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Warning: Illegal offset type in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 1355

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 832

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 835

Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 841

Warning: Illegal offset type in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 1355

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 832

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 835

Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 841

Warning: Illegal offset type in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 1355

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 832

Warning: Illegal offset type in isset or empty in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 835

Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in D:\virhostdir\dltjdental\wwwroot\wap\MDB\mysql.php on line 841
 大连康泰瑞华牙科技术有限公司

儿童何时开始换牙

2014-02-18 09:12:17

 

儿童开始换牙的年龄一般在6岁左右。“换牙”只是民间的一种通俗的说法,在医学上称其为“乳牙替换”。
 
乳牙替换分两个过程:一是“乳牙脱落”,即乳牙慢慢松动直到脱落。第二个过程是“恒牙萌出”,那就是随着乳牙一个个地脱落,恒牙便跟着一个个地萌出,全口乳牙替换的过程大约历时6年,也就是孩子长到12岁左右时整个换牙过程才宣告结束。
 
12岁左右的孩子,乳牙应该全部脱落,恒牙取而代之。若过了12岁,口腔内仍然还有乳牙存在,那就应会医院治疗。

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