New Delhi, Oct. 30 -- Just over a year ago, I was in Los Angeles, USA, for a summer holiday, and on a whim, I bought the Oral-B iO8 electric toothbrush, which I got to use upon returning to India. Many dentists, including the one I go to regularly, recommend electric toothbrushes over manual ones. A couple of months later, I wrote an article titled, 'When it comes to brushing your teeth, are you team manual or electric?' While conducting research for the article and speaking with dentists as well as consumers, I became firmly convinced that I am on the right team, which is Team Electric.

Over the past few weeks, I've been testing the Oral-B iO9 electric toothbrush, a significant upgrade from the iO8, which reaffirms my decision to be on ...