1. Clinical and histologic observations on tooth movement during and after orthodontic treatment;Reitan;Am J Orthod,1967
2. Periodontal conditions after orthodontic tooth movements in the dog;Ericsson;Angle Orthod,1978
3. Orthodontic forces and recurrence of periodontal disease;Ericsson;Am J Orthod,1978
4. Periodontal condition in orthodontically treated and untreated individuals. II. Alveolar bone loss: Radiographic findings;Zachrisson;Angle Orthod,1974
5. Longitudinal study of periodontal condition associated with orthodontic treatment in adolescents;Alstad;Am J Orthod,1979