Welcome to Class 7A
Lonh Thanh Bac Secondary School
Teacher : Vo Thi Thanh Thuy
School-year:2010-2011
Unit 10: Health and Hygiene
Period 65 - Lesson 5 : B 3,4
A bad toothache
Tuesday, January18th-2011
Who is he?
What is wrong with him?
Where is he going to?
(Minh is sitting in Dr Lai’s surgery. Dr Lai is checking his teeth.)
New words:
surgery (n)
= clinic
serious (adj)
= dangerous + important
pleased (adj)
= happy
forget ( v )
>< remember
Vocabulary-check
Jumbled words
gursery
lepased
rusesio
rofetg
surgery
pleased
serious
forget
Prediction questions:
- Does Minh brush his teeth regularly?
- Is Minh ’s cavity serious?
LISTEN AND READ

Minh is sitting in Dr Lai’s surgery. Dr Lai is checking his teeth. Dr Lai is kind. She smiles at Minh and says, “Don’t worry, Minh. You have one small cavity, but it isn’t serious. Your others are fine.”
Minh is very happy. Dr Lai fills the cavity in Minh’s tooth. She finishes in less than 10 minutes. Minh is very pleased. Then Dr Lai sits down and talk to Minh again.
“ How often do you brush your teeth, Minh?” she asks. Minh looks worried again.
“ Oh, I . . .Well, sometimes I forget to brush my teeth.”
“ Try not to forget,” Dr Lai says. “ Brushing your teeth is very important. Clean teeth are healthy teeth!”
Prediction check:
- Is Minh ’s cavity serious?
- Does Minh brush his teeth regularly?
- No, he doesn’t. Sometimes he forgets to brush his teeth
- No, it isn’t. It is a small cavity.
EXERCISE
Now complete the story

Minh is very . . . . . . . . . . . . and Dr Lai notices this. She . . . . . . . . . . . at Minh and tells him not to worry. She explains one of his teeth has a . . . . . . He has to . . . . . . . . . . .them regularly. After Dr Lai fills his tooth, Minh leaves. He is very . . . . . . . . . . . .
nervous
smiles
cavity
brush
pleased
T/F repetition:
1. Minh goes to the dentist because he has a toothache.
2. He is scared because the dentist is not kind.
3. The cavity isn’t serious because it’s small.
4. Minh’s tooth hurts because he always brushes his teeth.
T
F
T
F
Question word:
Why: ask for reason
Answer: Because

A: Why does Minh`s tooth hurt?
B: Because he has a cavity.
Model sentences
Grammar
a. tooth/hurt
have/ cavity
A: Minh’s tooth hurts .Why?
Example:
Example:
B: Because he has a cavity
Minh is nervous.Why?
Because he is seeing the dentist
b. Nervous
See/dentist
The cavity isn’t serious.Why?
Because it’s very small
c. cavity/not serious
small
Minh looks happy. Why?
Because his teeth are OK
d. Happy
Teeth/OK
Lucky numbers
5
4
3
8
6
2
7
1
Why does Minh go to the dentist?
Because he has a toothache
Lucky number









Lucky number
Why does Minh have a toothache?
Because he has a cavity.
Lucky number

Why does he have a cavity?
 Because he doesn’t brush his teeth regularly.

Why does Dr.Lai fill the cavity in only less than 10 minutes?
 Because it is a small cavity.


Lucky number
Why is brushing teeth very important?
Because clean teeth are healthy teeth
Take care of your teeth
DO
DON’T
-Brush your teeth after meals
-Check your teeth regularly
-Eat sensibly
-Eat too much candy or cake
-Forget to clean your teeth
-Use an old toothbrush
CLEAN TEETH ARE HEALTHY TEETH
About you:
-How often do you brush your teeth?
-Should we eat too much candy?
-Do you brush your teeth regularly?
-When do you brush your teeth?
Homework:
- Learn new words .
- Do exercise B4 / P.65 in workbook.
- Prepare for the next lesson (Unit 11-A1).
Good bye!
Thank you for attending