The long‐term effectiveness of five current desensitizing products on cervical dentine sensitivity

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Abstract
summary  The aim of this study was to compare the long‐term effectiveness of five desensitizing products on 25 male and 27 female patients (total 52) aged 21–67 years (mean 36 ± 7 years) suffering from cervical dentine sensitivity. All subjects were seen by the same examiner (ID) who was blinded to the applied treatment for 3‐month clinical study. Patients were asked to record their overall sensitivity by marking a point on a 10 cm Visual Analogue Scale (VAS). Two hundred and seventy‐seven sensitive teeth were treated by one of the five desensitizing products, all of which were placed following manufacturers’ instructions by the other investigator (AS). A paired (split mouth) study design was used and selection of quadrants was randomized. At the post‐treatment and at 10 days and 3 months periods, sensitivity measurements were recorded by the same investigator (ID). Statistical analysis showed that all of the VAS scores at post‐treatment evaluation points were significantly decreased compared with baseline data (P < 0·05). There was a significant reduction in mean sensitivity scores in the Protect Liner F and the Health‐Dent Desensitizer groups when compared with Fluoline varnish at the 10‐day time point (P < 0·05). At 3 months, the Protect Liner F group continued to show a significantly reduced sensitivity level when compared with Health‐Dent Desensitizer, Single Bond, Fluoline and Gluma Desensitizer (P < 0·05). The present study demonstrated that although at the end of 3‐month evaluation period all desensitizers showed lower VAS sensitivity values compared with baseline, there were differences in the level of reduction of cervical dentine sensitivity.

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