Brushing Your Teeth Five Tips for the Brightest Smile

Brushing Your Teeth Five Tips for the Brightest Smile

We were all taught how to brush our teeth when we were children, and we used the same routine until it became second nature. But it turns out that many of us were taught incorrectly. Reference:  https://www.northpointedental.com/brushing-teeth-five-tips-brightest-smile/

http://www.nicovideo.jp/watch/sm38009105

パソコンで再生が出来ない場合はここをクリックした後に[別窓]をクリック