highly significantp < 0.001
The Kruskal–Wallis test revealed a highly significant overall difference in gingival thickness between groups (χ 2 = 55.66, df = 3, p < 0.001).
The Kruskal–Wallis test revealed a highly significant overall difference in gingival thickness between groups (χ 2 = 55.66, df = 3, p < 0.001).