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A Journal on Dentistry and Maxillofacial Surgery

Official Journal of the Italian Society of Odontostomatology and Maxillofacial Surgery
Indexed/Abstracted in: CAB, EMBASE, Index to Dental Literature, PubMed/MEDLINE, Scopus, Emerging Sources Citation Index




Minerva Stomatologica 2013 September;62(9):307-19

language: English, Italian

Evaluation of the cephalometrics modification of growing Class II Division I patients after treatment with the PUL appliance: a pilot study

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.

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