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Home Rapid and slow maxillary expansion: a posteroanterior cephalometric study

Rapid and slow maxillary expansion: a posteroanterior cephalometric study

Authors:

  • A. Gianolio
    Private practitioner, Cagliari, Italy
  • C. Cherchi
    Private practitioner, Cagliari, Italy
  • V. Lanteri
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy

ABSTRACT


Aim

The purpose of this study was to evaluate and compare the dental and orthopaedic effects of rapid and slow maxillary
expansion in a sample of young patients with transversal maxillary deficiency by using a postero-anterior cephalometric analysis.

Methods

Two groups of patients were considered: 10 patients (3 males, 7 females) with an average age of 8.9
years were treated with a rapid maxillary expansor (RME); 10 patients (7 males, 3 females) with an average age of 12.2 years were
treated with a new slow maxillary expansion appliance (ELA). Postero-anterior cephalometric analyses were made at the beginning of
the therapy (T0) and at the end of expansion (T1) using a computerised cephalometric programme. Four parameters were measured:
Nasal width, maxillary width, mandibular width, upper molars width.

Results

Transversal average width increased 5.435 mm (SD
3.31 mm) between the upper molars in the RME group and 5.547 mm (SD 3.49 mm) in the SME group. Maxillary average width
increased 4.254 mm in the first group and 2.845 mm in SME group. Discussion An orthopaedic result was reached with both
treatments. These results are in agreement with the orthodontic literature.

Conclusion

This work confirms the effectiveness,
efficiency and usefulness of this new ELA appliance in the correction of transversal deficiency with orthopaedic results, if used in
growing patients.

PLUMX METRICS

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Publication date:

Dec /2014

Keywords:

expansion, interceptive orthodontics, postero-anterior teleradiograph

Issue:

Vol.15 – n.4/2014

Page:

415 – 418

Publisher:

Ariesdue

Cite:


Harvard: A. Gianolio, C. Cherchi, V. Lanteri (2014) "Rapid and slow maxillary expansion: a posteroanterior cephalometric study", European Journal of Paediatric Dentistry, 15(4), pp415-418. doi: https://www.ejpd.eu/pdf/EJPD_2014_4_16.pdf
Vancouver: A. Gianolio, C. Cherchi, V. Lanteri. Rapid and slow maxillary expansion: a posteroanterior cephalometric study. European Journal of Paediatric Dentistry [Internet]. 2014Dec.1 [cited 2023Mar.23];15(4):415-418. Available from: https://www.ejpd.eu/abstract-pubmed/rapid-and-slow-maxillary-expansion-a-posteroanterior-cephalometric-study/
MLA: A. Gianolio, C. Cherchi, V. Lanteri Rapid and slow maxillary expansion: a posteroanterior cephalometric study. European Journal of Paediatric Dentistry. 2014;15(4):415-418

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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