下列选项中，釉质发育异常的原因是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29915' and id < 2425852 and id<>'2425852' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29915' and id > 2425852 and id<>'2425852' order by id asc limit 5