Comparison between Multi-strand wire (MS) and Ortho-Flex-Tech™ wire (OFT) retainer groups in terms of the gingival health parameters, IRI, and number of fractured retainers, standard deviation, 95% Confidence Interval, Median and Interquartile. 
PLAQUE
Mann-Whitney U test. Chi-square test (only for FR). * Significant (p < 0.05). PI: Plaque index. GI: Gingival index. CI: Calculus index. SOHI: Simplified oral hygiene index. IRI: Irregularity index. FR: Fractured Retainer.
