Profile changes following extraction orthodontic treatment: A comparison of first versus second premolar extraction.

@article{Omar2018ProfileCF,
  title={Profile changes following extraction orthodontic treatment: A comparison of first versus second premolar extraction.},
  author={Ziad Omar and Lesley L Short and David W. Banting and Humam Saltaji},
  journal={International orthodontics},
  year={2018},
  volume={16 1},
  pages={
          91-104
        }
}
OBJECTIVE To determine the change in the soft tissue profile following extraction orthodontic treatment with either first or second premolar extractions. METHODS This was a retrospective clinical study of 81 consecutive orthodontic patients treated with extraction of four premolars. Patients were divided into two treatment groups according to whether four first premolar teeth (PM1 treatment group, n=48) or four second premolar teeth were removed (PM2 treatment group, n=33) during treatment… CONTINUE READING

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