Conventional partials (on the left) have metal clasp and hooks. These metal clasps and hooks, grab on to teeth and after a few years, they loosen the tooth that the metal clasp is hooked on, forcing the tooth to be extracted.
Conventional partials (on the left) have metal clasp and hooks. These metal clasps and hooks, grab on to teeth and after a few years, they loosen the tooth that the metal clasp is hooked on, forcing the tooth to be extracted.