Table 1 μTBS of bonded specimens with or without PA pre-treatment after collagenase challenge

From: Anti-proteolytic capacity and bonding durability of proanthocyanidin-biomodified demineralized dentin matrix

 

Non-treated controls

Pre-treatment groups

Exposure time

Collagenase

2% CHX

10% PA

15% PA

120 s

60 s

120 s

60 s

120 s

60 s

0 h

 

27.89a,A (6.42)

33.42b,A (7.14)

31.61 b,A (5.18)

32.38 b,A (3.72)

29.37a,A (5.00)

33.56 b,A (6.64)

31.65b,A (8.04)

24 h

Type I

22.45a,B (5.68)

25.71a,B (5.19)

23.99a,B (5.58)

29.04b,A (6.44)

26.13a,A (4.81)

32.01 b,A (6.10)

29.67b,A (5.63)

Type II

16.28a,C (5.16)

22.78b,C (4.83)

20.29b,C (4.91)

23.48b,B (5.41)

21.75b,B (5.36)

26.50 c, B (5.93)

23.96b,B (6.58)

120 h

Type I

13.89a,C (3.05)

20.17b,C (5.19)

17.09a,C (4.85)

21.63b,B (5.96)

19.26b,B (4.51)

26.52 c,B (4.61)

24.06c,B (5.01)

Type II

10.97a,D (3.12)

20.28 b,C (5.54)

18.26b,C (3.59)

21.03b,B (5.79)

19.87b,B (5.28)

23.87 b,B (4.73)

22.73b,B (3.41)

  1. CHX, chlorhexidine; PA, proanthocyanidin; μTBS, microtensile bond strength.
  2. Values are mean (±standard deviation), in MPa, n=40. Group identified by different upper and lower case letters are significantly different for columns and rows, respectively (P<0.05).
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