Dental Retainer Dental Retainer?

Dental retainer? - dental retainer

I had braces a few years ago, my servant, and I used it for three years (one year, the orthodontist, he says). I overheard, and again a gap in his teeth. I tried to wear it again for a week, but when I pulled back the gap. In trying to select a teethgap.com bands. What do you suggest?