Abstract:OBJECTIVE: The aim of this retrospective study was to compare the longitudinal stability of
two types of posterior crossbite correction: rapid maxillary expansion (RME) and
slow maxillary expansion (SME). METHODS: Study casts of 90 adolescent patients were assessed for interdental width changes
at three different periods: pretreatment (T1), post-treatment
(T2) and at least, five years post-retention (T3). Three
groups of 30 patients were established according to the treatment received to
correct posterior cros…
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