This randomized, single-blind, placebo-controlled clinical trial aims to clinically evaluate the effect of an experimental gel containing copaiba oleo-resin in the control of dentin hypersensitivity (DH) in non-carious cervical lesions (NCCL). Seventy-five hypersensitive teeth will be selected into three groups (N=25) and approved in three treatment sessions. The groups will be: GROUP P= water-soluble placebo gel without active ingredient; GROUP KF2: Potassium nitrate 5% + Sodium fluoride 2%; GROUP GC: Gel containing copaiba oleo-resin. A visual analogue scale (VAS) will be used to compare the DH after tactile stimulation with an exploratory probe and evaporative stimulation with air jets. The DH assessments will be performed at four times: baseline, after 1 week, 15 days and 30 days after the beginning of treatment.
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sensitivity assessment
Timeframe: 30 days