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Effects of Disinfectants on the Dimensional Stability of New-generation Monophasic Impression Materials
(2020) Atala, Mustafa Hayati; Çetin, Hülya; Yegin, Elif; Degirmenci, Kubra
Aim: In this study, we aimed to compare the effects of different disinfectants on the dimensional stability of four different monophasic vinyl polysiloxane (VPS) dental impression materials. Materials and Methods: The four materials were used to simulate the master model impression and divided into four groups: Group E: Elite HD; Group H: Hydrorise; Group C: Compress mono; Group V: Variotime. Three study subgroups were planned for each material: the control, spray disinfection, and solution disinfection groups (n=10). Reference points of the specimens were measured every day during 7 days. One-way analysis of variance (ANOVA) and the Tukey HSD test were used for statistical analysis. Results: Although no statistically significant difference was found between the length values of the materials after both 3 and 7 days (p>0.05), the highest dimensional change was observed in Group E and the lowest dimensional change in Group H, for all subgroups and all time intervals. Discussion and Conclusion: Linear dimensional changes were seen in all groups, but the changes were clinically acceptable and within the ADA specification standards. Although no statistically significant difference was found between the impression materials, the highest dimensional stability was observed in Group H.