highly significantp < 0.0001
A higher number of supportive periodontal treatments (per unit increase) improved tooth survival without untoward events highly significant ( p < 0.0001).
A higher number of supportive periodontal treatments (per unit increase) improved tooth survival without untoward events highly significant ( p < 0.0001).
A systematic review came to the conclusion, that the type of irrigant did not show an obvious trend on endodontic outcome and that further analyses were not possible because of insufficient data ( Ng et al., 2008 ).