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Figure 3. Roughness distribution for (a) Virgin tooth, (b) Crest^TM toothpaste-polished, (c) NuPro^TM-polished, and (d) slurry-polished tooth surface. The average and standard deviation values are: 21 ± 6 nm (a), 22 ± 4 nm (b), 25 ± 5 nm (c), and 2.4 ± 1.4 nm (d).

J DENT RES, Vol. 87, No. 10, 980-983 (2008)
DOI: 10.1177/154405910808701007

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