Table 2: Percentage of cells expressing cell surface markers (mean ± SD).

-	N	CD44	CD146	CD90	CD105	CD45	CD34
PDLSC	3	99.3% ± 1.1	95.4% ± 3.9	99.4% ± 0.7	86.4% + 10.9	0.8% ± 0.8	0.7% +0.9
DPSC	2	99.8% ± 0.1	72.3% ± 15.1	97.1% + 0.2	11.7% + 2.1	0.5% ± 0.7	0.5% ± 0.2
BMSC	3	95.1% ± 4.4	91.8% ± 4.6	96.7% ± 6.4	95.6% ± 3.8	1.2% ± 1.2	2.0% ± 0.7