Nagisa Matsui, Mayumi Maesako, Ahmad Alkhazaleh, Masao Irie, Akimasa Tsujimoto
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引用次数: 0
摘要
本研究的目的是测定通用型可流动树脂基复合材料的重量和体积的填料含量，并分析聚合收缩率与填料含量的相关性。按照ISO 17304标准测定了六种通用型可流动树脂基复合材料（Bulk Base Hard II Medium Flow, A-Uno Flow Basic, Clearfil Majesty ES Flow Low, Gracefill Low Flow, Omnichroma Flow, Omnichroma Flow Bulk）的填充物重量含量。用干密度计测量填料的密度，确定各可流动树脂基复合材料的填料体积含量，并根据得到的密度计算填料体积含量。分析了填料重量或体积含量、聚合收缩率与填料重量比含量、聚合收缩率与填料体积含量之间的关系。通用流动树脂基复合材料的填料含量在59.40 ~ 69.81%（重量）和40.61 ~ 54.84%（体积）之间，填料含量在重量和体积之间呈弱负相关，无统计学意义。聚合收缩率（3.15-4.48%）与填料重量或体积含量的相关性也无统计学意义。
Correlation Between Polymerization Shrinkage and Filler Content for Universal Shade Flowable Resin-Based Composites.
The purpose of this study was to measure the filler content by weight and volume of universal shade flowable resin-based composites and analyze the correlation between polymerization shrinkage and filler content. The filler content by weight of six universal shade flowalble resin-based composites (Bulk Base Hard II Medium Flow, A-Uno Flow Basic, Clearfil Majesty ES Flow Low, Gracefill Low Flow, Omnichroma Flow, Omnichroma Flow Bulk) was measured in accordance with ISO 17304. The filler content by volume of each flowable resin-based composite was determined by measuring the density of the filler using a dry density meter, and the filler content by volume of the composite was calculated from the densities obtained. The correlations between filler content by weight or volume, polymerization shrinkage and filler content by weight ratio, and polymerization shrinkage and filler content by volume were analyzed. The filler content of the universal flowable resin-based composites ranged from 59.40 to 69.81% (by weight) and from 40.61 to 54.84% (by volume), and the correlations between the values for filler content of the composites by weight and volume were weakly negative and not statistically significant. The correlations between polymerization shrinkage (3.15-4.48%) and filler content by weight or volume were also not statistically significant.
期刊介绍：
Journal of Functional Biomaterials (JFB, ISSN 2079-4983) is an international and interdisciplinary scientific journal that publishes regular research papers (articles), reviews and short communications about applications of materials for biomedical use. JFB covers subjects from chemistry, pharmacy, biology, physics over to engineering. The journal focuses on the preparation, performance and use of functional biomaterials in biomedical devices and their behaviour in physiological environments. Our aim is to encourage scientists to publish their results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Several topical special issues will be published. Scope: adhesion, adsorption, biocompatibility, biohybrid materials, bio-inert materials, biomaterials, biomedical devices, biomimetic materials, bone repair, cardiovascular devices, ceramics, composite materials, dental implants, dental materials, drug delivery systems, functional biopolymers, glasses, hyper branched polymers, molecularly imprinted polymers (MIPs), nanomedicine, nanoparticles, nanotechnology, natural materials, self-assembly smart materials, stimuli responsive materials, surface modification, tissue devices, tissue engineering, tissue-derived materials, urological devices.
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