正确刷牙4原则--杨远锋的博客

正确刷牙4原则

[ 2011-4-7 11:34:00 | By: 杨远锋 ]

每颗牙有五个面，即颊、舌、咬合及两个邻面，这五个面都能刷到很不容易，因此刷牙的方法和用具很重要。保健牙刷的要求是：刷头应小，毛束排数不超过三排，毛束孔距最小不小于1.5毫米，尼龙丝直径不超过0.3毫米。刷头短而窄，适应扭转上下扫刷。牙刷柄偏弯或直，刷毛成锯齿状。正确的方法是竖刷法。这种刷牙方法是把牙刷毛束与牙面成45度角，转动刷头，上牙从上往下刷，下牙从下往上刷，上下牙列面来回刷。·分区洗刷全口牙齿可分为上颌牙和下颌牙两大部分，上下两部分又可再各自分为左右两侧，每一侧又可细分为前、中、后三个小区。每个小区仅包括2～3个牙齿，作为一个刷牙动作的洗刷单位，要求在刷净一个小区之后，再去洗刷另一个小区。·依次洗刷既然是分区洗刷，就必须依照一定的次序刷下去。否则就有可能刷净某一小区，而对另一小区则洗刷不足，甚至遗漏。至于次序的安排则可按各人的习惯而定，如先上后下、先外后里、先左后右等。·三面洗刷一般人群刷牙的最大缺点是只刷牙齿的外面（唇颊面），而对舌面及咬面都不给予洗刷。结果牙齿的外表虽然看起来很清洁，但是张开口来仔细往里查，牙齿的舌面都堆满了污物。所谓三面洗刷，就是要求将颊面、舌面、咬面都能洗刷到。·重复洗刷若要彻底达到清洁牙齿的目的，必须在每一个小区的牙面上来回重复洗刷3～4次，才有可能刷净牙面。有一个总的时间要求，要刷净全口牙，每次刷牙至少要持续3分钟。

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原创

[ 2016-9-6 16:31:34 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:05:18 | By: 原创(游客) ]

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原创

[ 2016-9-30 10:40:19 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-8 15:37:36 | By: etxae(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2017-2-19 21:42:24 | By: lkquy(游客) ]

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