释义 |
tooth bleaching
tooth bleachingUse of an oxidizing chemical to remove stain or discoloration from a tooth. Bleaching techniques vary according to the vitality of the pulp. at-home tooth bleachingThe lightening or whitening of discolored teeth, using a bleaching gel. Carbamide peroxide and hydrogen peroxide are common bleaching agents used for this purpose in concentrations ranging from 3% to 25%. Treatment must be carefully monitored to avoid overbleaching and damage to surrounding soft tissue. CAUTION!Bleaching agents must not be placed on exposed root surfaces or soft tissue. |