Table 9: Interdental contacts in percentages, with data division into three groups: 45%–55%, more than 55%, and less than 45%. Kruskal-Wallis test.

Interdental contacts in %N MeanSDMinMax

Relationship between RTA and LTALeft (>55%)231.0520.51250.12.40.004
Right (<45%)181.8720.93360.43.8
45%–55%311.4260.87060.44.1

Difference between RTA and LTALeft (>55%)23−4.04 μV54.444−127 μV126 μV0.012
Right (<45%)1846.94 μV52.571−79 μV166 μV
45%–55%3135.39 μV89.949−145 μV299 μV