1. The orthodontic treatment of impacted teeth;Becker,1998
2. Soft-tissue management of labially positioned unerupted teeth;Vanarsdall;Am J Orthod,1977
3. Uncovering labially impacted teeth: apically positioned flap and closed eruption techniques;Vermette;Angle Orthod,1995
4. Gingival status after orthodontic treatment of impacted upper canines;Hansson;Trans Eur Orthod Soc,1972
5. Periodontal status of orthodontically treated impacted maxillary canines;Wisth;Angle Orthod,1976