Premolar and additional first molar extraction effects on soft tissue. Effects on high Angle Class II division 1 patients.

@article{Ozaki2007PremolarAA,
  title={Premolar and additional first molar extraction effects on soft tissue. Effects on high Angle Class II division 1 patients.},
  author={Takemasa Ozaki and Shusaku Ozaki and Kumi O. Kuroda},
  journal={The Angle orthodontist},
  year={2007},
  volume={77 2},
  pages={244-53}
}
OBJECTIVE To determine the effects of premolar and additional first molar extractions (AFMEs) on soft tissue changes after four premolar extractions in high Angle Class II division 1 patients. MATERIALS AND METHODS Thirty-three AFME patients, 24 of who had maxillary-only AFME and 9 of who had all-four AFME, were studied by cephalometric analysis and compared with 43 patients treated with four premolar-only extractions (PRMEs) as a control group. Lateral cephalograms taken at four time points… CONTINUE READING