Cast metal resin-bonded retainers for posterior teeth.

The design, fabrication, and bonding factors relating to resin-bonded retainers for posterior teeth have been described. When indicated, these retainers provide an alternative to the usual fixed prosthodontic retainers. In addition to having the qualities of a fixed appliance, these retainers enable the therapeutic procedure to be conservative, esthetically acceptable, economical, and reversible.