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Table 2 List of complications for both groups (MAPE and SARPE)

From: Success and complication rate of miniscrew assisted non-surgical palatal expansion in adults - a consecutive study using a novel force-controlled polycyclic activation protocol

Type of complication MAPE group
N = 27
SARPE group
N = 5
Total
N = 32
Soft tissue related 0 1 1 (3.1%)
Tooth related 0 0 0
Hardware related 5 1 6 (18.8%)
Patients with any complication 5/27 (18.5%) 2/5 (40.0%) 7/32 (21.9%)
  1. MAPE: successful non-surgical expansion using the MICRO-4 appliance; SARPE: not successful non-surgical expansion using the MICRO-4 appliance