Table 1. Volume results of using automatic segmentation (Vol 1), manual segmentation using just the first and last slice (Vol 2) and manual segmentation each forth slice (Vol3), of cone beam computer tomography from upper canines (FDI 13, 23).

Individual	Vol 1 (mm3)	Vol 2 (mm3)	Vol 3 (mm3)
1	10.87	10.6	13.2
2	16.03	17	19.7
3	16.4	20.9	19.8
4	9.309	12.9	14.8
5	5.478	7.1385	8.04
6	11.25	12.5	12.6
7	13.26	25.9	16.3
8	16.72	17	23.2
9	37.01	32.6	41.9
10	16.98	23.4	28.9
11	11.77	19.2	17.7
12	5.857	8.7131	11.7
13	9.107	13.3	28.3
14	17.24	33	29.8
15	12.76	27.5	21.1
16	15.87	16.1	27
17	13.2	19.7	22.6
18	11.61	19.7	16.5
19	24.52	35.3	40
20	15.51	22.1	22.1
21	17.6	29.3	35.5
Mean	14.68	20.18	22.41