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Home Bilateral cross-bite treated by repeated rapid maxillary expansions: a 17-year follow-up case

Bilateral cross-bite treated by repeated rapid maxillary expansions: a 17-year follow-up case

Authors:

  • M. Cozzani
    University of Cagliary, School of Dentistry Cagliari, Italy
  • L. Mazzotta
    Private Practice, Genoa, Italy
  • A. Caprioglio
    University of Insubria, School of Dentistry Varese, Italy

ABSTRACT


Background

The objective of this paper is to show the clinical results after the repeated application of a Haas expander
for rapid maxillary expansion (RME) anchored onto deciduous teeth in a 7-year-old patient that presented bilateral cross-bite, superior
crowding and no space for permanent lateral incisors eruption.

Case report

A first Haas expander was applied to the patient. She
was told to activate it once a day, each activation was equal to 0.20 mm. After the first RME, the bilateral cross-bite was solved but still
there was not enough space for lateral incisor eruption. A second and then a third Haas expander were applied, with the same
activation protocol as the first one, in order to gain space in the anterior region and to achieve proper eruption of the lateral incisors. The
patient was then treated with fixed appliances. At debonding the patient presented well aligned arch-forms: space for lateral incisor
eruption was gained and superior crowding was solved. Bilateral cross-bite was also corrected. She was seen again 10 years and 17
years after expansions: she showed no relapse and presented a good functional occlusion that had remained stable, and an
aesthetically pleasant smile, however she exhibited gingival recessions.

Conclusion

Repeated rapid maxillary expansion, anchored
onto deciduous teeth, performed in early mixed dentition represents a safe and successful treatment to correct severe bilateral cross-
bites and to create space for maxillary incisor eruption.

PLUMX METRICS

Publication date:

Jul /2014

Keywords:

deciduous teeth used as anchorage, incisor spontaneous alignment, long-term stability, permanent molar spontaneous movement, repeated rapid maxillary expansion

Issue:

Vol.15 – n.2 suppl/2014

Page:

177 – 180

Publisher:

Ariesdue

Cite:


Harvard: M. Cozzani, L. Mazzotta, A. Caprioglio (2014) "Bilateral cross-bite treated by repeated rapid maxillary expansions: a 17-year follow-up case", European Journal of Paediatric Dentistry, 15(2 suppl), pp177-180. doi:
Vancouver: M. Cozzani, L. Mazzotta, A. Caprioglio. Bilateral cross-bite treated by repeated rapid maxillary expansions: a 17-year follow-up case. European Journal of Paediatric Dentistry [Internet]. 2014Jul.1 [cited 2023Mar.25];15(2 suppl):177-180. Available from: https://www.ejpd.eu/abstract-pubmed/bilateral-cross-bite-treated-by-repeated-rapid-maxillary-expansions-a-17-year-follow-up-case/
MLA: M. Cozzani, L. Mazzotta, A. Caprioglio Bilateral cross-bite treated by repeated rapid maxillary expansions: a 17-year follow-up case. European Journal of Paediatric Dentistry. 2014;15(2 suppl):177-180

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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