小牙

rú guǒ fā xiàn xiǎo yá shang yǐ jīng yǒu yá gòu zé yào yòng shā bù gěi qīng qīng cā qù

如果发现小牙上已经有牙垢，则要用纱布给轻轻擦去。

If it is found that the small teeth have tartar, then use gauze to gently wipe.