Abstract:

Objective The purpose of this study was to compare the clinical application and effect of two temporary restorations materials : composite and self-cured acrylic resin.Methods 153 composite temporary crowns (and bridges) placed in 44 patients and 144 self-cured acrylic resin temporary crowns (and bridges) placed in 49 patients were evaluated according to the California Dental Association′s (CDA) criteria and questionnaire.Results It showed that composite temporary crowns (and bridges) had better surface smoothness, marginal integrity and anatomic form than self-cured acrylic resin temporary crowns (and bridges). In the 49 patients with self-cured acrylic resin temporary crowns (and bridges), 67% and 88% of them complained of food impaction and mouth odor, while only 2% and 30% in the 44 patients with composite temporary crowns (and bridges) had the same complaint.Conclusion Between the two temporary restoration materials, composite is better than self-cured acrylic resin.

Key words: temporary crown, composite, acrylic resin