患儿，男，11岁。左下后牙疼4天，夜间加重1天，无龋洞。最可能的病因是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29915' and id < 2425870 and id<>'2425870' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29915' and id > 2425870 and id<>'2425870' order by id asc limit 5