From: The effects of amalgam contamination and different surface modifications on microleakage of dentin bonded to bulk fill composite when using different adhesive protocols
Descriptive statistics
Amalgam groups
Control groups
ER
SE
CHX
DR
NT
 DR
Median
3.00
4.00
3.50
2.00
1.50
2.50
Minimum
1
4
0
Maximum
3
p
0.065
0.845