Group A: 5% potassium nitrate toothpaste -Group B: 5% calcium sodium phosphosilicate toothpaste -Group C: 3.85% amine fluoride toothpaste -Group D: placebo toothpaste (negative control; no information was provided as to the constituents of control)
Pre-op and post-op evaporative (controlled air stimulus) and thermal stimuli (10 mL of ice cold water) used
Group A: 5% calcium sodium phosphosilicate (Novamin) toothpaste -Group B: 5% potassium nitrate toothpaste (positive control) -Group C: same formulation as toothpaste A; however, no active ingredient (negative control)
Pre-op and post-op evaporative (controlled air stimulus) and thermal stimuli (10 mL of ice cold water) used
8-week double-blind randomized placebo controlled pilot study
66 No mention of dropouts
Group A: placebo control toothpaste (negative control; no information was provided as to the constituents of control) -Group B: 2.5% Novamin toothpaste -Group C: 7.5% Novamin toothpaste
Pre-op and post-op tactile (Yeaple probe calibrated at 40 g force) and an evaporative stimulus (one-second air blast)