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Comparisons of the dental arch changes in patients with Class II, division 1 malocclusions：extraction vs nonextraction treatments
Dentition Posttreatment changes Extractions Class II division 1.
2009/1/12
Treatment and posttreatment changes in the dental arches of patients with Class II, division 1 malocclusions were evaluated. Half the patients (N=46) were treated with a nonextraction approach; trea...
Extraction vs Nonextraction：Arch Widths and Smile Esthetics
Smiles Esthetics Extraction Nonextraction Arch width
2008/12/19
Dental casts of 30 patients treated with extraction and 30 patients without extraction of four first premolars were randomly selected to determine changes in arch width as a result of treatment. Arc...