Effects of degree of dissociation of acid used on hydrolytic durability of ceramic primer.

abstract：:The purpose of present investigation was to compare the cyto-genotoxicity induced by five dental alloys in vitro. The cyto-genotoxicity induced by five dental alloy extracts on human B lymphoblast cells was assessed with neutral red uptake (NRU) , CCK-8, comet and micronucleus (CBMN) assays in vitro, respectively. The...

journal_title：Dental materials journal

authors： Zhihong C,Yezhen L,Zhiyuan G,Zhongqiao Y,Xiaoxue L,Yifeng R,Weikun F,Jiliang H

更新日期：2011-01-01 00:00:00

abstract：:This study investigated the effects of spherical silica fillers on the physical and mechanical properties of resin-modified glass-ionomer cement (RMGIC). Specimens were fabricated by mixing untreated (UF) or silanized (SF) spherical silica filler into the powder of a commercially prepared RMGIC. The original RMGIC and...

journal_title：Dental materials journal

authors： Tjandrawinata R,Irie M,Yoshida Y,Suzuki K

更新日期：2004-06-01 00:00:00

abstract：:The aim of this study was to investigate the bond durability of heat-polymerized denture base resin to cast CP Ti and Co-Cr alloy. The alloy specimens were divided into five groups: 1) airborne-particle abraded with 50 µm alumina (SAND), 2) Rocatec tribochemical silica coating system (RO), 3) air-abraded followed by a...

journal_title：Dental materials journal

authors： Kawaguchi T,Shimizu H,Lassila LV,Vallittu PK,Takahashi Y

更新日期：2011-01-01 00:00:00

abstract：:An experimental conditioner (Exp), which was an aqueous solution of 10% ascorbic acid and 5% ferric chloride, was prepared in this study. This study evaluated the effect of Exp on the microtensile bond strength between a self-curing resin and dentin after long-term water immersion. Flat human dentin surfaces were sequ...

journal_title：Dental materials journal

authors： Soeno K,Taira Y,Ito S

更新日期：2012-01-01 00:00:00

abstract：:The objective of this work was to determine the antimicrobial and antibiofilm properties of mineral trioxide aggregate (MTA) supplemented with bismuth lipophilic nanoparticles (BisBAL NPs). The antimicrobial activity of the composite MTA-BisBAL NPs was determined by the disk diffusion assay, while antibiofilm activity...

journal_title：Dental materials journal

authors： Hernandez-Delgadillo R,Del Angel-Mosqueda C,Solís-Soto JM,Munguia-Moreno S,Pineda-Aguilar N,Sánchez-Nájera RI,Chellam S,Cabral-Romero C

更新日期：2017-07-26 00:00:00

abstract：:The purpose of this study was to determine the optimal condition for fabricating accurate crowns efficiently using an internet-based CAD/CAM system. The influences of three different CAD/CAM restorative materials (titanium, porcelain, and composite resin) and three different step-over scanning distances (0.01 mm, 0.11...

journal_title：Dental materials journal

authors： Tomita S,Shin-ya A,Gomi H,Shin-ya A,Yokoyama D

更新日期：2007-07-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of the location and orientation of dentinal tubules in the tooth on tensile strengths of the dentin. Dumbbell-shaped specimens of 12 groups from various locations and dentinal tubule orientations were prepared. The tensile test was performed in distilled water a...

journal_title：Dental materials journal

authors： Inoue T,Takahashi H,Nishimura F

更新日期：2002-03-01 00:00:00

abstract：:This study was carried out to investigate the influences of elastic moduli of the dowel-core combination on the stress distribution in the root by the use of 2-dimensional finite element analysis. The peak stress at the dowel-cement interface was influenced strongly by a change of elastic modulus of the post (from 20,...

journal_title：Dental materials journal

authors： Ukon S,Moroi H,Okimoto K,Fujita M,Ishikawa M,Terada Y,Satoh H

更新日期：2000-03-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate the pH value of intact and carious dentin in primary teeth using a pH-imaging microscope (SCHEM-100, HORIBA Ltd., Kyoto, Japan). Bucco-lingual cut sections of extracted human primary teeth, which had either mild or severe dentinal caries lesions, were placed on the pH-ima...

journal_title：Dental materials journal

authors： Nikaido T,Moriya K,Hiraishi N,Ikeda M,Kitasako Y,Foxton RM,Tagami J

更新日期：2004-12-01 00:00:00

abstract：:This study evaluated and compared the influence of different supporting abutment models on the fracture loads of three-unit fixed dental prostheses (FDPs) fabricated from the following materials (n=24/material): (i) IPS e.max CAD-on, (ii) IPS e.max ZirCAD, and (iii) Telio CAD. Twelve FDPs of each group were adhesively...

journal_title：Dental materials journal

authors： Wimmer T,Erdelt KJ,Eichberger M,Roos M,Edelhoff D,Stawarczyk B

更新日期：2014-01-01 00:00:00

abstract：:This study aimed to introduce a procedure for determining the bilinear elastic moduli (E1 and E2) of the periodontal ligament for a mathematical tooth model to analyse stress in the mandible. The bone and tooth morphology were scanned from a dry skull and an extracted intact tooth, respectively, and reconstructed in a...

journal_title：Dental materials journal

authors： Borák L,Florian Z,Bartáková S,Prachár P,Murakami N,Ona M,Igarashi Y,Wakabayashi N

更新日期：2011-01-01 00:00:00

abstract：:Major histocompatibility complex (MHC) class II molecule-expressing cells and macrophages play a pivotal role in mediating the host tissue response to biomaterials. This study investigated the responses of these cells to epoxy resin-based and 4-META-containing, methacrylate resin-based endodontic sealers (AH Plus and ...

journal_title：Dental materials journal

authors： Yamanaka Y,Shigetani Y,Yoshiba K,Kaneko T,Yoshiba N,Okiji T

更新日期：2013-01-01 00:00:00

abstract：:Adhesion promoting monomers for dental metals, 5-(4-vinylbenzyl)-2-thiobarbituric acid (5VS), 6- (4-vinylbenzyl-n-propyl) amino-1,3,5-triazine-2,4-dithione (VBATDT) and 9,10-epithiodecyl methacrylate (EP8MA), were synthesized and surface treatment agents were prepared by dissolving each monomer in ethanol or acetone. ...

journal_title：Dental materials journal

authors： Kadoma Y

更新日期：2003-09-01 00:00:00

abstract：:The human antimicrobial peptide beta-defensin-2 (hBD2) shows broad antibacterial activity and infrequent bacterial resistance. Here mesoporous bioactive glass (MBG) was loaded with hBD2, forming hBD2-loaded MBG (BD-MBG). The antibacterial and osteogenic effects of BD-MBG were investigated in comparison with MBG and th...

journal_title：Dental materials journal

authors： Ren L,Zhang Z,Deng C,Zhang N,Li D

更新日期：2020-12-24 00:00:00

abstract：:In this study, different glasses were investigated to improve reusable investments. Borosilicate glass (BSG) powder and soda-lime glass (SLG) powder were prepared by milling broken beakers and microscope slides, respectively, and used in experimental investments (I-BSG, I-SLG) by blending glass powder (10 wt%) with cr...

journal_title：Dental materials journal

authors： Yagi S,Zhang Z,Aida Y,Hotta Y,Tamaki Y,Miyazaki T

更新日期：2011-01-01 00:00:00

abstract：:To evaluate the effect of a dentin adhesive on sclerotic dentin, contraction gap width and shear bond strength were measured. Dentin cavity wall was pretreated with an experimental dentin bonding system with and without a dentin primer, or with a commercial dentin bonding system. In the experimental dentin bonding gro...

journal_title：Dental materials journal

authors： Kusunoki M,Itoh K,Takahashi Y,Hisamitsu H

更新日期：2006-09-01 00:00:00

abstract：:The mechanical properties of resin-modified "hybrid" glass-ionomers, for both restorative and liner/base applications, were assessed by a flexural test and compared with those of conventional acid-base glass-ionomers. Flexural strength, flexural modulus, and the modulus of resilience were determined 30 minutes after m...

journal_title：Dental materials journal

authors： Momoi Y,Hirosaki K,Kohno A,McCabe JF

更新日期：1995-12-01 00:00:00

abstract：:Enamel demineralization is one of the most undesired side effects of fixed orthodontic treatment, which will lead to white spot lesions (WSLs) on tooth surfaces. The development of WSLs is due to prolonged accumulation of bacterial plaque and associated acid production. Self-etching adhesives have been used in orthodo...

journal_title：Dental materials journal

authors： Wang X,Zhang N,Wang B,Park SR,Weir MD,Xu HHK,Bai Y

更新日期：2018-07-29 00:00:00

abstract：:The objective of this study is to develop a casting investment that prevents the blackening of the cast surface of noble metal alloys. The experimental investments were prepared using a gypsum-bonded investment in which the metallic powders such as boron (B), silicon (Si), aluminum (Al) and titanium (Ti) were added as...

journal_title：Dental materials journal

authors： Kakuta K,Nakai A,Goto S,Wakamatsu Y,Yara A,Miyagawa Y,Ogura H

更新日期：2003-03-01 00:00:00

abstract：:The purpose of this study was to investigate the effect of remaining dentin thickness (RDT) and long term water storage on dentin bond strength in-vitro. Twenty-seven third molars were randomly divided into 3 groups: Clearfil Bond SE ONE (SE1, Kuraray Noritake Dental, Okayama, Japan), G-Bond plus (GB, GC, Tokyo, Japan...

journal_title：Dental materials journal

authors： Ting S,Chowdhury AFMA,Sun J,Kakuda S,Sidhu SK,Yoshida Y,Selimovic D,Sano H

更新日期：2018-07-29 00:00:00

abstract：:Ag-Pd-Cu-Au alloy was subjected to a Thermo-Mechanical Analyzer to investigate high temperature properties up to its liquidus temperature. Microstructural examination and elemental analysis with EPMA were also conducted in the solid/liquid mixture region. The following conclusions were obtained. (1) The solidus temper...

journal_title：Dental materials journal

authors： Nagasawa S,Yoshida T,Mizoguchi T,Terashima N,Ito M,Platt JA,Oshida Y

更新日期：2003-09-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of osteogenic differentiation of bone marrow stromal stem cells (BMSCs) on bone formation in a novel interconnected porous calcium hydroxyapatite (IP-CHA). BMSCs/IP-CHA composites, as a cell-hybrid artificial bone, were made by injecting BMSCs solution into IP-CHA s...

journal_title：Dental materials journal

authors： Doi K,Kubo T,Hayashi K,Imura K,Akagawa Y

更新日期：2007-03-01 00:00:00

abstract：:This study examined the ability of a photocatalyst mixed in a denture base resin to decompose organic substances which adhered to the denture base resin surface. The photocatalyst was mixed with denture base resin at concentrations of 0, 5, 10, and 15% (w/w). Decomposition test, bending test, and surface roughness mea...

journal_title：Dental materials journal

authors： Cheng Y,Sakai T,Moroi R,Nakagawa M,Sakai H,Ogata T,Terada Y

更新日期：2008-03-01 00:00:00

abstract：:We examined the mold filling capacity and microhardness of two industrial 1% Fe titanium alloys: Super-TIX800 (Nippon Steel Corp.) (Fe: 0.910%, O: 0.370%, N: 0.005%) and Super-TIX800N (Nippon Steel Corp.) (Fe: 0.960%, O: 0.300%, N: 0.041%). Two wedge-shaped acrylic patterns (with 30 degrees or 15 degrees angles) were ...

journal_title：Dental materials journal

authors： Sato H,Komatsu M,Miller B,Shimizu H,Fujii H,Okabe T

更新日期：2004-06-01 00:00:00

abstract：:The bonding efficacy of sclerotic dentin was determined by measuring the polymerization contraction gap width of a commercial light-activated resin composite in a cervical defect and by measuring the micro-Vicker's hardness at the dentin adhesive surface; morphological characteristics were observed using a scanning el...

journal_title：Dental materials journal

authors： Tani C,Itoh K,Hisamitsu H,Wakumoto S

更新日期：2001-12-01 00:00:00

abstract：:The aim of this study was to evaluate the pH at the surface of active or arrested carious dentin using a micro pH sensor, and to compare the relationship between different pH measurement techniques. Twenty extracted carious teeth were divided into two groups, active or arrested caries, according to predefined clinical...

journal_title：Dental materials journal

authors： Murakami K,Kitasako Y,Burrow MF,Tagami J

更新日期：2006-09-01 00:00:00

abstract：:The in vitro dentin permeability of the constituents of two types of conventional phosphoric acid etching agents which had different viscosities, and their pH changes after being permeated dentin were investigated. It was recognized that, even though the etching was for a short time (one minute) followed by rinsing, t...

journal_title：Dental materials journal

authors： Ishikawa K,Ito S,Hata Y

更新日期：1989-12-01 00:00:00

abstract：:This study assessed the impact of surface treatments and repair resin reinforcement with zirconium oxide nano-particles (nano-ZrO2) on flexural strength (FS) of repaired denture base. A total of 320 heat-polymerized acrylic resin specimens were prepared and sectioned creating 2-mm gap. According to repair surface trea...

journal_title：Dental materials journal

authors： Gad MM,Rahoma A,Abualsaud R,Al-Thobity AM,Akhtar S,Helal MA,Al-Harbi FA

更新日期：2020-06-05 00:00:00

abstract：:The aim of this investigation was to compare the cleaning and shaping efficiency of Self-adjusting file and Protaper, and to assess the correlation between root canal curvature and working time in mandibular molars using micro-computed tomography. Twenty extracted mandibular molars instrumented with Protaper and Self-...

journal_title：Dental materials journal

authors： Serefoglu B,Piskin B

更新日期：2017-09-26 00:00:00

abstract：:This study evaluated the effect of different adhesive protocols on the shear bond strength (SBS) of bulk-fill resin composite repaired with bulk-fill or conventional composite. Cylindrical bulk-fill resin composite specimens were prepared and allocated into groups according to the bonding strategy: no treatment, Silan...

journal_title：Dental materials journal

authors： Cuevas-Suárez CE,Nakanishi L,Isolan CP,Ribeiro JS,Moreira AG,Piva E

更新日期：2020-03-31 00:00:00