Originally posted by 凡人 at 2005-10-18 01:46 PM:7 d# t: H5 ~7 c; c! h4 f
后排的牙齿怎样使用牙线呢?
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两手拉着牙线两端,将嘴张到最大,将手往里面伸,对准牙缝用两个中指将牙线往里面顶。" @ i0 `) T+ r6 X K N
多练习几次,就能掌握要领。 9 u. P; D; m% B9 ~2 o( H' ?关键嘴巴要大。比谁的嘴巴张的大,我老公次次输给我!
I use floss every two days. I feel great. 3 \5 R9 G3 \) Q. T. D9 XI also send a few package for my sisters, they are in China. {1 r4 Z4 [+ w$ W: AI think this is a great idea for protecting your teeth.