保护牙齿.pptx

文档介绍：Let’s guess a riddle
小小石头硬又白,
整整齐齐排两排。
每天早上刷一刷,
结结实实不爱坏。
tooth
Have you seen children with braces on their teeth?
Do you know why they need to wear braces?
your teeth are not straight ,you cannot bite and chew your food properly.
如果你的牙齿不整齐,你不能顺利的咬东西,嚼食物。
Crooked and overlapping teeth are difficult to clean. This increases the risk of tooth decay.
重叠的牙和扭曲的牙很难清洗。这增加了长龋齿的几率。
Your gums may hurt.
你的牙龈疼。
You may suffer from speech problems.
你会口齿不清。
Wearing braces
A little sore(疼).
fortable(不舒服).
Wearing braces
Brush your teeth carefully.
Avoid sweet and sticky(黏的) food.
Keep your dental appointments.