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人的第三磨牙,在20岁左右,即在积累较多智慧的年龄才开始萌出,所以习惯上称为“智齿”。智齿的萌出很不顺利,它常常发生阻生,往往引起诸多
People’s third molars begin to erupt at about the age of 20, that is, at the age when they accumulated more wisdom. Therefore, they are customarily referred to as “smart teeth.” The eruption of wisdom teeth is not smooth, and it often has impact, often causing many