To get more clarity and to diagnose correctly can you elaborate - are your teeth coming out now ? Before they were ok OR the teeth were out but you have started noticing now ?
This will impact the diagnosis and treatment .
We need to check clinically how much is it out so the time of treatment will depend on that.
If you have only one tooth issue then it would be around 6-8 months .
Next Steps
There are various type of braces - choose what suits you and is comfortable .
Health Tips
Visit a specialist get the OPG X-ray done and start the treatment .