root canals.......fun!
i work for a dentist and he tells me about back in the old days like 30 years ago root canals would take 2 days to perform, you had to drill some, then put a temporary filling in it and come back the next day to complete it, nowadays they've got nice little carbide bits that look like little augers that gets em done in as much time as a regular filling, they drill a hole in the enamel with a regular bit and then use the auger to annihilate all the softer dentine tissue inside the tooth and then fill the whole thing up up with ceramic
yar, so thats the 'too much information' post of the day
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