The stannous fluoride dentifrice provided significantly ( P < 0.0001 ) superior dentin hypersensitivity reduction compared to the negative control dentifrice at each time point and by both evaluation measures : superior mean relative Yeaple Probe ( tactile ) benefits were 124.5 % after one use , 203.8 % after 3 days , and 222.5 % after 2 weeks ; and superior mean relative Schiff Air Index ( thermal ) benefits were 27.6 % after a single use , 44.6 % at Day 3 , and 74.2 % at Week 2 .