adult. Pick it up by its crown. Rinse in milk (or tap water). Put it back, in the mouth. Get to a dentist, or to the emergency room quick! If a Permanent Tooth is Knocked Out

26 Chipped Teeth

27 Dont Use Tobacco

28 What does Tobacco do to the body? *Ugly teeth *Bad breath *Receding gums *Mouth sores *Cancer, especially mouth.

29 Brushing removes plaque and food debris that sits on your teeth Brushing also keeps your gum tissue healthy Brushing promotes a clean and healthy environment in your mouth

30 Brush twice daily with a soft bristled toothbrush When brushing, make sure that half the bristles are on the gums and half on the tooth

31 Brush in a small circular motions, with light pressure Brush for 2-3 minutes Dont forget to brush your tongue

32 Flossing reaches where the tooth brush cannot Floss cleans between the teeth, a popular area of cavities to form Flossing also removes the plaque and debris below the gum line

33 Use an arms length piece of floss Floss at least once a day, preferably before going to bed Wrap around middle fingers leave ½ between fingers, and use index fingers as your guide

34 Dont snap into the gums, instead use a gentle see- saw motion Once in between the teeth, wrap floss around the tooth in a c formation and move in up/down motion

35 Fluoride is a mineral Helps fight decay in areas where enamel has started to breakdown Prevents decay by strengthening the enamel

36 Fluoride is found in most any toothpaste Over-the-counter rinses, like ACT Fluoride is also found in many cities water sources

37 So what do I do to keep my teeth healthy? Brush regularly Visit the dentist Floss Eat sensiblyLook after your gums

38 Cavity and Stain Experiment 20 Points

39 Directions If you break the egg your group loses 5 pts. Take the cap off and smell ( DONT TASTE) the reactant. List reactant on lab sheet. ( Hint** If it has a strong smell it is probably an acid, if no smell probably a base) Write Down Observations of egg ( color, size, texture, hardness) Write down what happened to the egg when you mixed it in the jar with the reactant ( Observation) Make a HYPOTHESIS on what the reactant will do to your egg over time. (3 days) Place lid back on jar and write down the reactant on label.


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