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Questions and Answers
What is the initial stage of food digestion?
What is the initial stage of food digestion?
- Swallowing the food
- Breaking down in the stomach
- Mixing with saliva in the mouth
- Chewing with the teeth (correct)
Why is it important to maintain clean and healthy teeth?
Why is it important to maintain clean and healthy teeth?
- To enhance the taste of food
- To improve speech clarity
- To prevent erosion of tooth enamel caused by acid in the mouth (correct)
- To reduce the risk of stomach problems
What is the impact of acid produced in the mouth on tooth enamel?
What is the impact of acid produced in the mouth on tooth enamel?
- It tends to erode and destroy tooth enamel (correct)
- It forms a protective layer on tooth enamel
- It has no effect on tooth enamel
- It strengthens tooth enamel
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Study Notes
Digestion and Oral Health
- The initial stage of food digestion occurs in the mouth, where food is broken down by enzymes in saliva.
- Maintaining clean and healthy teeth is important to prevent tooth decay and gum disease, allowing for proper chewing and digestion of food.
Tooth Decay and Acid Production
- Acid produced in the mouth by bacteria feeding on sugars and carbohydrates damages tooth enamel, leading to tooth decay.
- The acid in the mouth lowers the pH, making the oral environment more acidic and increasing the risk of tooth decay.
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