Tài nguyên được gắn thẻ với: Teeth Care And Hygiene
1 đề mục được tìm thấy (Hiển thị 1 - 1)
-
It is very important to remove the remains of food by daily brushing so as to reduce the number of microorganisms in the mouth. This animation, donated to SAWBO, will explain how to brush your teeth effectively to avoid cavity and gum disease. Scientific Animations Without Borders (SAWBO) is a...