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揭秘火爆全網的美牙儀

Posté par vickong pun     12 juillet 2021    

Corps

揭秘火爆全網的美牙儀

            

                

                    

                        

                

            

            

                

                    

                        

                            

                    

                

                

                    

                        

                            ◆ ◆ ◆

                    

                

            

            

                

                    

                        

                            

                    

                

            

            

                


                    最近看到了一則新聞:


            

            

                

                    

                        

                            

                                

                                    


                                        


                                    


                                        22歲的女白領小周門牙有點黃,一個月前在微信朋友圈刷到朋友推薦的冷光美牙儀,便花300多元買了同款,按說明每天堅持使用。


                                    


                                        剛開始,小周發現牙齒的確白了不少,她開心不已。可近一周來,她總感覺牙齒酸脹,門牙還有些“搖搖欲墜”,小周很擔心,於是來到醫院就診。


                                    


                                        到醫院后,口腔科醫生檢查發現小周的牙齦嚴重萎縮,兩顆門牙有明顯的鬆動。


                                    


                                        小周很納悶:“我平時很注意口腔衛生,怎麼這麼嚴重?”醫生詢問了解到,小周最近在使用美牙儀,推斷此次口腔問題很可能是使用美牙儀造成的。


                                

                            

                        

                    

                

            

            

                


                    火爆全網的美牙儀到底靠譜不靠譜呢?今天就來和大家一起來探討。


            

            

                

                    

                        

                            

                                

                            

                                


                                    冷光美牙儀是什麼?


                            

                            

                                

                        

                    

                    

                        

                            


                                這是在微信、淘寶上售賣的冷光美牙儀,出現的時間也不短了,不僅沒有銷聲匿跡,代理商反而越來越多。


                            


                                看到宣傳照片中的before&after,以及兩三百塊錢親民的價格,再加上一個個明星網紅推薦的光環,好像真的是快速有效又便宜的美白牙齒方法。


                        

                    

                    

                        

                            

                    

                

            

            

                

                    

                        

                            

                                

                            

                                


                                    美牙儀是如何美白?


                            

                            

                                

                        

                    

                    

                        

                            


                                網售美牙儀和醫院的冷光美白同理。將美白劑(主要成分是過氧化物,一般是過氧化氫)塗抹在牙齒上,在美白儀器發出的冷光(藍光)照射下,使過氧化物與牙齒表面及深層的色素快速產生氧化還原反應,達到美白牙齒的效果。


                            


                                但由於網上賣的美牙儀產品缺乏監管,美白劑的成分和濃度得不到保證,再加上非專業的操作,會對牙齒和牙齦造成不可逆的傷害。


                            


                                因為過氧化氫濃度過低,美白效果不佳,保持的時間也會短;而如果濃度過高,牙釉質被腐蝕掉后,牙齒看起來會變白,但牙齒也會變得敏感脆弱,出現牙痛等癥狀。在接診中,就有不少因私自用美牙儀后牙齒酸痛難忍的患者。

                                


                        

                    

                    

                        

                            

                    

                

            

            

                

                    

                        

                            

                                


                                    


                            

                        

                    

                    

                        

                    

                        


                            美牙儀有什麼風險?


                    

                

            

            

                

                    

                        

                            

                                

                                    

                                

                                    


                                        產品質量隱患


                                    


                                        


                                

                                

                                    

                            

                        

                        

                            

                                


                                    如果是沒有認證的產品,缺乏監管,美白劑的成分和濃度得不到保證。濃度過低,沒有效果;濃度過高,在非專業操作的情況下會傷害到牙齒和牙齦。


                            

                        

                        

                            

                                

                        

                    

                

            

            

                

                    

                        

                            

                                

                                    

                                

                                    


                                        沒有保護措施


                                    


                                        


                                

                                

                                    

                            

                        

                        

                            

                                


                                    即便牙齦十分健康,接觸到美白劑(過氧化氫)后也會造成損傷,嚴重時可能會造成牙齦萎縮,而牙齦萎縮是不可逆的。口腔黏膜接觸到美白劑,可能會造成潰瘍。


                                


                                    所以醫生在進行操作時,會先用開口器將嘴巴撐開,讓牙面隔離唾液,避免口水帶着美白劑沾到牙齦上。再將口腔黏膜保護起來,在牙齦上塗抹保護劑,避免造成傷害。


                                


                                    而使用美牙儀時,美白劑一定會沾到牙齦上。即便美白劑中過氧化氫濃度較低(< 6%),仍然會造成傷害。

                                    


                            

                        

                        

                            

                                

                        

                    

                

            

            

                

                    

                        

                            

                                

                            

                                


                                    造成牙齒敏感


                                


                                    


                                


                                    


                            

                            

                                

                        

                    

                    

                        

                            


                                美白牙齒產品中多含有過氧化氫、過硼酸鈉及鹽酸等漂白劑成分,因而較容易引起牙齒敏感、牙齦刺激、牙頸部和牙根外吸收等不良反應。

                                


                        

                    

                    

                        

                            

                    

                

            

            

                

                    

                        

                            

                                

                                    

                                

                                    


                                        通用的牙托不適用


                                    


                                        


                                

                                

                                    

                            

                        

                        

                            

                                


                                    美牙儀的牙託大小、形狀是固定的,但每個人的牙弓形態是不同的。牙託大了或小了則無法和牙齒完全貼合,會造成美白不均。

                                    


                            

                        

                        

                            

                                

                        

                    

                

            

            

                


                    如今使用冷光美牙儀的年輕人不在少數,然而並不是所有人都可以做牙齒美白,未滿18歲、牙體發育不全、孕婦等最好不要進行牙齒美白。


                


                    牙齒美白不能千人一方,要找出牙齒變色根本原因,選擇適合自己的牙齒美白方法,選擇正規可靠的口腔診所進行專業牙齒美白,不可貿然自己使用美白儀器。


            

            

                

                    

                        

                            

                                


                                    


                            

                        

                    

                

                

                    

                        

                            

                                


                                    


                            

                        

                    

                

            

            

                

                    

            

            

                

                    

                        


                            


                    

                

            

        

    


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