Depth-Dependent Cellular Response from Dental Bulk-Fill Resins in Human Dental Pulp Stem Cells

Table 2

hDPSC viability () after culture in 100% extract from each product.

Product	Top (0~2 mm)	Middle (2~4 mm)	Bottom (4~6 mm)
SDR	99.8 (±9.4)^a,	99.2 (±4.8)^a,	69.0 (±9.4)^b,
VBF	99.1 (±5.6)^a,	71.1 (±4.6)^b,&	62.5 (±4.8)^c,
BBF	43.5 (±4.2)^a,&	7.0 (±2.2)^b,$	5.5 (±2.9)^b,&
ZFF	97.1 (±2.3)^a,	64.4 (±8.9)^b,&	5.9 (±4.8)^c,&

Letters (a, b, and c) represent significant differences between different letters in the same material. Symbols (, &, $, and #) represent significant differences between different symbols at the same depths resulting from light curing.