Table 1. Summary of quantitative results for histomorphometry of area density (%).

Parameters/Groups	Control 7d	ZA 7d	Control 21d	ZA 21d
Blood clot	3.27±3.10	27.29±6.44*	0.00±0.00	15.79±14.96*
Inflam.Infiltrate	5.53±1.17	14.36±3.93*	1.62±0.62	18.33±6.03*
Osteocytes	6.57±2.06	1.63±1.32*	4.84±4.05	2.13±2.88*
Empty lacunae	0.02±0.05	0.75±0.95	0.04±0.08	7.43±7.85*
Detached TRAP+OC	0.03±0.05	0.04±0.05	0.016±0.28	1.60±0.81*
Attached TRAP+ OC	0.72±0.82	0.29±0.26	6.40±2.45	1.93±0.50*
Total of TRAP +OC	0.75±0.78	0.32±0.27	6.56±2.17	3.53±0.64*
TGFb+ cells	13.34±6.67	3.02±1.56*	4.16±1.58	5.79±0.40
Runx-2+ cells	10.71±1.63	1.32±1.41*	8.93±.76	2.75±1.36*
F4/80+ cells	6.01±3.16	1.90±1.71*	1.62±1.68	3.42±1.61

Results are presented as the means (±SD) for each parameter.

Symbol *indicate a statistically significant difference vs control at the same time point (p<0.05).