Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment.

@article{Ngan1996SoftTA,
  title={Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment.},
  author={Peter W Ngan and Urban H{\"a}gg and Cynthia Kar Yung Yiu and Daniel Merwin and Stephen Hon-Yin Wei},
  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={1996},
  volume={109 1},
  pages={38-49}
}
One of the goals of early treatment of Class III malocclusion with maxillary expansion and protraction headgear is to significantly improve the dentofacial profile. The objectives of the present study were to determine (1) the interrelationships of the soft tissue and dentoskeletal profiles after maxillary expansion and protraction headgear treatment and (2) which cephalometric variables could contribute to an accurate prediction of the protraction effect on the soft tissue profile. Lateral… CONTINUE READING

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