Journal of pharmacy & bioallied sciences · 2025
Effect of Spray and Immersion Disinfection on Dimensional Accuracy of Alginate and Elastomeric Impression Material.
СтатьяНазвание и аннотация: Перевод в очереди
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Srinivasalu Deepasri Vemgal, Budhwar Preeti, Sinha Rashmi, Sravanthi G, Priya C V Padma, Kushwaha Shail D, Kumar A Kishore
Аннотация
OBJECTIVES: This study evaluated the dimensional accuracy of alginate and elastomeric impression materials after spray and immersion disinfection and assessed the impact of storage duration on their stability.
MATERIALS AND METHODS: Impressions were made using alginate, condensation silicone, and addition silicone and disinfected using spray (Bacilol 25, Surfasept SA) and immersion (1% sodium hypochlorite and 2% glutaraldehyde). Impressions were stored for 1, 3, and 5 hours before pouring. Dimensional changes in stone casts were measured using a three-dimensional coordinate measuring machine (CMM) and analyzed using factorial ANOVA.
RESULTS: Alginate impressions showed significant distortion with immersion disinfection, especially after 5 hours of storage (30.06 mm mean length). Spray disinfection provided better dimensional stability across all materials. Addition silicone exhibited minimal changes, making it more suitable for delayed pouring.
CONCLUSION: Immersion disinfection caused greater distortion in alginate, while spray disinfection better preserved accuracy. Immediate pouring is recommended for alginate, while addition silicone remains stable for delayed use. Future research should assess spray disinfection's microbiological efficacy.
MATERIALS AND METHODS: Impressions were made using alginate, condensation silicone, and addition silicone and disinfected using spray (Bacilol 25, Surfasept SA) and immersion (1% sodium hypochlorite and 2% glutaraldehyde). Impressions were stored for 1, 3, and 5 hours before pouring. Dimensional changes in stone casts were measured using a three-dimensional coordinate measuring machine (CMM) and analyzed using factorial ANOVA.
RESULTS: Alginate impressions showed significant distortion with immersion disinfection, especially after 5 hours of storage (30.06 mm mean length). Spray disinfection provided better dimensional stability across all materials. Addition silicone exhibited minimal changes, making it more suitable for delayed pouring.
CONCLUSION: Immersion disinfection caused greater distortion in alginate, while spray disinfection better preserved accuracy. Immediate pouring is recommended for alginate, while addition silicone remains stable for delayed use. Future research should assess spray disinfection's microbiological efficacy.