Influence of Dentin Priming with Tannin-Rich Plant Extracts on the Longevity of Bonded Composite Restorations

Table 2

Extracts analyzed with respect to tannin level (% w/w).

Extract	Tannin (%)
MTZ	0.0 (0.0)
CTC	9.5 (0.9)
GUA	10.8 (0.5)
GCH	33.7 (0.6)
TNA	26.2 (2.6)

Values within the parenthesis are standard deviation.