防龋-定期检查
☺ 早期发现口腔疾病 ☺ 早期整治 ☺ 节省治疗费用 ☺ 减少疼痛 ☺ 保健牙齿
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
2 刷上前牙腭侧
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
防龋-刷牙
3 刷下前牙舌侧
4 刷上下后牙牙颊侧
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
最后，大家一起背刷牙歌！
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
A.要
B.不要
C.无所谓
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
5.定期进行口腔检查。（ ） A.不要 B.要 C.无所谓
防龋-刷牙
轻刷舌头很必要
7
轻刷舌面
以清除细菌清 新口气
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
龋齿
如何预防龋齿
14
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
1
2
刷牙
3
均衡饮食
防
少吃甜食
刷牙歌 上牙从上往下刷，
下牙从下往上刷。 咬合面，来回刷， 每个地方五六下。 上下里外全刷遍， 最后轻轻刷舌面， 早晚刷牙勤漱口， 牙齿洁白人人夸。
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
龋齿的致病因素
宿主
当宿主牙齿对龋病的抵抗力或敏感 性降低时容易患龋
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
龋齿的致病因素
时间
早期小小损害 缓慢经过约18个月
B.糖果
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
3.导致龋齿的因素（ ）
A.宿主 C.时间
1989年，由卫生部、教委 等部委联合签署，确定
每年的9月20日
3
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
2012年9月20日
第24个全国爱牙日
主 题：健康口腔，幸福家庭 副主题：关爱自己，保护牙周
牙齿的功能
5
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
导致龋齿的主要细菌为变形链球菌
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
龋齿的致病因素食物Fra bibliotek主要致龋食物以碳水化合物为主
竞赛：智力大冲浪
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
1.爱牙日的时间（ ）
A.6月20日 C.9月20日
龋
4
窝沟封闭
定期检查
15
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
防龋-刷牙
1 刷上下前牙唇侧
B.细菌 D.以上全是
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
4.刷牙需不需要刷舌头（ ）
健康口腔 幸福家庭
全国“爱牙日”
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
你知道全国“爱牙日”吗？
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
防龋-刷牙
5 刷上下后牙舌侧
6 刷上下牙牙合面
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
第三功能
辅助发音
龋齿的致病因素
9
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
龋齿的致病因素
细菌
没有龋齿 口腔健康
与爸爸妈妈一起制订一个护牙计划吧！
B.9月1日
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
2.多吃哪种食物易患龋齿（ ）
A.蔬菜 C.水果
防龋-窝沟封闭
封闭前
×
封闭后
窝沟龋
窝沟封闭是一种预防儿童窝沟龋的有效方法
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
第一功能
咀嚼
咬苹果
嚼花生米
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
第二功能
美观
I n this academic year, I have served as a political subject in three classes at Grade 2. A school year, I have been serious
防龋-均衡饮食，少吃甜食
均衡膳食！
☺粗细搭配，适当多吃富 含纤维的蔬菜、水果等
☺合理限量吃糖，不要睡 前吃糖。
少吃甜食！