Microhardness average (KHN) and standard deviations

Distance (mm)

Elipar S10 LED

Delma LED

Optilux 501 QTH

Elipar 2 ESPE QTH

46.22 ± 3.19

54.98 ± 5.79

38.90 ± 3.24

39.28 ± 3.85

0

46.20 ± 5.12

48.24 ± 11.07

35.02 ± 3.93

32.68 ± 3.26

1

46.76 ± 6.18

45.96 ± 6.50

34.38 ± 8.81

32.20 ± 5.25

2

43.26 ± 11.21

45.64 ± 8.22

33.18 ± 6.35

30.88 ± 3.76

3

37.32 ± 3.56

46.36 ± 4.68

32.92 ± 5.26

27.22 ± 2.44

4

39.48 ± 4.32

46.58 ± 3.89

28.18 ± 4.55

26.60 ± 3.12

5

34.04 ± 7.37

33.6 ± 2.73

32.78 ± 2.19

26.82 ± 5.34

6

29.76 ± 3.72

29.72 ± 1.81

26.60 ± 6.29

23.54 ± 5.63

8

29.48 ± 5.16

25.48 ± 5.80

21.10 ± 4.24

18.10 ± 4.00

10