伴着您的辛勤汗水,宝宝一天天长大,终于该出牙了,也该学坐学爬了,当然问题也来了…… 宝宝出牙 ○宝宝的乳牙共有20颗,一般在出生6个月后开始出牙,早一些的会在出生后4个月,晚一些的会在出生后10个月。最先长出的乳牙常是下面中间的两颗,然后是上面中间的两颗。一般1岁时出6—8颗牙,2岁时20颗牙就该出齐了,最迟也该在2岁半出齐。 ○出牙是一种生理现象,有的宝宝出牙时可能口水流得 Accompanied by your hard sweat, the baby grows day by day, and finally the teeth, but also the school to learn to climb, of course, the problem has come ... baby teeth ○ baby teeth a total of 20, usually 6 months of age After starting teething, earlier will be 4 months after birth, some later will be 10 months after birth. The first teeth out of the deciduous teeth is often the middle of the following two, then the top two in the middle. Generally 6-8 teeth out of 1 year old, 2 teeth should be out of 20 at the age of 2, at the latest should also be out of Qi. ○ tooth is a physiological phenomenon, some babies may saliva when teething