Rapid maxillary expansion for interceptive orthodontic treatment of palatally displaced canine: A systematic review

Authors:

ABSTRACT

Aim

The present systematic review aims to summarise the relevant randomised clinical trials and estimate the efficacy of
interceptive orthodontic intervention, in particular if an interceptive treatment with rapid maxillary expansion could be successful in
managing of palatally displaced canines (PDCs).

Methods

A search strategy was developed on electronic
databases including Medline, Web of Science, Scopus and Cochrane Collaboration Trial from 1925 to 2019. Two reviewers
independently reviewed the sources deciding for a full reading according to the inclusion and exclusion criteria. Methodological quality
criteria were applied to the selected articles.

Results

Three randomised clinical trials (RCTs) and one prospective longitudinal study
were included in the systematic review. Generally, the intervention groups showed a higher incidence of successful eruption of PDCs
(45.1% - 65.7%) compared with the control groups (13.1% - 13.6%). CONCLUSIONS: Based on the literature published, authors
reached a reasonable conclusion that rapid maxillary expansion can facilitate the eruption of PDCs. Authors suggest to associate
maxillary expansion with deciduous canine extraction or prevention of mesial movement of the upper first molars.

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