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Table 2 Microleakage in Dentin

From: Evaluation of microleakage of class II dental composite resin restorations cured with LED or QTH dental curing light; Blind, Cluster Randomized, In vitro cross sectional study

Total numbers of successful tests (excluding non-readable) Total number of samples 4 3 2 1 Score
   Numbers Percentage Numbers Percentage Numbers Percentage Numbers Percentage Group
24 25 19 76 1 4 3 12 1 4 QTH
24 25 23 92 0 0 1 4 0 0 LED conventional
25 25 0 0 14 56 11 44 0 0 LED pulse-delay
24 25 2 8 13 52 9 36 0 0 LED ramped
P-value = 0.00