Hyrax versus transverse sagittal maxillary expander: An assessment of arch changes on dental casts. A retrospective study

ConclusionsThe study has shown that RPE and TSME can achieve similar results in transversal palatal expansion. Differences have been found in the palatal length and in the arch perimeter where TSME seems to be more efficient.
Source: The Saudi Dental Journal - Category: Dentistry Source Type: research