AS a child of the ’90s, the phrase ‘teeth whitening’ always triggers a specific memory for me, of an episode of Friends: the one where Ross tries to impress a date by over-whitening his teeth – and hilarity ensues. As a result, I’ve always been a bit worried that a teeth whitening session might leave me with a glow-in-the-dark smile. (As Chandler asks, ‘What was wrong with your old… human teeth?’) Turns out, you shouldn’t base your opinions on sitcoms.
Here’s the thing: I love coffee, and not so long ago, I smoked. (I know, I know. I have since kicked the habit for good, so I don’t need a lecture.) And I’m not what you would call a regular visitor to the dentist. What these confessions mean is
