How old are you? If you are young (under 12 or 13 years old) and if you haven't hit the tooth lately, then it's probably a baby tooth. It is rare for a child to have a loose adult tooth. If you are...
ask your dentist look underneath the loose tooth if you see a white bump then it is baby tooth if loose enough you might might see a little bump underneath the loose tooth look at the signs of the...
have you lost that tooth before? if you have then that was an adult tooth. also, baby teeth look like rice a little and permanent teeth are more square than rectangular