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Table 2 Mean flexural strength (MPa) for composites with and without fiber reinforcement with respective standard deviations

From: Influence of glass-fiber reinforcement on the flexural strength of different resin composites

Composite

Flexural strength (MPa)

Fiber

Without fiber

X-tra fil

133.53 (8.80) Aa

102.86 (6.39) Ab

Filtek Z350 XT

116.14 (6.62) Ba

101.51 (6.66) Ab

Filtek Z350 XT Flow

104.29 (9.05) Ca

82.70 (9.20) Bb

  1. Mean values followed by different uppercase letters in columns and lowercase letters in rows differed statistically in Tukey’s test at 5 % (p = 0.013). Standard deviations are in parentheses