Table 1.

Comparisons of labial alveolar bone between Ceph, U1CT, and U2CT.

Maxillary Teeth (n = 64)	Labial Side
	Ceph	U1CT	U2CT	ANOVA p-Value	Differences
	(C)	(U1)	(U2)		C-U1	C-U2	U1-U2
1) Alveolar bone thickness
3 mm apical to CEJ	0.81 ± 0.15	0.61 ± 0.12	0.57 ± 0.09	<0.001	0.20 **	0.24 **	0.04
6 mm apical to CEJ	0.95 ± 0.21	0.64 ± 0.11	0.59 ± 0.10	<0.001	0.31 **	0.36 **	0.05
9 mm apical to CEJ	1.32 ± 0.19	0.68 ± 0.11	0.65 ± 0.14	<0.001	0.64 **	0.67 **	0.03
2) Alveolar bone height (CEJ to alveolar crest)	1.38 ± 0.27	1.61 ± 0.20	1.65 ± 0.17	<0.001	0.23 **	0.27 **	0.04
3) Cortical bone thickness
3 mm apical to CEJ	0.81 ± 0.15	0.61 ± 0.12	0.57 ± 0.09	<0.001	0.20 **	0.24 **	0.04
6 mm apical to CEJ	0.95 ± 0.21	0.64 ± 0.11	0.59 ± 0.10	<0.001	0.31 **	0.36 **	0.05
9 mm apical to CEJ	1.32 ± 0.19	0.68 ± 0.11	0.65 ± 0.14	<0.001	0.64 **	0.67 **	0.03
4) Cortical bone height	10.51 ± 1.07	10.16 ± 0.96	10.04 ± 0.95	0.051	0.35	0.47	0.12
5) Cancellous bone thickness
3 mm apical to CEJ	-	-	-	N/A	-	-	-
6 mm apical to CEJ	-	-	-	N/A	-	-	-
9 mm apical to CEJ	-	-	-	N/A	-	-	-

Differences between groups were tested by ANOVA and Bonferroni test. ** p < 0.001.