Table 1. Distribution of samples based on number of roots, mean root length, and external root curvature in central and lateral incisor.

	Central incisor (N = 200)	Lateral incisor (N= 200)
1. No of roots	Percentage (%)	Percentage (%)
Single root	100	100
Two roots	0	0
2. Mean root length	In mm	In mm
	12.769 ± 1.128	13.044 ± 1.235 mm
3. Root curvature	Percentage (%)	Percentage (%)
Straight	96	95
Distally curved	3.5	2.5
Buccally curved	0.5	2
Mesially curved	-	0.5