Faiza Amin, Fauzia Qadir, Sidra Akram.
Impact strength of acrylic resins after storage in denture cleansers.
Pak Oral Dental J Jan ;34(4):735-8.

The aim of the study was to evaluate the impact strength of heat cure acrylic resin after immersed in distilled water and denture cleansers. Study was conducted at Dr. Ishrat-ul-ebad Khan Institute of Oral Health Sciences from January to April 2013. Seventy two (72) rectangular shaped13.0 mm in length and 4.0 mm thickness formed the study;Eighteen (18) specimens were measured at baseline (control group) of the study (0 day), 18 specimens were immersed in distilled water. Eighteen (18) specimens were placed in fittydent denture cleanser solution for 10 minutes and eighteen (18) specimens were placed in dentipur denture cleanser solution for 10 minutes. Specimens were polished, stored in distilled water for 24 hours prior to experiment.After 60 days of immersion the specimens were tested for impact strength with impact strength tester. SPSS 16 was used for statistical analysis. Charpys impact strength was significantly decreased after storage in fittydent and dentipur denture cleanser tablets (p<0.05). No statistically significant difference were observed in impact strength when stored in distilled water (p>0.05). These results suggest thatthe impact strength of denture base acrylic resin is influenced by denture cleansers used.

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