Evaluation of the peri-implant bone trabecular microstructure changes in short implants with fractal analysis

International Journal of Implant Dentistry

Table 2 Mean fractal dimension (FD) values before and after implant insertion

	n	Mean	Standard deviation	Minimum	Maximum
FD0	130	1.243	0.152	0.750	1.560
FD1	130	1.113	0.224	0.405	1.510
FD2	130	1.116	0.196	0.410	1.510
FD3	67	1.092	0.216	0.430	1.500
FD4	67	1.081	0.247	0.430	1.500

FD0 fractal dimension 0 (preoperative), FD1 fractal dimension 1 (0–1 month of follow-up), FD2 fractal dimension 2 (1–3 months of follow-up), FD3 fractal dimension 3 (6–12 months of follow-up), FD4 fractal dimension 4 (12 + months of follow-up)