Občutljivost zob po adhezivnem plombiranju v odvisnosti of občutljivosti zoba pred plombiranjem in razloga za plombiranje = Postoperative sensitivity in adhesive composite resin restorations
Potočnik, Igor, 1965-
Background: Postoperative sensitivity (POS) is a common problem in composite resin restorations. Its mechanism is not completely understood. The aim of this study was to assess the incidence of POS ...in relation to the presence of sensitivity prior to the procedure and the reason for placement of the restoration. Materials and Methods: A total of 138 Class I-V composite resin restorations in permanent teeth were evaluated for the presence of POS 1 day (baseline), 4 weeks, 6 months and 1 year after placement. The intensity of POSwas assessed with the use of a visual analogue scale. Results: POS was present in 28 (20.3%) teeth at the baseline evaluation, 10 teeth (7.2%) remained sensitive at 4 weeks, 5 teeth (3.6%) were still sensitive at 6 months, and none was sensitive on final evaluation a year after placement of the restoration. POS was significantly more common in the group of teeth that were sensitive already prior to the procedure, but the duration and degree of sensitivity did not differ between the two groups. Conclusion: Preoperative sensitivity may reflect an altered condition of the dental pulp due to primarycaries or failure of the old restoration margin. In composite resin restorations, cavity preparation, the toxic effects of acid etching and components of the adhesive system may cause further injury to the already damaged pulp, resulting in a higher incidence of POS in teeth that were sensitive prior to the procedure.
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