A double-blind clinical trial was performed on 76 patients with dentine hypersensitivity. For four weeks the patients used either a toothpaste containing nicomethanol hydrofluoride or one containing potassium nitrate and sodium monofluorophosphate. After one, two and four weeks the pain responses of the teeth to three types of stimuli were assessed. In normal conditions of oral hygiene, the nicomethanol hydrofluoride toothpaste was found at least as effective as the potassium nitrate/sodium monofluorophosphate preparation.
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