I have a few lines on my back teeth were the cracks are, is that decay and if so what can the dentist do to lighten them? Will he fill the lines with white filings were the lines are rather than the ...
My last baby tooth fell out in I think 6th grade. :)
so I was 11. :}
It is not the same for everyone, and boys lose their teeth later than girls. 13 is the average age because your adult teeth are usually done forming by the time you're 12. Wisdom teeth are the exception. Some people retain their baby teeth because they don't form adult teeth underneath.