下列哪种发育异常的牙是由两个正常的牙胚融合而成的

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32519' and id < 2583775 and id<>'2583775' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32519' and id > 2583775 and id<>'2583775' order by id asc limit 5