Oftentimes these small dark spots turn into huge cavities.
Thank you Dr. Kohler for showing this great video of how a little defect can turn into a big problem. Luckily, this was caught before it needed to be treated with a root canal or worse.
Subscribe for a straight smile.
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![](https://s2.save4k.ru/pic/iEgenMeh6Uw/maxresdefault.jpg)