Clinical evaluation of a modified silver fluoride application technique designed to facilitate lesion assessment in outreach programs

Table 1 Summary of changes in lesion depth by surface type over 6 months

Change in caries-pulp distance at 6 months (mm)
Lesion surface type	n	Mean	Median	Std.dev.	Min.	Max.	Inter-quartile range
Uninterrupted black	47	0.00	−0.03	0.23	−0.59	0.83	−0.12,0.00
Non-retained/interrupted black	41	0.26	0.24	0.25	−0.46	0.70	0.12,0.47

ISSN: 1472-6831