患者，男，49岁。发现右颊黏膜白色斑块3月。临床检查右颊白色斑块表面光滑，稍高出黏膜表面。下列选项中，不属于本病病因的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29988' and id < 2430244 and id<>'2430244' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29988' and id > 2430244 and id<>'2430244' order by id asc limit 5