Effects of added mannitol on the setting reaction and mechanical strength of apatite cement [0.03%]
甘露糖醇对羟基磷灰石水泥凝固反应及力学性能的影响
Ryoji Shimogoryo,Toru Eguro,Eiichiro Kimura et al.
Ryoji Shimogoryo et al.
Apatite cement containing porogen can be a useful material for the fabrication of biporous (macro- and microporous) apatite, which has gained much attention as a bone substitute material because of its large surface area and that it improve...
One-year clinical evaluation of direct nanofilled and indirect composite restorations in posterior teeth [0.03%]
后牙纳米填料直接和间接复合树脂修复材料的1年临床评价
Ali Riza Cetin,Nimet Unlu
Ali Riza Cetin
The aim of this study was to assess the clinical performance of three direct composite resins and two indirect inlay systems in posterior teeth using the modified USPHS criteria. A total of 100 restorations were placed in the molars of 54 p...
Clinical Trial
Dental materials journal. 2009 Sep;28(5):620-6. DOI:10.4012/dmj.28.620 2009
Effect of mold temperature on the mechanical durability of titanium casting clasp model [0.03%]
砂模温度对钛基托辅板铸件力学性能的影响研究
Kenichi Iiyama,Hisashi Doi,Takao Hanawa
Kenichi Iiyama
Titanium is widely used in dental applications. This study investigated the effects of casting conditions on the mechanical characteristics of cast titanium, with a special focus on mold temperature. As such, the mechanical characteristics ...
Comparative Study
Dental materials journal. 2009 Sep;28(5):610-9. DOI:10.4012/dmj.28.610 2009
Effect of reinforcement with resin composite on fracture strength of structurally compromised roots [0.03%]
树脂复合体增强对结构缺陷根部的断裂强度的影响
Yuji Fukui,Wataru Komada,Keiichi Yoshida et al.
Yuji Fukui et al.
This study was aimed at evaluating the fracture resistance of structurally compromised roots restored with four different post and core systems. Thirty-two bovine roots were uniformly shaped to simulate human mandibular premolar roots. The ...
Comparative Study
Dental materials journal. 2009 Sep;28(5):602-9. DOI:10.4012/dmj.28.602 2009
Immunohistochemical analysis of osteoconductivity of beta-tricalcium phosphate and carbonate apatite applied in femoral and parietal bone defects in rats [0.03%]
β-三钙磷灰石和碳酸羟基磷灰石种植体诱导的骨形成免疫组化分析
Hiroshi Takeuchi,Motohiko Nagayama,Yoshinori Imaizumi et al.
Hiroshi Takeuchi et al.
The feature of osteoconductivity, and expression of inductive BMP and transcription factors (Runx2 and Osterix) for osteoblast differentiation, which was related to conductive bone formation, were observed in experimentally created defects ...
Comparative Study
Dental materials journal. 2009 Sep;28(5):595-601. DOI:10.4012/dmj.28.595 2009
Marie Koike,David Jacobson,Kwai S Chan et al.
Marie Koike et al.
The hardened alpha-case (alpha-case) layer inevitably forms on the surface of titanium castings when prepared by investment casting. Because the hardness of the alpha-case is incomparable to that of the interior structure, the perception ex...
Comparative Study
Dental materials journal. 2009 Sep;28(5):587-94. DOI:10.4012/dmj.28.587 2009
Kenichi Tajima,Toru Nikaido,Go Inoue et al.
Kenichi Tajima et al.
The aim of this study was to evaluate the effects of coating root dentin surfaces with adhesives vis-à-vis the prevention of root dentin demineralization. Root dentin surface was ground with #600 SiC, and then either a single coat of Clear...
Comparative Study
Dental materials journal. 2009 Sep;28(5):578-86. DOI:10.4012/dmj.28.578 2009
Large-area electron beam irradiation for surface polishing of cast titanium [0.03%]
铸钛件表面抛光用大尺寸电子束照射技术研究
Junko Tokunaga,Tetsuya Kojima,Soichiro Kinuta et al.
Junko Tokunaga et al.
Cast titanium is a known hard-to-polish material, and its final polishing step is a perpetual challenge. The best way to tackle this challenge lies in automatic and non-mechanical polishing methods. Against this background, the suitability ...
Effect of fiber-premixed indirect resin composite substructure on fracture resistance of MOD composite inlays adhered with two different adhesive resin cements [0.03%]
纤维预混间接树脂复合体基底对MOD复合嵌体粘接两种不同树脂粘接剂的抗断裂性能的影响
Hiroyuki Minami,Shiro Suzuki,Sadaaki Murahara et al.
Hiroyuki Minami et al.
This study evaluated the effect of a fiber-premixed indirect resin composite (FMC) substructure on the fracture resistance of mesialocclusal-distal (MOD) indirect composite restorations adhered to extracted human upper premolars. The teeth ...
Comparative Study
Dental materials journal. 2009 Sep;28(5):565-70. DOI:10.4012/dmj.28.565 2009
Kunio Ikemura,Kensuke Ichizawa,Takeshi Endo
Kunio Ikemura
The effect of the pH value of single-bottle, self-etching 2-hydroxyethyl methacrylate (HEMA)-free adhesives on their shelf lives with bonding ability was investigated. Two experimental adhesives [SA-1 (pH=3.0); SA-2 (pH=2.1)] comprising 6-m...
Comparative Study
Dental materials journal. 2009 Sep;28(5):558-64. DOI:10.4012/dmj.28.558 2009