Bone Texture Fractal Dimension Analysis of Ultrasound-Treated Bone around Implant Site: A Double-Blind Clinical Trial

Table 5

An intervention-control group comparison in mean change in the FD-distal side after three and six months of surgery compared to immediate postoperative measurements.

	At baseline	After 3 months	Changes after 3 months compared to immediate	Cohen’s d	(paired t-test)	After 6 months	Changes after 6 months compared to immediate	Cohen’s d	(paired t-test)
Control
Range	(1.228 to 1.362)	(1.312 to 1.398)	(0.015 to 0.12)			(1.363 to 1.49)	(0.036 to 0.152)
Mean	1.308	1.354	0.047	1.55	<0.001	1.398	0.090	2.25	<0.001
SD	0.036	0.031	0.031			0.036	0.038
SE	0.011	0.009	0.009			0.011	0.011
N	11	11	11			11	11
Intervention
Range	(1.246 to 1.347)	(1.295 to 1.493)	(0.008 to 0.15)			(1.32 to 1.68)	(0.074 to 0.386)
Mean	1.315	1.370	0.055	1.38	<0.001	1.503	0.188	2.68	<0.001
SD	0.029	0.056	0.037			0.095	0.087
SE	0.009	0.017	0.011			0.029	0.026
N	11	11	11			11	11
(independent samples t-test)	0.61 (NS)	0.42 (NS)	0.56 (NS)			0.003	0.003