When toothbrushes are stored in close together and touching in a tooth mug, the germs can pass from one to another, leading to the risk of cross contamination.
如果大家的牙刷都放到一个漱口杯里并且有所接触的话,细菌就会在牙刷之间相互传播,导致交叉感染。
2
Objective to establish an organ culture model of the developing of human toothgerms in vitro.
目的建立人牙胚发育的体外器官培养模型。
3
The developing bone trabeculae invaded the dental follicle and reached the molar toothgerms, provoking deformities in enamel surfaces. No root formation was observed.