Prevalence of Three-Rooted Deciduous Mandibular Molars in the Children of Northwestern Iran

Table 3

Comparison of the frequency distribution of the three-rooted deciduous teeth in terms of symmetry.

Symmetry			Type of the molar		Total
			D	E
Symmetry	Unilateral	N#	15	11	26
		Percent	93.8%	91.7%	92.9%
	Bilateral	N#	1	1	2
		Percent	6.2%	8.3%	7.1%
χ^2(1) = 0.45,