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Table 3 Surface contact angle and surface free energy values

From: In-vitro characterization and evaluation of mesoporous titanium dioxide composite hydroxyapatite and its effectiveness in occluding dentine tubules

Groups

Contact angle (θo)

Surface free energy (nJ/cm2)

Double distilled water

Diiodiomethane

γs

γsd

γsp

Control group

68.78 ± 12.15

55.14 ± 10.34

44.19 ± 1.36

30.44 ± 0.65

13.75 ± 0.34

Gluma group

50.78 ± 9.14*

29.75 ± 7.16*

48.24 ± 3.56

20.40 ± 0.54

23.84 ± 0.68

HAP group

40.86 ± 18.16*

32.91 ± 8.43*

59.70 ± 3.27

47.53 ± 0.66

12.17 ± 0.54

TiO2–HAP group

32.78 ± 7.14*

38.75 ± 5.16*

46.24 ± 3.36

25.60 ± 0.87

20.64 ± 0.73

  1. *P < 0.05
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BMC Oral Health

ISSN: 1472-6831

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