Improvement of Pit-and-Fissure Sealant Bonding to Enamel with Subpressure Treatment

Table 2

Depth of microleakage of specimens in each group.

Group	Microleakage depth (mean ± SD, mm)
	Before thermocycling	After thermocycling
Group	0.24±0.0	0.30±0.0
Group	0.15±0.0	0.22±0.0
Group	0.23±0.0	0.31±0.0
Group	0.15±0.0	0.23±0.0
Group	0.23±0.0
Group	0.16±0.0
Group	0.23±0.0
Group	0.15±0.0

Identical letters (a, b, c, d, e, f, and g) indicated their difference was not significant (p > 0.05). + indicated the silver depositions appeared in the entire interface.