Table 2: Mean differences between mesiodistal angles of conventional pan and CBCT pan-like images (n = 40).

Tooth Number* Mean Difference (˚) SD 95% CI for Difference p-value Bonferroni p-value
16 -3.2 3.9 -5.832, -.568 .017 .408
15 -0.4 4.8 -3.017, 2.247 .774 1.00
14 +0.4 5.4 -2.268, 3.035 .777 1.00
13 +.09 4.6 -1.734, 3.529 .503 1.00
12 +2.4 9.3 -.222, 5.042 .073 1.00
11 +0.9 6.9 -1.684, 3.579 .480 1.00
21 +2.7 6.0 .068, 5.332 .044 1.00
22 +4.1 7.9 1.431, 6.694 .003 .072
23 ** +5.1 5.8 2.250, 7.555 .000 .000
24 +0.6 4.9 -2.049, 3.257 .655 1.00
25 -0.8 5.1 -3.374, 1.932 .594 1.00
26 -2.5 5.2 -5.147, .117 .061 1.00
36 ** -4.7 6.6 -7.317, -2.053 .001 .024
35 -0.7 5.5 -3.312, 1.952 .612 1.00
34 ** +5.6 8.8 2.948, 8.212 .000 .000
33 ** +8.3 11.6 5.621, 10.884 .000 .000
32 ** +8.9 16.1 6.261, 11.524 .000 .000
31 +1.9 14.3 -.722, 4.542 .155 1.00
41 ** +6.4 11.6 3.761, 9.024 .000 .000
42 ** +8.0 13.0 5.336, 10.599 .000 .000
43 ** +7.2 9.9 4.548, 9.812 .000 .000
44 ** +4.1 7.9 1.501, 6.764 .002 .048
45 +.3 5.8 -2.397, 2.907 .850 1.00
46 -3.7 6.3 -6.199, -.894 .009 .216

* FDI tooth numbers.
Mean difference = (CBCT mesiodistal angle) - (standard pano mesiodistal angle) P < .05 is considered statistically significant.
** Indicates teeth measurements remain statistically significantly different after Bonferroni p-value adjustment.