How to use an electric toothbrush!
I had been thinking recently that my Oral B has not been getting my teeth as clean as the hygienist does. My response was to press harder and scrub the head up and down like a conventional toothbrush. No joy!
Yesterday, this video popped up on YouTube...
I followed the instructions last night and... wow, squeaky clean teeth!
(His video on flossing iz also worth watching.)