患者，女，35岁。拔除耠下6时，于牙颈部折断，断面平齐牙槽嵴。此时应采取的取根方法为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29986' and id < 2430027 and id<>'2430027' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29986' and id > 2430027 and id<>'2430027' order by id asc limit 5