Evaluation of Gingival Microleakage in Class II Composite Restorations with Different Lining Techniques: An In Vitro Study

Table 2

Mean of dye penetration scores in different groups using Kruskal-Wallis test.

Ranks
	Group		Mean rank
Dye penetration scores	Group 1	10	33.40
	Group 2	10	7.85
	Group 3	10	16.40
	Group 4	10	24.35
	Total	40