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科普專欄–薯不揀單 - 深入淺出–牙膏內為何會添加氟化物？ | Penana
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科普專欄–薯不揀單
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科普專欄–薯不揀單
ISSUE #69
Author: 薯仔聞茱莉
科普專欄–薯不揀單
Author: 薯仔聞茱莉
ISSUE #69
深入淺出–牙膏內為何會添加氟化物？
No Plagiarism!mL7ctbnMAkjNWGYkzFf4posted on PＥNAＮＡ

配合牙膏早晚刷牙能有助預防蛀牙，是眾人皆知的事情。703Please respect copyright.ＰＥＮＡＮＡjWeYolIA7K
703Please respect copyright.ＰＥＮＡＮＡfdX4i76ASR
703Please respect copyright.ＰＥＮＡＮＡjm07Tfkhum
但你又知唔知為何牙膏普遍會含有氟化物(Fluroide)? 其用意究竟何在呢？703Please respect copyright.ＰＥＮＡＮＡPL0CN0e6QZ
703Please respect copyright.ＰＥＮＡＮＡmcHuIe5dR6
703Please respect copyright.ＰＥＮＡＮＡeWMz8nGSsq
（圖2）牙齒的最外層就係琺瑯質(Enamel)，主要由礦物質hydroxyapatite組成。703Please respect copyright.ＰＥＮＡＮＡY21uTC0TV8
703Please respect copyright.ＰＥＮＡＮＡnRcsoDrpMG
703Please respect copyright.ＰＥＮＡＮＡ2qhtFRWQSN
口腔內的細菌，會從我們進食的食物中攝取糖份，並消化為乳酸，間接導致口水的pH值下降。703Please respect copyright.ＰＥＮＡＮＡualGdBMXw5
703Please respect copyright.ＰＥＮＡＮＡpYiTZoXqba
當口水pH值低至5.5以下的時候，琺瑯質裡頭的礦物質便會開始被分解，而口腔細菌就會乘虛而入，造成蛀牙。703Please respect copyright.ＰＥＮＡＮＡhyW4xaxzXJ
703Please respect copyright.ＰＥＮＡＮＡoXzlkeZ4Rv
而牙膏的氟化物能有助抑壓這個酸性分解作用，同時當pH回復正常的時候，氟化物亦能幫忙建構所失去的礦物質。703Please respect copyright.ＰＥＮＡＮＡrh4s6nNszC
703Please respect copyright.ＰＥＮＡＮＡoKGAie0jRf
氟化物還有各種不同的機制預防蛀牙，這裡只列出其中的一項。703Please respect copyright.ＰＥＮＡＮＡDwU7nbcr1X
703Please respect copyright.ＰＥＮＡＮＡVhZLl0L8rE
（圖3）只不過，氟化物牙膏並不是萬能的，原因可從圖中得知。703Please respect copyright.ＰＥＮＡＮＡyDQm68TmRt
703Please respect copyright.ＰＥＮＡＮＡVyDujG1uES
703Please respect copyright.ＰＥＮＡＮＡXVo9agnTGl
703Please respect copyright.ＰＥＮＡＮＡYCDSXpm3p9
703Please respect copyright.ＰＥＮＡＮＡ3lN6HpIlSL
如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。703Please respect copyright.ＰＥＮＡＮＡ1DIQNGaS4q
703Please respect copyright.ＰＥＮＡＮＡ3PVhsOUsR4
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc703Please respect copyright.ＰＥＮＡＮＡcDa9fjz1Ut
703Please respect copyright.ＰＥＮＡＮＡenLqBjzg2g
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。703Please respect copyright.ＰＥＮＡＮＡ5TRR4zCokQ
703Please respect copyright.ＰＥＮＡＮＡULYzBnrAGl
Link:703Please respect copyright.ＰＥＮＡＮＡoKuoLTPBtd
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio703Please respect copyright.ＰＥＮＡＮＡTV1iu3GxSR
703Please respect copyright.ＰＥＮＡＮＡUefqcQb0rF
703Please respect copyright.ＰＥＮＡＮＡiUW2tbub98
有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。703Please respect copyright.ＰＥＮＡＮＡNFeC73myoI

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科普專欄–薯不揀單
Essay
Last updated: Jun 10, 2022
Total word count: 148,234
Total reading time: 494 Minutes
Writer:
薯仔聞茱莉
科普 薯仔
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