Failure evaluation after a 6-year retention period: A comparison between glass fiber-reinforced (GFR) and multistranded bonded retainers

GFR and multistranded stainless steel retainers showed similar results in terms of bond failure and breakage after 6 years of retention. The use of GFR retainers as a retention strategy should not be discouraged and could be considered a viable esthetic alternative to stainless steel wire retainers.