磨牙是何因--杨远锋的博客

磨牙是何因

[ 2011-5-24 13:47:00 | By: 杨远锋 ]

睡眠时有习惯性磨牙，或清醒时有无意识的磨牙习惯，称为磨牙症。
·病因
    夜磨牙的病因尚不清楚，目前认为与精神性、情绪性、牙源性、系统性、职业性、自发性等多种因素有关。
    夜间磨牙虽然暂时不会感到有什么痛苦，但是长期下去，可引起牙齿咬合面和邻面的严重磨损。顽固性磨牙症会导致牙周组织破坏、牙齿松动或移位、牙龈退缩等。白天我们咀嚼食物也磨擦牙齿，但对牙齿很少有损害，这是因为咀嚼时，上下牙齿之间的食物好比是个垫子。如果在夜间磨牙，则情况就大不一样了，口内既无食物，口腔内的分泌也减少，牙齿得不到必要的润滑，而形成“干磨”，好比推空磨子一样。这对牙齿的磨损是很大的，后果也是相当严重。此时磨损的牙齿往往会有不同程度的发酸或疼痛，有时也会造成颞下颌关节功能紊乱症。
·防治
（1）较轻时可不做处理，注意休息。（2）白天避免玩得过度兴奋。睡前让精神松弛，不看刺激性电视片。到医院检查肠道寄生虫病（寄生虫的蠕动刺激了神经，引起神经的反射作用，而发生磨牙），在医生的指导下驱虫。顽固性病例应制作颌垫，睡前戴上，可防止直接磨损牙齿。这样不仅可以使夜间不磨牙，而且可以获得更好的休息。
    细节提醒：有的地方民间传说磨牙是冤魂附身，是没有根据的。

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原创

[ 2016-9-6 16:30:00 | By: 原创(游客) ]

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