Table 3.

Structural properties by three-point bending analysis

	6 weeks			8 weeks			10 weeks
	Control	PTH30	P-values	Control	PTH30	P-values	Control	PTH30	P-values
n	5	5		5	5		4a	5
Work to failure (N.mm)	224 ± 35	370 ± 243	ns	170 ± 77	583 ± 86b	P < 0.05	587 ± 241c	639 ± 105b	ns
Peak load (N)	326 ± 40	474 ± 177	ns	304 ± 72	436 ± 156	ns	443 ± 204	339 ± 50	ns
Stiffness (MPa)	337 ± 90	454 ± 225	ns	454 ± 39	427 ± 72	ns	389 ± 66	338 ± 148	ns

Work to failure absorption energy until callus fracture, peak load peak force to make callus fracture, stiffness the slope of the linear portion of the load-deformation curve

^aThe data from one of five rabbits were omitted due to experimental failure

^b P < 0.05, compared to 6 weeks in PTH30 group

^c P < 0.05, compared to 6 and 8 weeks in control group