It looks bonded AND banded. (Banded meaning metal wrapped around teeth... bonded meaning glued in acrylic). This looks really scary... http://www.njms.in/article.asp?issn=0975-5950;year=2015;volume=6;issue=1;spage=80;epage=83;aulast=Srivastava
It would need to definitely be bonded & banded and you wouldn't want to get into any bar fights. LOL
You'd definitely want some serious stability and not accomplish this in a removeable. This is one of the coolest things I've seen! The rates they're expanding are definitely skeletal and not just dental.
References look like a collaboration between doctors in India, Germany and Iran. Only 2 patients done at the time of publication... 2015.