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牙刷比馬桶水還臟?(我可能用了假牙刷...)

Posted By vickong pun     July 8, 2021    

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牙刷比馬桶水還臟?(我可能用了假牙刷...)

            

                


                    


            

            

                

                    

                        

                            

                                

                                    

                                        

                                            

                                    

                                

                            

                            

                                

                                    

                                        


                                            ▼


                                    

                                

                            

                        

                    

                

            

            

                

                    

                        


                            有不少朋友問我:


                        


                            都說牙刷上的細菌比馬桶還多


                        


                            是不是真的啊?


                        


                            今天我們就一起來看看


                        


                            這種說法到底對不對

                            


                    

                

            

            

                

                    

            

            

                

                    

                        


                            如果問題是這樣的:


                        


                            牙刷上的細菌數量


                        


                            比馬桶上的細菌數量還多嗎?


                        


                            那麼答案是肯定的:


                        


                            是的!


                        


                            牙刷上細菌數量多於馬桶上!


                    

                

            

            

                

                    

            

            

                

                    

                        


                            因為,僅僅從數量上看


                        


                            每毫升唾液中的細菌量達到1.5億個


                    

                

            

            

                

                    

            

            

                

                    

                        


                            正常使用一周的牙刷上


                        


                            細菌密度也在百萬級別


                        


                            而剛剛沖完水的馬桶內壁上


                        


                            細菌數量級為數10萬

                            


                    

                

            

            

                

                    

            

            

                

                    

                        


                            從細菌數量上看


                        


                            牙刷“完勝”馬桶水


                    

                

            

            

                

                    

            

            

                

                    

                        


                            “細菌數量多”一定意味着“臟”嗎?


                    

                

            

            

                

                    

                        


                            我們知道,外界的食物和水進入口中


                        


                            長長的消化道里本身就寄居着


                        


                            很多對我們身體有益處的細菌


                        


                            幫助我們消化食物


                        


                            另外,口腔中很多細菌


                        


                            如乳酸桿菌、變形鏈球菌等等

                            


                    

                

            

            

                

                    

            

            

                

                    

                        


                            它們之間本身就有相互制約的作用


                        


                            維持在一個穩定的狀態


                        


                            能夠與人體和平共處


                    

                

            

            

                

                    

            

            

                

                    

                        


                            只有在一定條件下


                        


                            他們之間的平衡會被打破


                        


                            其中一方或者幾方變得強勢


                        


                            才會造成對人體有害的影響


                    

                

            

            

                

                    

                    

                    

            

            

                

                    

                        


                            因此,這些細菌與馬桶水中的致病細菌


                        


                            不可同日而語,沒有可比性


                        


                            “牙刷比馬桶水還臟”


                        


                            這種說法是危言聳聽,完全錯誤的!


                    

                

            

            

                

                    

            

            

                

                    

                        


                            牙刷在清潔口腔的過程中


                        


                            部分口腔中的正常菌群附着在牙刷上


                        


                            這是很正常的


                        


                            口腔中正常的免疫防禦系統


                        


                            一般能夠及時應對並處理外源性微生物


                    

                

            

            

                

                    

            

            

                

                    

                        


                            但是,如果不及時清潔牙刷


                        


                            會導致牙刷上的細菌越來越多


                        


                            牙刷就成為了一個潛在的感染源


                        


                            可能引起口腔和全身系統感染


                    

                

            

            

                

                    

            

            

                

                    

                        


                            患有糖尿病、心臟瓣膜病


                        


                            或者免疫缺陷疾病的患者


                        


                            嚴重污染的牙刷對健康的危害更大


                    

                

            

            

                

                    

            

            

                

                    

                        


                            那麼,如何有效的清潔牙刷呢?


                    

                

            

            

                

                    

                        


                            最方便也是最有效的就是


                        


                            牙刷使用完之後用流水沖洗乾淨


                    

                

            

            

                

                    

            

            

                

                    

                        


                            盡可能的保持乾燥


                        


                            刷頭向上自然風乾


                        


                            遠離潮濕的環境


                    

                

            

            

                

                    

            

            

                

                    

                        


                            另外,牙刷在使用一段時間后


                        


                            由於刷毛的磨損,清潔效率會下降


                        


                            所以需要2-3個月定期更換牙刷


                    

                

            

            

                

                    

            

            

                

                    

                        


                            還有研究表明


                        


                            使用3%過氧化氫和0.12%氯己定


                        


                            也能夠有效減小牙刷上的細菌

                            


                    

                

            

            

                


                    


                

                    

                        

                            
                            

                                

                                    

                            

                        

                    

                

            

            

                


                    


                


                    


                


                    


                


                    


                


                    


            

            

                

                    

                        


                            


                        


                            


                    

                

            

        

    


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