1. Principles of retention and avoidance of posttreatment relapse;Reitan;Am J Orthod,1969
2. Tissue rearrangement during retention of orthodontically rotated teeth;Reitan;Angle Orthod,1959
3. Periodontal force: a potential cause of relapse;Southard;Am J Orthod Dentofacial Orthop,1992
4. Biological basis for orthodontic relapse;Thilander;Seminars in Orthodontics,2000
5. Tissue reactions in orthodontics;Thilander,2000