Do not glue it, no glue will be safe for this. I advise you to go to the dentist who will fully understand and replace your current retainer.
Is it safe to put crazy art glue on your teeth?
Gorilla glue is not safe, in the sense that it can bond your skin and be very painful to remove..
Yes it is safe to do that
No, an epoxy glue is more suitable for dishes.
Yes PVC glue is safe for electronics because it is not a conductor and it bonds electronic components.
Good quality crazy glue.
it safe because it still doesn't have glue.
Yes, you can use a glue stick to stick pasta together.That wouldn't be safe to eat pasta having glue on it.That can be toxic.
It's good wood glue and useful for amateurs. Safe for children and cheap.
Yes, you do need a hot glue gun, it's the only safe way.
Depends on the kind of glue, but I would anyway, just to be safe.