Fig. 4From: What is the Oral Health-related Quality of Life following Miniscrew-Assisted Rapid Palatal Expansion (MARPE)? A prospective clinical cohort studyResults of the OHIP-14 questionnaires. Mean OHIP-score ± SD and the sample size (N) are shown for T0, the first five weeks during P1, and for P2. The green bar represents a mild, the yellow bar a moderate and the red bar a severe negative impact on OHRQoLBack to article page