Home whitening & tooth sensitivity

Approximately half of patients experienced mild tooth sensitivity after undergoing home whitening treatment during a four-week study published in the August Journal of the American Dental Association. M.G. Jorgensen, University of Southern California School of Dentistry, et al., found 10% of subjects experienced moderate sensitivity and 4% reported "severe" sensitivity. The condition decreased with time; by week two, no severe sensitivity was reported. Trial involved 100 adults randomized to either a dentifrice gel containing 15% carbamide peroxide and .11% fluoride ion or placebo. Researchers say patients with gingival recession are more likely to experience tooth sensitivity...