患者，男，9岁，两颗上颌中切牙受硬物撞击，牙齿酸 痛，上、下牙咬合时有不适感，牙齿未见脱位，但釉质 表面有裂纹。临床及X线检查，牙根组织未见明显折 断，牙周间隙稍増宽。最恰当的诊断是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32586' and id < 2590796 and id<>'2590796' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32586' and id > 2590796 and id<>'2590796' order by id asc limit 5