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Online ISSN 1827-174X
Migliorati M. 1, Calzolari C. 1, Silvestrini-Biavati A. 1, Schiavetti I. 2, Signori A. 2, Dalessandri D. 3, Orsini A. 1, Patti A. 4, Callabe E. 5
1 Genoa University, Genoa, Italy;
2 Unit of Biostatistics, University of Genoa, Genoa, Italy;
3 Università di Brescia, Brescia, Italy;
4 Private practioner, Verona, Italy;
5 Private practioner, Blois, France
Aim: The aim of this preliminary study was to evaluate short-term dentoskeletal changes obtained with a functional appliance for Class II Division I malocclusions called propulsor universal light (PUL).
Methods: Fifteen Class II Division 1 patients (10.6±1.2 years) were consecutively treated by one expert operator with PUL appliance and they were compared with a longitudinal group of Class II Division I untreated patients (9.9±1.9 years) matched for pubertal growth spurt stage and sex. Lateral cephalograms were taken before PUL therapy and at the end of treatment. The mean duration of treatment was 11.2±0.3 months; t-test or Mann-Whitney U-test was used (P <0.05).
Results: Statistically significant reduction of the overjet, WITS and ANB was noticed in treated group as well as a significant improvement of CoGo and Ramus.
Conclusion: Class II Division I malocclusion in the short term was efficiently treated by PUL appliance with both skeletal and dentoalveolar changes.
language: English, Italian