Table 1 Particle size distribution of the three dental prosthetic grinding dust particles before and after fine milling.

From: Cytotoxic effects of dental prosthesis grinding dust on RAW264.7 cells

 

A-1

A-2

B-1

B-2

C-1

C-2

< 5 μm (%)

4.19

8.23

0.08

1.03

12.79

21.05

5–10 μm (%)

1.57

4.3

0.62

2.37

12.74

21.25

> 10 μm (%)

94.24

87.47

99.3

96.6

74.47

47.7

  1. A-1 PMMA, A-2 finely ground PMMA, B-1 Vitallium, B-2 finely ground Vitallium, C-1 porcelain, C-2 finely ground porcelain.
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