Table 4. Number and percentages of patients with entomolaris (distolingual root) and paramolaris (mesiobuccal root) in mandibular first molars according to sex and jaw side (n = 741).

Sex	Jaw side	Total No. of patients	Total No. of teeth	Radix molaris
				Entomolaris	Paramolaris
Male	Bilateral	2	4	4 (0.5%)	0
	Unilateral	10	10	8 (1.1%)	2 (0.3%)
	Total	12	14	12 (1.6%)	2 (0.3%)
Female	Bilateral	3	6	6 (0.8%)	0
	Unilateral	13	13	13 (1.8%)	0
	Total	16	19	19 (2.6%)	0
Grand total		28	33 (4.5%)	31 (4.2%)	2 (0.3%)