I’ve heard that if you have dreams about loosing a tooth/loosing teeth that it has a meaning behind it? - Help.com

It means somebody is waiting to give you a good knuckle sandwich on the kisser. So be alert!

alledgedly, its due to the ageing process :)

why dont you google it&see if something different comes up :)

or this:

Teeth

To dream that you have rotten or decaying teeth, forewarns that your health and/or business is in jeopardy. You may have uttered some false or foul words and those words are coming back to haunt you.

To dream that your teeth is gleaming, signifies happiness and fulfilled wishes.

To dream that you are brushing your teeth, signifies your level of confidence, struggles and aggressiveness. You need to look out for yourself and your own interest. Perhaps, you feel that your standing or position is shaky.

or this:

losing teeth

A dream about losing teeth, or discovering missing teeth, can indicate a feeling or a fear that something has caused you to lose a healthy balance within your physical body or within your mental state or life.

Someone else losing teeth can represent a fear that they will lose an enjoyable or important aspect of their current life.

Go here:

http://www.thecuriousdreamer.com/

I had that dream when I felt bad about not brushing my teeth enough. In my dream, all my teeth fell out and were loose in my mouth. Having a mouthful of teeth was really gross.

I thought it was about being insecure?