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宝宝牙齿都长齐了,却还是不停流口水,Why?

2021-07-15 “西安交大二附院”公众号 “西安交大二附院”公众号

许多家长发现,宝宝刚出生的时候不流口水,随着年龄的增长,出现了流口水的情况,那宝宝流口水是正常的吗?是不是有什么疾病呢?

许多家长发现,宝宝刚出生的时候不流口水,随着年龄的增长,出现了流口水的情况,那宝宝流口水是正常的吗?是不是有什么疾病呢?

新生儿的唾液腺不发达,生后第1周,其唾液的分泌量是成人的两百分之一,仅够湿润口腔黏膜,宝宝3个月时,唾液腺发育了,口水的分泌量才会明显增加。

一般宝宝口水流出常见于4-6个月以后,主要原因有:

1、6个月后开始添加辅食,食物对神经、唾液腺的刺激较强,而此时宝宝口腔小而浅,吞咽反射功能还不健全,所以只要口水多了就会流出口外。

2、另外,不少宝宝喜欢吮吸指头、安抚奶嘴等,这也刺激了唾液腺的分泌,使口水增多。

3、乳牙萌出的阶段,因为出牙时会对牙龈的神经产生机械性刺激,使唾液腺分泌更多唾液,此时可以给宝宝一些牙胶、磨牙饼干缓解出牙带来的不适。

4、还有宝宝在高兴、嬉笑时,也会将分泌出来的口水流出口外。

以上这些都是生理性的,随着乳牙的萌出,宝宝的牙槽逐渐形成,腭部慢慢增高,口腔底部逐渐加深,能够容纳更多唾液;加之吞咽动作逐渐训练成熟,能够将唾液及时咽下,流口水自然停止。

但是,还有些流口水属于病理性的情况,家长要注意!

1、添加辅食时间太晚,甚至在1岁后再添加辅食。造成儿童口腔功能没有及时得到锻炼;

2、大人经常觉得孩子可爱,捏压孩子的面颊部。这种做法容易造成孩子腮腺的机械性损伤,导致唾液的分泌量大大超过正常小儿;

3、患有口炎、黏膜充血或溃烂等刺激宝宝流口水;

4、患有某些先天性疾病时,同时还可能伴有智能低下、反应迟钝、目光呆滞、哭闹无常、舌头伸出口外等症状。

5、有些宝宝有脑炎病史,可能会有后遗症,也会有流口水。

总之,如果碰到宝宝牙齿长齐了,却还是不停流口水的情况,那么妈妈们就需要带宝宝去找找原因了。

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    2021-07-17 zhouqu_8
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    2021-07-16 ms2658711348342440

    谢谢 学习了

    0

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