Default Any cheap ways to fill a hole in my golden telescopic bridge?

Hey everyone,
I used to use UHU but that's probably not the best idea, and I have to re-do it all the time.
The relevant tooth in the bridge is just covering my real tooth, so it's hollow, and the whole is 3-4 mm wide.
It costs around $5000 to fix it, so there has got to be a cheaper and better DIY way, right?
Here's a photo
http://postimg.org/image/lupwpcb73/
Thanks