Digital Radiography for Determination of Primary Tooth Length: In Vivo and Ex Vivo Studies

Table 1

Means, standard deviations (SD), and minimum and maximum values of tooth length. Differences between radiographic tooth length and actual tooth length (ACTL).

	Mean (mm)	Std. deviation	Minimum (mm)	Maximum (mm)
In vivo	10.66	1.61	7.98	13.25
Ex vivo	11.24	1.50	8.45	13.43
ACTL	11.00	1.41	8.00	13.40
In vivo mean difference	0.34	1.17	−1.27	2.70
Ex vivo mean difference	−0.24	0.40	−0.80	0.75