An evaluation of changes in mandibular anterior alignment from 10 to 20 years postretention.

@article{Little1988AnEO,
  title={An evaluation of changes in mandibular anterior alignment from 10 to 20 years postretention.},
  author={Robert M Little and R A Riedel and Jon {\AA}rtun},
  journal={American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics},
  year={1988},
  volume={93 5},
  pages={423-8}
}
Pretreatment, end of treatment, 10-year postretention, and 20-year postretention records of 31 four premolar extraction cases were assessed to evaluate stability and relapse of mandibular anterior alignment. Crowding continued to increase during the 10- to 20-year postretention phase but to a lesser degree than from the end of retention to 10 years postretention. Only 10% of the cases were judged to have clinically acceptable mandibular alignment at the last stage of diagnostic records. Cases… CONTINUE READING