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Strength of composite repair using different diamond ... - Cbpfindex

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,<br />

8<br />

a 5<br />

l 6<br />

u ,<br />

m 4<br />

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n ±<br />

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m 7<br />

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9<br />

A<br />

,<br />

B<br />

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4<br />

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a<br />

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b<br />

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5 a<br />

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* Comparisons are valid only within adhesive systems. Means<br />

represented by the same upper or lowercase letters indicate<br />

statistically similar means<br />

Table 3 – Means and standard deviations (µm) <strong>of</strong> the roughening<br />

produced by the <strong>different</strong> surface treatments<br />

Treatmen<br />

t<br />

Ra Rz Rt<br />

polishing 0.17 ± A 1.09 ± a 2.08 ± a<br />

0.08<br />

0.37<br />

0.94<br />

fine 1.49 ± B 7.11 ± b 10.46 ± b<br />

0.23<br />

1.37<br />

2.67<br />

medium 2.31 ± C 9.99 ± c 13.92 ± c<br />

0.35<br />

1.28<br />

0.97<br />

coarse 3.82 ± E 16.50 ± d 22.22 ± d<br />

0.27<br />

1.50<br />

1.34<br />

aluminum 3.34 ± D 16.28 ± d 21.66 ± d<br />

oxide 0.14<br />

0.67<br />

0.72<br />

Comparisons are valid each column. Means represented by the same<br />

upper or lowercase letters indicate statistically similar means.

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