1. Periodontal condition in orthodontically treated and untreated individuals, loss of attachment, gingival pocket depth and clinical crown height;Zachrisson;Angle Orthod,1973
2. The effect of orthodontic treatment on the periodontium;Kloehn;Angle Orthod,1974
3. The width of keratinized gingiva during orthodontic treatment: its significance and impact on periodontal status;Coatoam;J Periodontol,1981
4. Changes of the marginal periodontium as a result of labial tooth movement in monkeys;Steiner;J Periodontol,1981
5. Orthodontic treatment and periodontal status;Trossello;J Periodontol,1979