Clinical study of postoperative sensitivity for new self-adhesive resin cement

Objectives: Self-adhesive resin cements have gained popularity over the past few years because of their improved physical properties compared with conventional cements. The aim of this clinical study was to evaluate the postoperative sensitivity of abutment teeth restored with full-coverage restorations retained with new self-adhesive resin cement. Further changes in cement colour and the marginal seal as well as the clinical handling should be observed. Methods: Nineteen patients received 60 full-coverage restorations on 43 vital and 17 successfully endodontic treated abutment teeth. The crowns were cemented with an new self-adhesive resin cement (Multilink® Sprint, Ivoclar Vivadent). The teeth were inspected immediately after cementation, after 2 weeks, after 6 months and then annually. The subjective and objective clinical parameters were checked. Tooth vitality was examined with an ice spray test. Results: With regard to postcementation sensitivity, a low incidence was observed. With the new self-adhesive resin cement, little postoperative hypersensitivity was diagnosed after cementation (7 %) and after 2 weeks (4,7 %). Postoperative hypersensitivity was not reported after 6 months. Endodontic treatment was carried out for one abutment tooth after 12 months. Cement colour and marginal seal did not change. Decementation was not observed up to 18 months. Conclusion: The results of postoperative sensitivity were similar with the results of conventional cements. Double-push syringe system makes the clinical handling of this self-adhesive resin cement safe and easy. The clinical handling is simpler than normal adhesive resin cements and similar with conventional cements.