Reji Abraham
Professor and Head, Department of Orthodontics and Dentofacial Orthopaedics, Sri Hasanamba Dental College and Hospital, Hassan, India
Tricks of the trade: fixed retention appliance (FRA): an effective retention appliance with a simple design
Reji AbrahamThe fixed retention appliance (Figure 1) has a simple design with two major components, a long labial bow and molar bands on first molars. The labial bow acts as the active component which contacts...