Tisch
moving target
1. Understand the causes of dental caries and related knowledge of preventing dental caries.
2, understand the role of teeth, develop the habit of brushing your teeth in the morning and evening.
3, understand the common sense of changing teeth, learn to protect permanent teeth.
Teaching focus
Understand the role of teeth in teaching
difficulty
Understand the causes of dental caries.
Activities to be prepared
1, teaching wall chart of dental caries formation.
2. The teaching chart of tooth protection.
3. Find some eggshells with children two days in advance, and soak half of each eggshell in vinegar after washing.
Everyone has a small mirror.
5. One cookie per person
Activity process
First, the beginning part:
Lead the topic in the form of guessing riddles.
Attachment: riddle "teeth"
The hygienist wears white clothes, the rows are really neat, the food in his mouth is ground, and he takes a bath with a brush in the morning and evening.
Second, the basic part:
1, teacher: "Please talk about the function of teeth first?" (Guide children to divergent thinking and give affirmation and praise to children who answer positively)
2. Ask each child to eat a biscuit, and let the children experience the role of teeth by tasting the biscuit.
3. organization? "Just now, the children ate cookies. Please look at each other's teeth. " (residue, debris) "What will happen if the teeth are not pulled out?"
4. Show a small experiment, ask children to observe, take out the eggshell soaked in vinegar, and let children see, pinch and talk about the changes of eggshell. And compare eggshells soaked in vinegar with eggshells that have not been soaked in vinegar. (Egg shells will turn black and soft when soaked in vinegar) And discuss: Why do egg shells turn black and soft?
The teacher concluded: vinegar is sour. Vinegar will corrode the calcium in the eggshell, so the eggshell will turn black and soft.
5, looking for dental caries: Please use a small mirror to observe whether you have dental caries?
6, discussion: (1), inspire children to discuss why there are dental caries?
(2) Focus on asking children with dental caries to talk about their feelings after suffering from dental caries. How did you treat it?
The teacher explained the process of dental caries formation to the children with the teaching wall chart.
7, the teacher combined with the teaching chart summary: after food is eaten in the mouth, there will be residue left in the teeth, and there is an enzyme in the saliva of the mouth that will make the food residue sour. After a long time, these acids will make food residues corrode eggshells, so that the calcium on the surface of our teeth will be corroded, and our teeth will turn black, resulting in tooth decay, which is what we often call tooth decay. If you have dental caries, you will have toothache, so you need to ask a dentist for treatment, so please pay attention to protecting your teeth.
8. Let the children discuss: How to prevent dental caries?
9. Consolidate the exercises and show the wall chart of tooth protection teaching.
Let the children talk about how the children in the picture protect their teeth.
10, the teacher instructed the children to brush their teeth in the right way and enjoy the children's song: brush their teeth.
The children discuss what other ways to protect their teeth, and the teacher adds.
Third, the last part:
The teacher summed up the knowledge about protecting teeth: First, when teeth are moving, don't shake them by hand, which will affect the eruption of permanent teeth and easily cause infection and inflammation, so let the teeth fall off by themselves. Second, when new teeth are about to erupt, don't lick them with your tongue, which will make the teeth grow irregularly. Third, before the deciduous teeth fall out, new teeth will grow out from the side, or some children's teeth have fallen out for a long time and have not yet grown new teeth. Parents should be asked to take them to the hospital to see a doctor. Fourth, brush your teeth in the morning and evening, rinse your mouth after meals, don't eat too much candy, don't be picky about food, and eat more foods containing protein and calcium.
Fourth, activity extension.
1. Cooperate with parents to remind their children to brush their teeth in the right way every morning and evening.
2. Guide children to carry out "whose teeth are better" activities. Using children to eat in kindergarten, the teacher reminds children to rinse their mouths after meals, maintain oral hygiene and form a good habit of protecting their teeth. )
extreme
Activity objectives:
1, to get a preliminary understanding of the causes of tooth decay.
2. Let children know how to protect their teeth and accumulate life experience.
Focus of activities:
Let children know how to protect their teeth and cultivate good habits.
Activity preparation:
Chocolate biscuits, a small mirror for each person, a tooth decay record form, a tooth decay summary form, pens, five small baskets for items, multimedia courseware and a tooth brushing record card.
Activity flow:
First, eating snacks (biscuits) leads to the topic.
1, Teacher: Let me guess, kid. Today: What cookies did you eat just now? (The teacher approaches a child and observes the child's teeth) Oh, I see! You just ate chocolate biscuits, didn't you? Please guess, how do I know? (Let the children guess freely) I invite you to have a look at your good friend's teeth.
2. The child looked at each other's teeth and asked: What do you see?
3. The teacher concluded: Oh, you see biscuit crumbs on your teeth. It turns out that not all the cookies have been eaten in the stomach, and some cookies are still left on the teeth. Alas, there is a child named Dongdong. After eating the biscuit, the crumbs of the biscuit remained on his teeth. Let's see what happens.
Second, understand the causes of tooth decay
1, the teacher plays the courseware "The Secret of Teeth".
Ask questions:
(1) Who is he? What is he doing on Dongdong's teeth?
(2) What happened to Dongdong's teeth? Into what?
(3) What else did you see in the video?
(Ask questions step by step according to the children's answers)
2. Observe and record the tooth decay.
Free observation: Then I ask you to look at each other for tooth decay.
3. record tooth decay. (Let the recorded children be examined by the teacher first, and then the teacher will record them on the tooth decay summary table.)
4. After recording. Let's invite some children with cavities to talk about their own cavities.
5. Discussion: Is tooth decay good? What harm will he bring us?
6. The teacher summed up the disadvantages of tooth decay.
7. Ask some children who have no cavities to come up and ask them to talk about how to protect their teeth.
Third, know how to protect your teeth.
1, children freely discuss how to protect our teeth. (Ask the children to answer)
2. The teacher summed up the methods of protecting teeth.
Four. Extension of activities:
Give children a "children's brushing record card". Teacher: This is the record card for children to brush their teeth at home. The sun means morning and the moon means night. When you get home, if you brush your teeth in the morning, you can put a tick in the sun. If you brush your teeth at night, you can put a √ under the moon. I want to see if the children can insist on brushing their teeth every morning and evening. I also want to tell you that there is a correct way to brush your teeth. I will teach you next time, ok?
Tisso
Activity objectives:
1, understand the function of teeth, understand the methods of protecting teeth, and enhance the awareness of protecting teeth.
2. Develop the good habit of brushing your teeth at home every morning and evening.
Activity preparation:
Data preparation: video data, pictures, etc.
Activity flow:
First, create a situation and introduce a theme.
Children, the teacher brought two guests today. Like you, they are changing their teeth. They want to take classes here. Do you welcome them? (picture)
-Do they look alike? But their teeth look different. Who do you think looks good? Why?
Summary: It seems that all children like their sister's teeth, so what can be done to have a pair of white and neat teeth like her? In this lesson, we will learn "protecting teeth".
Second, explore activities to understand the correct brushing methods.
Discussion: After changing teeth, why do some children's teeth look so good while others are so ugly?
Experiment: Taste black sesame candy and observe the changes of tooth surface. Rinse your mouth and observe the change of mouthwash in the cup.
Summary: We found that after gargling, there would still be residue in teeth. What shall we do? Brushing your teeth is another good way to protect your teeth.
Third, in-depth discussion, comprehensive tooth protection
-Kid, do you think it's enough to protect your teeth and brush your teeth correctly? Think again, what other aspects should we pay attention to when protecting our teeth?
Summary:
1, no sweets before going to bed.
2, can't bite hard things.
Protect your teeth and eat more vegetables, fruits and nutritious food.
4. When deciduous teeth are loose or fall off, you can't lick or suck with your tongue.
5. Don't bite your fingers, lips or tongue. Often licking or sucking with the tongue will affect the normal eruption of permanent teeth, or it will grow irregularly. Biting fingers, lips or tongue will affect the irregular appearance of teeth and the asymmetric development of face, leaving a lifelong regret in appearance.