abstract：:In this study, two types of porous zirconia and dense zirconia were used. The flexural strength of non-layered zirconia specimens and those of the layered zirconia specimens with veneering porcelain were examined. Furthermore, the shear bond strength of veneering porcelain to zirconia was examined. The flexural streng...

journal_title：Dental materials journal

authors： Nakamura T,Sugano T,Usami H,Wakabayashi K,Ohnishi H,Sekino T,Yatani H

更新日期：2014-01-01 00:00:00

abstract：:The purpose of this study was to evaluate, in vitro, the antimicrobial effect of iRoot BP, iRoot BP Plus, and mineral trioxide aggregate (MTA) against Entercoccus faecalis and Candida albicans by using direct contact test. The materials were tested immediately after application to the microtiter wells and after settin...

journal_title：Dental materials journal

authors： Damlar I,Ozcan E,Yula E,Yalcin M,Celik S

更新日期：2014-01-01 00:00:00

abstract：:Miniplates have been used during the last decade to facilitate stability between bony fragments in the maxillofacial region and are currently the preferred surgical method for the fixation of fractures and osteotomies. The aim of this study was to evaluate and compare the biomechanical behaviors of six different types...

journal_title：Dental materials journal

authors： Ergun S,Ofluoğlu D,Saruhanoğlu A,Karataşli B,Deniz E,Özel S,Tanyeri H

更新日期：2014-01-01 00:00:00

abstract：:The influence of a thin carbonate-containing hydroxyapatite (CA) coating to tetragonal zirconia polycrystal (TZP) on osteoblastlike cell response was investigated. TZP disks were subjected to blasting and acid etching. Thin CA coatings were deposited by the molecular precursor method (TZP-CA). Initial cell adhesion of...

journal_title：Dental materials journal

authors： Kaneko H,Sasaki H,Honma S,Hayakawa T,Sato M,Yajima Y,Yoshinari M

更新日期：2014-01-01 00:00:00

abstract：:This study evaluated the polymerization shrinkage, flexural and compressive properties of low-shrinkage resin composites. For the study, four methacrylate-based and one silorane-based resin composites were light cured using three different light-curing units (LCUs) and their polymerization shrinkage, flexural (strengt...

journal_title：Dental materials journal

authors： Park JK,Lee GH,Kim JH,Park MG,Ko CC,Kim HI,Kwon YH

更新日期：2014-01-01 00:00:00

abstract：:This study investigated the contrast ratio and grain size depending on sintering parameters of twelve different zirconia materials and compared with glass-ceramic (N=156, n=12 per group). Contrast ratio of all ceramics was measured using a spectrophotometer according to ISO 2471: 2008. Grain sizes of zirconia were det...

journal_title：Dental materials journal

authors： Stawarczyk B,Emslander A,Roos M,Sener B,Noack F,Keul C

更新日期：2014-01-01 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：:We evaluated whether the pre-treatment of radicular dentin by ED Primer containing different concentrations of chlorhexidine can improve the bond durability of fiber post to radicular dentin. Experimental ED primers containing different concentrations of chlorhexidine (0%, 0.5% and 1.0%) were prepared. Thirty extracte...

journal_title：Dental materials journal

authors： Zhou J,Yang X,Chen L,Liu X,Ma L,Tan J

更新日期：2013-01-01 00:00:00

abstract：:This study sought to evaluate the effects of different staining solutions on the colour stability of nanocomposites compared with microhybrid resin and to evaluate the degree of conversion of these two materials. Two different shades of two different composites were cured in polytetraflouroethylene disk rings. Coffee,...

journal_title：Dental materials journal

authors： Al Kheraif AA,Qasim SS,Ramakrishnaiah R,Ihtesham ur Rehman

更新日期：2013-01-01 00:00:00

abstract：:The objective of the study was to compare 1) the mean micro-shear bond strength and 2) failure mode of cements to metals in nonenclosed and mold-enclosed specimens. Specimens were prepared in mold-enclosed and non-enclosed formats from two RMGIC's and a self-adhesive resin-cement. 3-way ANOVA analysis and Tukey post h...

journal_title：Dental materials journal

authors： Cheetham JJ,Palamara JE,Tyas MJ,Burrow MF

更新日期：2013-01-01 00:00:00

abstract：:This in vitro study aimed to investigate the effects of glass-ionomer and flowable composite liners on the fracture resistance of Class II amalgam and composite restorations. Group 1 cavities were restored with amalgam and Group 4 cavities with nanofill composite after the application of a dentin-bonding agent. For th...

journal_title：Dental materials journal

authors： Güray Efes B,Yaman BC,Gümüştaş B,Tıryakı M

更新日期：2013-01-01 00:00:00

abstract：:The aim of the present study was to examine whether interconnected porous hydroxyapatite ceramics (IP-CHA) could be used as bone substitute for implant treatment in reconstructive surgery. We firstly assessed if surround of the titanium surface placed into granular or block-type IP-CHA can observe new bone formation i...

journal_title：Dental materials journal

authors： Minami M,Takechi M,Ohta K,Ohta A,Ninomiya Y,Takamoto M,Fukui A,Tada M,Kamata N

更新日期：2013-01-01 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：:The aim of this study was to investigate the relationship between the different mechanical properties with the filler fraction of various resin composites. Mechanical properties of eighteen different resin composites were investigated in this study; flexural strength (FS), flexural modulus (FM), fracture toughness (FT...

journal_title：Dental materials journal

authors： Jun SK,Kim DA,Goo HJ,Lee HH

更新日期：2013-01-01 00:00:00

abstract：:The objective of this study was to clarify the effect of surface topography on osteoblast-like cell behavior on yttria stabilized tetragonal zirconia polycrystals (TZP). Mirror-polished; blasted with 50- or 150-µm alumina (SB50 and SB150); and SB150 acid-etched with hydrofluoric acid (SB150E) were prepared on TZP. Ini...

journal_title：Dental materials journal

authors： Ito H,Sasaki H,Saito K,Honma S,Yajima Y,Yoshinari M

更新日期：2013-01-01 00:00:00

abstract：:The purpose of this study was to clarify the effect of silver nanoparticles on the behavior of subcritical crack growth (SCG) in dental porcelains. Prior to occurrence of fast fracture in dental porcelains, SCG occurs and leads to strength degradation over time. SCG in dental porcelains can be characterized by the str...

journal_title：Dental materials journal

authors： Fujieda T,Uno M,Ishigami H,Kurachi M,Kamemizu H,Wakamatsu N,Doi Y

更新日期：2013-01-01 00:00:00

abstract：:This study tested whether exhaled humid conditions would affect the adhesion of etch-and-rinse, two-step and one-step self-etch adhesive resins to enamel. Enamel surfaces of human maxillary anterior teeth (N=240, n=20) were exposed to four humid conditions (H1: 63-68%, H2: 73-78%, H3: 93-98%, H4: 36-45% RH) during bon...

journal_title：Dental materials journal

authors： Bavbek AB,Demir E,Goktas B,Ozcopur B,Behram B,Eskitascioglu G,Ozcan M

更新日期：2013-01-01 00:00:00

abstract：:Oral bacteria adhered to dental material surfaces are known to cause various oral diseases. This study aimed to develop a highsensitive and non-radioisotopic fluorescence dye method for quantification of oral bacteria (Streptococcus, Actinomyces and Veillonella) adhered to denture material surfaces. The amount of adhe...

journal_title：Dental materials journal

authors： Sakuma Y,Washio J,Sasaki K,Takahashi N

更新日期：2013-01-01 00:00:00

abstract：:This study investigated hydrogen peroxide (H2O2) concentration of two home bleaching gels, in their dispensing syringes and their degradation in vivo in intraoral bleaching trays. Two bleaching gels were studied, 7.5% hydrogen peroxide (HP) and 20% carbamide peroxide (CP). The concentration of H2O2 was determined in d...

journal_title：Dental materials journal

authors： Alonso De La Peña V,Rodriguez Carreira A,Corral Aneiros R,López Ratón M,Guitián Rivera F

更新日期：2013-01-01 00:00:00

abstract：:Resin coating materials have been used for composite resin or provisional restoration in order to prevent plaque accumulation on their surfaces. However, it is not clear whether the coating materials influence attachment of periodontal bacteria. Therefore, we investigated the effect of resin coating materials on the a...

journal_title：Dental materials journal

authors： Kumada A,Matsuka Y,Mine A,Ono M,Uehara J,Sonoi N,Ito T,Takashiba S,Kuboki T

更新日期：2012-02-03 00:00:00

abstract：:The aim of the present study was to measure various mechanical properties of acrylic denture base resins, including flexural modulus, flexural strength, fracture toughness, Barcol and Vickers hardness and their related properties, and to investigate correlations between different mechanical properties. Resin specimens...

journal_title：Dental materials journal

authors： Lee HH,Lee CJ,Asaoka K

更新日期：2012-02-03 00:00:00

abstract：:This study examined the effect of air abrasion and thermocycling on the adaptation and shear bond strength, of composite resin bonded to dentin using etch-and-rinse and self-etch resin adhesives. Confocal microscopy showed both adhesives closely adapted to dentin and a significantly (p<0.001) greater number of resin t...

journal_title：Dental materials journal

authors： Freeman R,Varanasi S,Meyers IA,Symons AL

更新日期：2012-01-01 00:00:00

abstract：:The aim was to investigate the effect of simulated low-temperature degradation (s-LTD) and hydrothermal fatigue on the degradation of three ZrO(2)-based dental materials. Lava, IPS, and NanoZr discs were randomly assigned to (1) Control-Storage in distilled water at 37°C; (2) Aging at 134°C for 5 h (s-LTD); (3) Thermo...

journal_title：Dental materials journal

authors： Perdigão J,Pinto AM,Monteiro RC,Braz Fernandes FM,Laranjeira P,Veiga JP

更新日期：2012-01-01 00:00:00

abstract：:This study evaluated the sealing ability and push-out bond strength of two luting cements cured with two different types of light curing units (LCU): light-emitting diode (LED) versus quartz tungsten halogen (QTH). Forty teeth were divided into four groups(n=10/group). Quartz fiber posts (D. T. Light-Post) were luted ...

journal_title：Dental materials journal

authors： Beriat NC,Ertan AA,Yilmaz Z,Gulay G,Sahin C

更新日期：2012-01-01 00:00:00

abstract：:The aim of this study was to examine the lifespan or number of cycles to failure of tapered rotary nickel-titanium (Ni-Ti) endodontic instruments. Simulated root canals with different curvatures were used to determine a relation between canal curvature and instrument lifespan. Using a novel mathematical model for the ...

journal_title：Dental materials journal

authors： Stojanac I,Drobac M,Petrovic L,Atanackovic T

更新日期：2012-01-01 00:00:00

abstract：:Initial attachment of human oral keratinocytes (HOKs) cultured on mirror-surfaced commercially pure titanium (Ti) or yttria-stabilized tetragonal zirconia polycrystals (TZP) was investigated. Numbers of viable attached HOKs, their mRNAs and proteins expression of laminin γ2 and integrin β4 were evaluated using the WST...

journal_title：Dental materials journal

authors： Kimura Y,Matsuzaka K,Yoshinari M,Inoue T

更新日期：2012-01-01 00:00:00

abstract：:This study determined the discoloration of five CAD/CAM resins, four manually polymerized resins, and glass-ceramic as control group. Specimens were divided into three groups (N=300, n=30) to be stored in coffee, black tea and red wine (n=10). The discoloration was measured using a spectrophotometer after 1, 7, 29, 90...

journal_title：Dental materials journal

authors： Stawarczyk B,Sener B,Trottmann A,Roos M,Ozcan M,Hämmerle CH

更新日期：2012-01-01 00:00:00

abstract：:This study investigated the effect of a coating material containing S-PRG fillers on the demineralization of bovine enamel and dentin, by measuring changes in the transmitted ultrasonic velocity. Bovine enamel and dentin specimens with and without coating (n=6 for each condition) were cut into blocks, immersed in 0.1 ...

journal_title：Dental materials journal

authors： Murayama R,Furuichi T,Yokokawa M,Takahashi F,Kawamoto R,Takamizawa T,Kurokawa H,Miyazaki M

更新日期：2012-01-01 00:00:00

abstract：:The aim of this study was to evaluate the bond strength of three adhesive systems: Excite™, Adper Prompt L-Pop™ and AdheSE One™ to varying degrees of fluorotic enamel using micro-tensile bond strength (μTBS) tests. Human enamel was classified according to the Thylstrup and Fejerskov Index. The interface resin-enamel w...

journal_title：Dental materials journal

authors： Torres-Gallegos I,A Martinez-Castañon G,Loyola-Rodriguez JP,Patiño-Marin N,Encinas A,Ruiz F,Anusavice K

更新日期：2012-01-01 00:00:00

abstract：:In tissue engineering, biodegradable polymer materials with both high biocompatibility and high strength are very important as scaffolds for long term use. Therefore, in this research, we tried to prepare the three types of poly(L-lactic acid) (PLLA)/calcium phosphate (CP) hybrid composite for a scaffold biomaterial. ...

journal_title：Dental materials journal

authors： Hamada Y,Fujitani W,Kawaguchi N,Daito K,Niido T,Uchinaka A,Mori S,Kojima Y,Manabe M,Nishida K,Arita K,Nakano T,Matsuura N

更新日期：2012-01-01 00:00:00

abstract：:This study aimed to investigate the in vitro biological response of human dental pulp cells to glass ionomer cement (GIC, Fuji IX GP(®)) containing 2.5% magnesium carbonate apatite (MgCO(3)Ap). MgCO(3)Ap was synthesized by wet method and characterized using FT-IR, XPS, and SEM. Fuji IX GP(®) served as a control. Test ...

journal_title：Dental materials journal

authors： Laiteerapong A,Lochaiwatana Y,Hirata I,Okazaki M,Mori K,Murakami S,Poolthong S

更新日期：2012-01-01 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：: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：:This study examined the antimicrobial/antifungal ability of a tissue conditioner containing a photocatalyst for Escherichia coli, Streptococcus mutans, Staphylococcus aureus and Candida albicans. The photocatalyst was mixed with tissue conditioners powders at concentrations of 0, 10, 15, and 20 wt%. Tissue conditioner...

journal_title：Dental materials journal

authors： Uchimaru M,Sakai T,Moroi R,Shiota S,Shibata Y,Deguchi M,Sakai H,Yamashita Y,Terada Y

更新日期：2011-01-01 00:00:00

abstract：:To recognize good mechanical properties and water-resistance of a dental resin, dimethacryloxyethyl-1,1,6,6-tetrahydro-perfluoro-hexamethylene-1,6-dicarbamate (FDMHD) was newly synthesized. FDMHD initially was a white powder with m.p. 98.5-99.5°C. The copolymers of FDMHD and methyl methacrylate (MMA), FDMHD/MMA copoly...

journal_title：Dental materials journal

authors： Kurata S,Yamazaki N

更新日期：2011-01-01 00:00:00

abstract：:The aim of this study was to estimate the flexural properties of three kinds of experimental fiber-reinforced composite (FRC) posts and to evaluate their potential use as posts. Experimental FRC posts were fabricated with glass, aramid, and UHMWP fibers. Commercial FRC posts were used for comparison. A three-point ben...

journal_title：Dental materials journal

authors： Kim MJ,Jung WC,Oh S,Hattori M,Yoshinari M,Kawada E,Oda Y,Bae JM

更新日期：2011-01-01 00:00:00

abstract：:The aim was to characterize by atomic force microscopy (AFM) the nanostructure of human dentin surfaces affected by dental fluorosis (DF) before and after phosphoric acid etching. This study included 240 human dentin samples classified according to the severity of DF, which were divided into four groups using the Thyl...

journal_title：Dental materials journal

authors： Zavala-Alonso V,Aguilera-Flores R,Patiño-Marin N,Martinez-Castañon GA,Anusavice KJ,Loyola-Rodriguez JP

更新日期：2011-01-01 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：:We aimed to establish an experimental animal model to evaluate materials for endodontic therapy. We focused on the biocompatibility of new paste-type zinc oxide-eugenol (ZOE) sealer. The results of this sealer were compared with those of conventional powder/liquid ZOE and eugenol-free sealers. The molars of Wistar rat...

journal_title：Dental materials journal

authors： Mutoh N,Tani-Ishii N

更新日期：2011-01-01 00:00:00

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