Influence of delayed pouring on irreversible hydrocolloid properties

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Influence of delayed pouring on irreversible hydrocolloid properties.

The aim of this study was to evaluate the physical properties of irreversible hydrocolloid materials poured immediately and after different storage periods. Four alginates were tested: Color Change (Cavex); Hydrogum (Zhermack); Hydrogum 5 (Zhermack); and Hydro Print Premium (Coltene). Their physical properties, including the recovery from deformation (n = 3), compressive strength (n = 3), and d...

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Effect of Pouring Time and Storage Temperature on Dimensional Stability of Casts Made from Irreversible Hydrocolloid

OBJECTIVE The aim of this study was to evaluate the dimensional stability of casts made from an alginate impression material poured immediately and stored after specific periods. MATERIALS AND METHODS The common alginate used in Iran (Super; Iralgin, Golchai Co., Tehran, Iran) was tested. A master model was mounted on a special device and used to obtain the impressions. These impressions were...

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effect of pouring time and storage temperature on dimensional stability of casts made from irreversible hydrocolloid

objective: the aim of this study was to evaluate the dimensional stability of casts made from an alginate impression material poured immediately and stored after specific periods. materials and methods: the common alginate used in iran (super; iralgin, golchai co., tehran, iran) was tested. a master model was mounted on a special device and used to obtain the impressions. these impressions were...

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Effects of Water/Powder Ratio of Irreversible Hydrocolloid on Dimensional Stability of Impressions

Background and Aim: Water/powder ratio is effective on some properties of irreversible hydrocolloid impression materials. This study aimed to determine the ef-fects of water/powder ratio of irreversible hydrocolloid impression materials on di-mensional stability of impressions. Materials and Methods: In this in vitro experimental study, a metal model with two abutments as anchoring support for...

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Evaluation of properties of irreversible hydrocolloid impression materials mixed with disinfectant liquids

BACKGROUND Addition of disinfectant to irreversible hydrocolloid impression materials can eliminate the disinfection step to avoid dimensional changes associated with it. The aim of the present study was to evaluate the effect of various disinfectant mixing liquids on the properties of commercially available irreversible hydrocolloid impression materials. MATERIALS AND METHODS Four commercial...

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ژورنال

عنوان ژورنال: Brazilian Oral Research

سال: 2012

ISSN: 1806-8324

DOI: 10.1590/s1806-83242012000500005