A study on surface reproduction of dental stone models. Detail reproduction test of dental stone and its surface smoothness.
نویسندگان
چکیده
منابع مشابه
Surface detail reproduction and dimensional accuracy of stone models: influence of disinfectant solutions and alginate impression materials.
This study compared the surface detail reproduction and dimensional accuracy of stone models obtained from molds disinfected with 2% sodium hypochlorite, 2% chlorhexidine digluconate or 0.2% peracetic acid to models produced using molds which were not disinfected, with 3 alginate materials (Cavex ColorChange, Hydrogum 5 and Jeltrate Plus). The molds were prepared over matrix containing 20-, 50-...
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Background and Aims: Gypsum products are used for several different purposes. Adaptation and success of casting restorations are dependent on dimensional accuracy, strength, and reproduction of details of dental gypsums. This study was designed to evaluate the dimensional changes and accurate details reproduction of three type IV dental gypsums. Materials and Methods: 60 samples in 3 groups of...
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Introduction: A study model is a precise three dimensional replica of patient’s dentition and plays an important role in treatment planning. Many digital multi-media applications have become available to the clinician and his or her staff to facilitate standard procedures in practice and management. The aim of this study is to evaluate reliability and validity of dental measurement made on dig...
متن کاملevaluation of the effect of a tissue conditioner on surface roughness of dental stone
statement of the problem although the primary use of tissue conditioners is to treat abused mucosa, these materials are also frequently used as functional impression materials. insufficient information is available on the effect of these materials on the surface of dental stone casts. purpose this study evaluated the effect of a tissue conditioner (acrosoft) on surface roughness of dental stone...
متن کاملEvaluation of the Various Drying Methods on Surface Hardness of Type IV Dental Stone
BACKGROUND Studies regarding the effect of various methods to increase the surface hardness of Type IV dental stone are not conclusive. Therefore, this study was carried out to evaluate the effect of air drying, micro oven drying and die hardener on surface hardness of Type IV dental stone. MATERIALS AND METHODS A standard metal die was fabricated; polyvinyl siloxane impression material was u...
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ژورنال
عنوان ژورنال: The Journal of Nihon University School of Dentistry
سال: 1988
ISSN: 1884-2984,0029-0432
DOI: 10.2334/josnusd1959.30.302