患者右下第一磨牙全冠修复3天后，出现龈缘炎。此时应首先检查的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30101' and id < 2436999 and id<>'2436999' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30101' and id > 2436999 and id<>'2436999' order by id asc limit 5