Question: Why are my front teeth kind of see-through? My two top front teeth are kind of see-through at the bottom, anyone know why? Is this due to erosion of the enamel? I had braces when I was younger, and the back of my front teeth sat on top of the brackets on my lower teeth when my mouth was closed - could this have caused the problem?

Answer: do you have stomach acid problems (acid reflux)?  my mother just had to have her teeth bonded on the bottom b/c they're eroding from her bad acid reflux.  bulimia can cause that too.
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