TL;DR
In extraction cases, patients treated with CAs demonstrated a larger AW and greater lingual inclination of the anterior teeth than those treated with FAs, which may have implications for space management during treatment.
Investigation of transverse dental changes following modified asymmetric rapid palatal expansion (ARPE) based on cone-beam computed tomography (CBCT) records found modified ARPE may be beneficial for treatment of a unilateral CB.
The findings can help clinicians better understand the planning of space opening for PMLIs before clear aligner therapy commences and provide baseline information for future research.
SLBs showed smaller increases in intercanine width, greater intermolar expansion, and faster early alignment, however, passive space closure was similar between groups, and differences were modest.
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