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Lesson 2 How can you keep your teeth healthy? You can keep your teeth healthy by practicing good oral hygiene. Care of Teeth and Mouth.

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Presentation on theme: "Lesson 2 How can you keep your teeth healthy? You can keep your teeth healthy by practicing good oral hygiene. Care of Teeth and Mouth."— Presentation transcript:

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2 Lesson 2 How can you keep your teeth healthy? You can keep your teeth healthy by practicing good oral hygiene. Care of Teeth and Mouth

3 Lesson 2 Identify the parts of a tooth. Examine the effects of health behaviors on prevention of diseases of the teeth and mouth. Relate the importance of early detection and warning signs that prompt individuals to seek dental care. In this lesson, youll learn to: Lesson Objectives

4 Lesson 2 Function of the Teeth Maintaining healthy teeth is important not only for your appearance but also for your overall health. Your teeth allow you to chew foods properly and help form the shape and structure of your mouth. Care of Teeth and Mouth

5 Lesson 2 Parts of a Tooth The structures of the periodontium support the teeth and hold them in place. The periodontium is made up of the gums, periodontal ligament, and the jawbone.periodontium A tooth is made up of three parts: 1.Crown 2.Neck 3.Root Your Teeth

6 Lesson 2 Cross Section of a Tooth Your Teeth

7 Lesson 2 The Crown The crown is covered with enamel, a hard substance made of calcium that protects the teeth. Beneath the enamel is dentin, a layer of connective tissue that contributes to the shape and hardness of a tooth and acts as a barrier to protect the pulp.pulp Pulp extends into the root canal and provides nourishment to the tooth. Your Teeth

8 Lesson 2 Main Threats to Healthy Teeth As plaque coats a tooth, it prevents your saliva, which contains substances that protect teeth from bacteria, from reaching the tooth surface.plaque In areas where plaque accumulates, bacteria thrive and the acids from the bacteria break down enamel. If the breakdown of enamel continues, a hole, or cavity, is formed in a tooth. The tooth can continue to decay to the pulp and may have to be removed if left untreated. Healthy Teeth and Mouth

9 Lesson 2 Oral Hygiene Brushing teeth after eating removes plaque from the surface of the teeth, before bacteria can produce the acid that harms teeth. Flossing between teeth removes plaque in areas that cannot be reached with the bristles of a toothbrush. Regular visits to a dental care professional will ensure early detection of dental problems. Healthy Teeth and Mouth

10 Lesson 2 Nutrition and Healthy Teeth Foods containing phosphorus, calcium, and vitamin C help keep your teeth strong and your gums healthy. Reducing the number of sugary snacks eaten between meals also helps protect your teeth from decay. Avoid all tobacco products since they stain teeth and cause gums to recede. They also increase the risk of oral cancer. Healthy Teeth and Mouth

11 Lesson 2 Halitosis Periodontal DiseaseMalocclusion Oral Problems Problems of the Teeth and Mouth

12 Lesson 2 Halitosis, or bad breath, can be caused by eating certain foods, poor oral hygiene, smoking, bacteria on the tongue, decayed teeth, or gum disease. If halitosis is caused by tooth decay or disease, treatment by a dental professional is needed. Halitosis Problems of the Teeth and Mouth

13 Lesson 2 Periodontal diseasePeriodontal disease begins with the buildup of plaque. Plaque and tartar cause the gums to become irritated and swollen.tartar Early detection is important since, left untreated, periodontal disease can destroy the bone and tissue that support the teeth. Periodontal Disease Problems of the Teeth and Mouth

14 Lesson 2 Malocclusion can lead to decay and disease, and it can affect a persons speech and ability to chew. Some malocclusions can be corrected by wearing braces, which reposition teeth by exerting pressure on them. Malocclusion Problems of the Teeth and Mouth

15 Lesson 2 Q. _________ is a sticky, colorless film that acts on sugar to form acids that destroy tooth enamel. 1.Plaque 2.Pulp 3.Malocclusion 4.Periodontium Choose the appropriate option. Quick Review

16 Lesson 2 A. Plaque is a sticky, colorless film that acts on sugar to form acids that destroy tooth enamel. Click Next to attempt another question. Quick Review - Answer

17 Lesson 2 Provide a short answer to the question given below. Q. Define the terms periodontium and pulp. Quick Review Click Next to view the answer.

18 Lesson 2 A. The periodontium is the area immediately around the teeth. The pulp is the tissue that contains the blood vessels and nerves of a tooth. Click Next to attempt another question. Quick Review - Answer

19 Lesson 2 Provide a short answer to the question given below. Q. How does plaque affect the teeth? Quick Review Click Next to view the answer.

20 Lesson 2 A. Plaque coats the teeth, making it difficult for saliva to protect the tooth surface from the acids in bacteria. Click Next to attempt another question. Quick Review - Answer

21 Lesson 2 How can early detection of gum disease affect your long-term health? Analyze the following question. Quick Review

22 Lesson 2 A. Correct! Plaque is a sticky, colorless film that acts on sugar to form acids that destroy tooth enamel. Click Next to attempt another question. Quick Review - Answer

23 Lesson 2 You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review - Answer

24 Lesson 2 A tooth is made up of three parts: 1.Crown 2.Neck 3.Root The structures of the periodontium support the teeth and hold them in place. The periodontium is made up of the gums, periodontal ligament, and the jawbone. Parts of a Tooth The periodontium is the area immediately around the teeth. Your Teeth

25 Lesson 2 The crown is covered with enamel, a hard substance made of calcium that protects the teeth. Beneath the enamel is dentin, a layer of connective tissue that contributes to the shape and hardness of a tooth and acts as a barrier to protect the pulp.pulp Pulp extends into the root canal and provides nourishment to the tooth. The pulp is the tissue that contains the blood vessels and nerves of a tooth. The Crown Your Teeth

26 Lesson 2 As plaque coats a tooth, it prevents your saliva, which contains substances that protect teeth from bacteria, from reaching the tooth surface.plaque In areas where plaque accumulates, bacteria thrive and the acids from the bacteria break down enamel. If the breakdown of enamel continues, a hole, or cavity, is formed in a tooth. The tooth can continue to decay to the pulp and may have to be removed if left untreated. Main Threats to Healthy Teeth Plaque is a sticky, colorless film that acts on sugar to form acids that destroy tooth enamel and irritate gums. Healthy Teeth and Mouth

27 Lesson 2 Periodontal diseasePeriodontal disease begins with the buildup of plaque. Plaque and tartar cause the gums to become irritated and swollen.tartar Early detection is important since, left untreated, periodontal disease can destroy the bone and tissue that support the teeth. Periodontal Disease Periodontal disease is an inflammation of the periodontal structures. Problems of the Teeth and Mouth

28 Lesson 2 Periodontal diseasePeriodontal disease begins with the buildup of plaque. Plaque and tartar cause the gums to become irritated and swollen.tartar Early detection is important since, left untreated, periodontal disease can destroy the bone and tissue that support the teeth. Periodontal Disease Tartar is the hard, crustlike substance formed when plaque hardens. Problems of the Teeth and Mouth


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