下列选项中，牙体缺损最常见的病因是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30044' and id < 2433793 and id<>'2433793' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30044' and id > 2433793 and id<>'2433793' order by id asc limit 5