not only do decayed teeth hurt, they have an awful odor.
蛀牙不能会伤害牙齿,还会产生一种可怕的气味。
a gel that can help decayed teeth grow back in just weeks may mean an end to fillings.
科学家已经研制出一种凝胶,可以帮助蛀牙在几周内‘返老还童’,这可能意味着补牙的时代行将终结。
one day tom and mike met in the street. tom: one of my decayed teeth was taken out just now.
一天汤姆和迈克在街上相遇了,汤姆说:“刚才我拔掉了一颗坏牙。
in different grades, the prevalence of decayed teeth and the average of decayed teeth were rising in the first molar, but other indices were all rising then falling(p0.05).
按年级不同,第一恒磨牙患龋率及龋均一直呈上升状态,其他指标均表现先升后降(p0.05)。
conclusion: the masticatory efficiency of 7~9 year-old children was negative correlated with caries status index, and filling of decayed teeth can significantly increase masticatory efficiency.
结论:7~9岁儿童咀嚼效能与患龋状况存在直线负相关关系,龋病充填治疗可显着增加患龋儿童的咀嚼效能。
decayed teeth can cause pain and can cost a lot to fill.
侵蚀的牙齿会带来疼痛,并且要花很多钱来修补。
conclusion the prevalence of decayed teeth in deciduous teeth and the first molar are rising among pupils.