I'm not sure I wanted to see a tooth in that detail. Thanks

"Beyond this nothing more is visible... for the moment. Oh wait, there's Rottenseed's penis."

in your FACE science

Automatic upvote because I'm a dentist, but there were a couple of things that stuck out.

Wisdom teeth are notorious for their extremely variable morphology, but my first impression was that this was not a human tooth - possibly a canine molar. (That is, a dog's molar, as opposed to an "eye tooth" molar.) I'm not saying it couldn't be human, but it wasn't my first guess.

I also take issue with the oversimplified description of tooth decay etiology. It's not that decay happens because too much bacteria gets "in the tooth", but bacteria metabolize sugar and produce acid, which dissolves the enamel. Specifically, the acid produced allows demineralization of the hydroxyapatite, leading to weakening and collapse of the crystal structure and cavitation. (Thus, a "cavity".)

You could have all the bacteria in the world in and around your teeth, but if you never gave them any "fermentable carbohydrates" (sugars), you'd never get a cavity. Periodontal disease, maybe.

Yes, my version above is a lot more wordy, but it's summarized as "bacteria use sugar to make acid, which dissolves the enamel."

>> ^ReverendTed:
Automatic upvote because I'm a dentist, but there were a couple of things that stuck out.
Wisdom teeth are notorious for their extremely variable morphology, but my first impression was that this was not a human tooth - possibly a canine molar. (That is, a dog's molar, as opposed to an "eye tooth" molar.) I'm not saying it couldn't be human, but it wasn't my first guess.
I also take issue with the oversimplified description of tooth decay etiology. It's not that decay happens because too much bacteria gets "in the tooth", but bacteria metabolize sugar and produce acid, which dissolves the enamel. Specifically, the acid produced allows demineralization of the hydroxyapatite, leading to weakening and collapse of the crystal structure and cavitation. (Thus, a "cavity".)
You could have all the bacteria in the world in and around your teeth, but if you never gave them any "fermentable carbohydrates" (sugars), you'd never get a cavity. Periodontal disease, maybe.
Yes, my version above is a lot more wordy, but it's summarized as "bacteria use sugar to make acid, which dissolves the enamel."


The video should had showed cavitities zoomed in.

More educational zoom in videos: http://www.dailymotion.com/related/x4muob_zoom-into-a-tooth_tech/1?hmz=74616272656c61746564

This should be combined with the "Universe in Powers of 10" video, because, you know, we are all human-centric.

I read a couple years ago about successful initial efforts in the areas of 1. growing new teeth from scratch using stem cells, and 2. replacing the bacteria colonies in our mouths that cause tooth decay with bacteria strains that don't cause tooth decay, and which can outcompete the harmful bacteria strains.

>> ^gwiz665:
"Beyond this nothing more is visible... for the moment. Oh wait, there's Rottenseed's penis."

...I was cold.

I was hoping at the end in the darkness between the crystal molecules I'd see a cavity creep peek out from around the corner.

If you zoom in far enough you might see Angels or Demons.

Though... we have yet to actually see any... anywhere.. in the microscopic or macroscopic universe.

You can't HANDLE the tooth!

pfff the increase of the "zooming factor" did not match the video at all

...how the hell?

Ok, but what does my tooth look like after I eat Lucky Charms? Good luck with that one, "science."

This is pure dental porn. Dentist get off to these videos all the time.

my god its full of stars!!

I really don't want to know what your teeth look like after eating Luckys charms.

>> ^Edgeman2112:
Ok, but what does my tooth look like after I eat Lucky Charms? Good luck with that one, "science."