Nhật tạo ra miếng vá chống sâu răng vĩnh viễn
Các nhà khoa học Nhật đã chế tạo thành công một miếng vá siêu mỏng có khả năng bao bọc, bảo vệ răng khỏi bị sâu và làm trắng răng, theo tin tức từ AFP ngày 16.9.
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TOG7kMOCU8ag4buOVOG7lMOCKeG6uMOCSsOaw4Ij4buW4buQw4JL4buaVOG7lsOCSuG7luG7hCPDginhurpVw4LEqMOVw4JT4buEI8OCSibDicOC4bu44buAVOG7lEHDgiPhu5ZNVcOC4buUxqDhurhVw4JAOsOC4bq7VVQjQD3DgcODL+G7tMSCw4Phu7TDgkpSw4lAQHfhurThu7ThurFVS3vhurTEgmjGoOG7jlThu5TDginhurjDguG7uOG7gFThu5TDgko/VOG7lMOCSsOaw4Ij4buW4buQw4JAw5LDgkw6WUrDgsSo4busw4JAPVThu5TDgiPhu5bhu4xTw4Ij4buaVOG7lsOCVOG7gFThu5TDglLhurpTw4Ij4bu44buGVOG7lMOC4bu44buAVOG7lMOBw4Mv4bu0xILDg+G7tMOCSlLDiUBAd+G6tOG7tOG6sVVLe+G6tMSC4bq34bq4SsOCVOG7luG6usOCUeG7llXDicOC4buW4bukSsOCI+G6vMagw4LGoeG7uDpYVOG7lMOC4bq14bq8xqDDguG7luG7pErDgmbGoFRRxqDDgkzDiVThu5TDgiPGoOG7jlTDguG7luG6ulThu5bDgiPhu5bhu5rDglThu5Thu5bGoMOUU8OCU8ag4buOVOG7lMOCKeG6uMOC4bu44buAVOG7lMOCI+G7uOG7jFTDglThu5YoVOG7lMOCSuG7lsag4buOSsOC4bu44buAVOG7lMOCVOG7lDpYxqDDglHhu5bGr1Thu5TDgkrDmVTDgkAhw4JLKlThu5RBw4JU4buWOlThu5TDglThu5bDmlPDglThu5Thu5bGoOG7jFTDgko7PcOCQMOSw4JAV1PDgkrhu5Y9e+G7kFTDguG7tj3DicOCI+G7luG7msOCVOG7lOG7lsagw5RTw4Ij4bu44buMVMOC4bu44buAVOG7lMOCTOG7sFThu5TDginDjCPDgcODL+G7tMSCw4Phu7TDgkpSw4lAQHfhurThu7ThurFVS3vhurTEguG6ucag4bq4VcOCQDrDguG6u1VUI0A9w4JK4buWVcOCxKjGoOG7jiPDgsavVOG7lMOCSj9U4buUw4JAw5LDgiPhu5Yhw4JTxqDhu45U4buUw4Ip4bq4w4Lhu7jhu4BU4buUw4Ij4bu44buMVMOCSuG7luG7mlThu5bDglThu5YoVOG7lMOCSuG7lsag4buOSsOC4bu44buAVOG7lMOCSibDicOCU+G7nFThu5bDgcODL+G7tMSCw4Phu7TDgkpSw4lAQHfhurThu7ThurFVS3vhurTEgsah4buWTVXDgsah4buWw4lU4buWVMagTVTDgy/hu7TEgg==