Drills.

'It is the sound that can make the toughest men moan and the calmest women weep.
But the whine of the dentist’s drill could soon be silenced for good, according to researchers.
Scientists believe they have found the secret of a ‘completely painless’ filling by identifying a material which repairs decaying teeth – with no need for a drill.'
Please Lord, may this all be true - and imminent?
Read more: http://www.dailymail.co.uk/health/article-2029014/At-fillings-dont-need-drilling-make-trips-dentist-lot-painful.html#ixzz1VpaOz5d1