Table 1. Levels of molecules release from PRF clots at different timepoints (means ± SD).

Molecule	1 hour	24 hours	72 hours	168 hours
VEGF (pg/ml)	23.82±4.03	72.64±10.81	167.43±13.52	325.36±37.64
PDGF-AB(ng/ml)	0.83±0.12	1.24±0.15	1.89±0.18	2.51±0.33
TGF-β1(ng/ml)	0.91±0.13	2.08±0.25	2.76±0.31	5.26±0.68
EGF(pg/ml)	28.45±4.14	169.07±20.32	231.93±31.42	427.13±39.12
IL-6(pg/ml)	1.46±0.27	5.11±1.03	8.08±1.14	23.89±3.57
IGF-1(pg/ml)	3. 40±0.52	18. 15±3.23	37. 41±5.21	68. 22±8.07
MMP-1(ng/ml)	4.22±0.66	17.62±3.08	25.93±3.86	57. 64±6.29