ArticleBMC oral health2021
The accuracy of gypsum casts obtained from the disinfected extended-pour alginate impressions through prolonged storage times.
Article in BMC oral health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Effect of bentonite-activated carbon fillers addition to type II dental gypsum on its compressive strength, wettability, setting time, and setting expansion.BMC oral health · 2026Article
- Impact of crown and inlay size variations on the accuracy of various digital impression techniques.Scientific reports · 2025Article
- The influence of the superimposition procedure and type of intraoral impression on the superimposition accuracy of CBCT scans with dental impressions in implant planning: an in-vitro study.International journal of implant dentistry · 2025Article
- Comparison of the accuracy of conventional impression technique and an intraoral scanning system after crown preparation in canine teeth of dogs: a cadaver study.Frontiers in veterinary science · 2025Article
- Comparison of dental surface of canine teeth in dogs after crown preparation using CBCT-based surface reconstruction or conventional dental impression materials.Frontiers in veterinary science · 2025Article
- Comparative Analysis of Alginate Dimensional Stability with Varied Pouring Intervals.Journal of pharmacy & bioallied sciences · 2024Article
- A Promising Potential of Brown AlgaeMarine drugs · 2022Article
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7 authors.
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Abstract
backgroundManufacturers of the extended-pour alginates claimed their dimensional stability through prolonged storage. No data confirmed the ability of these materials to maintain their dimensions and the reproduced oral details following their chemical disinfection. Therefore, this study evaluated the dimensional stability and surface detail reproduction of gypsum casts obtained from disinfected extended-pour alginate impressions through different storage time intervals.
methodsTwo hundred and forty three hydrocolloid impressions were made from one conventional (Tropicalgin) and two extended-pour (Hydrogum 5 and Chromaprint premium) alginates. These impressions were subjected to none, spray and immersion disinfection before their storage in 100% humidity for 0, 72 and 120 h. The dimensional stability and the surface detail reproduction were indirectly evaluated under low angle illumination on the resulted gypsum casts. At α = 0.05, the parametric dimensional stability data were analyzed using One-Way ANOVA and Tukey's comparisons, while the nonparametric detail reproduction data were analyzed using KrusKal Wallis and Mann-Whitney's tests.
resultsAll gypsum casts exhibited a degree of expansion; however, the recorded expansion values did not differ between test categories (P > 0.05). Generally, casts obtained from spray-disinfected impressions showed lower detail accuracy (P < 0.05). Immersion-disinfected extended-pour alginates produced casts with better detail accuracy following 120 h of storage (P < 0.05).
conclusionAll alginates materials offer comparable cast dimensions under different testing circumstances. Extended-pour alginates offer casts with superior surface details following their immersion disinfection and 120 h of storage. Spray-disinfection using 5.25% sodium hypochlorite affects the surface details of casts obtained from conventional and extended-pour alginates adversely.
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