I played ice hockey, by the time I was 14 I knocked out 16 of my teeth. I've already replace the original 16 plus a couple more 3 times already! I'll be replacing them again, permanently (god I hope so!) for the 4th time with the newest implants instead of porcelain crowns! Yes, I very familiar with the dentist 's office! Ha ha ha! That had to make you feel better, huh? Ha ha ha! :)