Table 2 Collagen biodegradation 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

24 h

Type I

0.129a,A (0.008)

0.022b,A (0.004)

0.063d,A (0.001)

0.019b,A (0.005)

0.037c,A (0.009)

0.008b,A (0.001)

0.023b,A (0.002)

Type II

0.229a,C (0.010)

0.096b,B (0.023)

0.137b,C (0.002)

0.091b,B (0.050)

0.118b,C (0.016)

0.082b,B (0.005)

0.083b,B (0.003)

120 h

Type I

0.166a,B (0.012)

0.096b,B (0.016)

0.104c,B (0.008)

0.074b,B (0.016)

0.099b,B (0.013)

0.069b,B (0.003)

0.095b,B (0.001)

Type II

0.256a,D (0.020)

0.169b,C (0.002)

0.217c,D (0.016)

0.154b,C (0.022)

0.187b,D (0.016)

0.145b,C (0.009)

0.173b,C (0.009)

  1. CHX, chlorhexidine; PA, proanthocyanidin.
  2. Values are mean (±standard deviation), in ×10−4, m/m. Group identified by different upper and lower case letters are significantly different for columns and rows, respectively (P<0.05).
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