看過廠家視頻,不大信。除非有人現身說法能清除牙垢。因為牙垢用刀刮都不易清除,醫生是磨掉的吧?你如果是3000psi的高壓水我信,但那就是刀切了。
看過廠家視頻,不大信。除非有人現身說法能清除牙垢。因為牙垢用刀刮都不易清除,醫生是磨掉的吧?你如果是3000psi的高壓水我信,但那就是刀切了。
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