Effect of aluminoborate whiskers on mechanical properties of polycarboxylate cements.

abstract：:This study evaluated the irrigation extrusion and smear layer (SL) removal of continuous ultrasonic irrigation (CUI). Forty root canals were shaped, embedded in warm sterile saline agar colored with 1% acid red, and distributed into four groups; three groups had the final irrigation sequence of sodium hypochlorite and...

journal_title：Dental materials journal

authors： Jamleh A,Suda H,Adorno CG

更新日期：2018-01-30 00:00:00

abstract：:To elucidate the cause of brittleness of porcelain fused to pure titanium (PFPT) which leads to chipping and cracking similar to that of conventional porcelain in clinical use, fracture toughness KIc, hardness (Hv and Hk) and fracture energy gamma reflecting the bonding energy of atoms were evaluated. In KIc there wer...

journal_title：Dental materials journal

authors： Higashino Y,Yamauchi M,Goto T,Nagasawa T

更新日期：2003-12-01 00:00:00

abstract：:The objective of this study was to test the hypothesis that thermal cycling weakens the flexural strength of porcelain. Specimens of Deguceram Gold and Vita Omega 900 were tested in four groups of 30 specimens each: in the original glazed condition versus being ground with 1000-grit, 600-grit, and 100-grit silicon car...

journal_title：Dental materials journal

authors： Nakamura Y,Hojo S,Sato H

更新日期：2009-07-01 00:00:00

abstract：:The torsional fracture strength at the interface between a base plate and veneering material was evaluated for three kinds of veneered restoration: porcelain fused to zirconia (PFZ), porcelain fused to metal (PFM), and composite resin veneered metal (CRVM). The metal and zirconia base plate (30×4×0.4 mm) were prepared...

journal_title：Dental materials journal

authors： Watanabe F,Seto M,Ueda K,Ozawa M

更新日期：2018-07-29 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：: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：:The aim of our study was twofold: to immobilize an organosilicon quaternary ammonium salt (3-(trimethoxysilyl)-propyldimethyl-octadecyl ammonium chloride, Si-QAC) on the surface of pure titanium and to investigate the antimicrobial activity of Si-QAC-immobilized titanium against microbial adherence and biofilm formati...

journal_title：Dental materials journal

authors： Nikawa H,Ishida K,Hamada T,Satoda T,Murayama T,Takemoto T,Tamamoto M,Tajima H,Shimoe S,Fujimoto H,Makihira S

更新日期：2005-12-01 00:00:00

abstract：:Comparative studies on two-body sliding wear resistance were performed between a hybrid composite resin and conventional light-curing composite veneering materials. This study investigated the wear resistance of hybrid composite resins compared with three composite resin veneering materials for 12%Au-Ag-Pd alloy, the ...

journal_title：Dental materials journal

authors： Suese K,Kawazoe T

更新日期：2002-09-01 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：:This study was designed to evaluate the cytotoxicity of four dentin bonding agents and the effects of an antioxidant addition. Group A: G-aenial Bond, Group B: Optibond All in One, Group C: Gluma Self Etch and Group D: Clearfil S(3) Bond were added to the medium using extract method. The cells were cultured with or wi...

journal_title：Dental materials journal

authors： Atalayin C,Armagan G,Konyalioglu S,Kemaloglu H,Tezel H,Ergucu Z,Keser A,Dagci T,Onal B

更新日期：2015-01-01 00:00:00

abstract：:The influence of temperature and relative humidity (RH) on the bond strength of orthodontic adhesives was investigated. Two self-etching/composite type, one acid-etching/composite type, and one acid-etching/PMMA type of adhesives were examined under different temperature and RH conditions. Orthodontic brackets were bo...

journal_title：Dental materials journal

authors： Rikuta A,Yoshida T,Tsubota K,Tsuchiya H,Tsujimoto A,Ota M,Miyazaki M

更新日期：2008-09-01 00:00:00

abstract：:The study evaluated changes in total enzymatic activity and degradation of demineralized dentin following the application of universal or self-etch adhesives. The universal adhesives -Scotchbond Universal (SU) and All-Bond Universal (ABU) and self-etch adhesives -Adper Easy Bond (EB) and G-aenial Bond (GB) were used f...

journal_title：Dental materials journal

authors： Ahmet BSO,Seseogullari-Dirihan R,Tezvergil-Mutluay A

更新日期：2020-12-03 00:00:00

abstract：:The purpose of this study was to determine the bonding durability when a Megabond self-etching primer is used with 4-META/MMA-TBB resin to bond metal orthodontic brackets to human premolar enamel. Three conditions of enamel were prepared: Megabond self-etching primer without saliva contamination, Megabond self-etching...

journal_title：Dental materials journal

authors： Sirirungrojying S,Hayakawa T,Saito K,Meguro D,Nemoto K,Kasai K

更新日期：2004-09-01 00:00:00

abstract：:The fluorescence and physical properties of thulium-doped zirconia were investigated. A standard grade of zirconia (TZ-3Y-E) and two translucent dental zirconia materials (Zpex and Zpex Smile) were examined. The specimens were prepared by addition of 0-1.5 wt% Tm2O3 and then sintering. When exposed to UV light, the Tm...

journal_title：Dental materials journal

authors： Nakamura T,Okamura S,Nishida H,Usami H,Nakano Y,Wakabayashi K,Sekino T,Yatani H

更新日期：2018-11-30 00:00:00

abstract：:Mechanical responses of the test specimen under bidirectional and unidirectional loading were investigated using a newly developed masticatory simulator. The simulator adopted a four-bar linkage mechanism to create both loading patterns. Scratch/occlusal contact characteristics, contact force profiles and the fracture...

journal_title：Dental materials journal

authors： Singhatanadgit W,Junkaew P,Singhatanadgid P

更新日期：2016-01-01 00:00:00

abstract：:Glass-ceramic powders with the oxide batch formulation 50wt%SiO2, 20wt%P2O5 and 30wt%CaO were prepared by the sol-gel process using tetraethoxysilane, calcium nitrate and phosphoric acid as raw materials. The obtained gels and powders were characterized by TG-DTA thermal analysis, FTIR analyses and XRD measurements. T...

journal_title：Dental materials journal

authors： Taira M,Okazaki M,Takahashi J

更新日期：1997-12-01 00:00:00

abstract：:In this study, wedge-shaped CP titanium castings and Ti-6Al-7Nb alloy castings were produced by three types of investment. The effects of the castings' thickness on surface reaction layer were investigated by measuring Vickers hardness, observing the microstructure, and analyzing the oxygen concentration. It was found...

journal_title：Dental materials journal

authors： Kikuchi H,Onouchi M,Miyanaga K,Wakashima M,Okuno O,Nishiyama M

更新日期：2004-09-01 00:00:00

abstract：:The purpose of this study was to investigate the effect of modifying aluminum oxide slips with magnesium oxide (MgO) to create a jointing material for In-Ceram Alumina. Jointed In-Ceram Alumina bars with In-Ceram Alumina slips containing 0-1.0 mass% MgO were examined by a three-point bending test. Joint-free bars were...

journal_title：Dental materials journal

authors： Odatsu T,Sawase T,Kamada K,Taira Y,Shiraishi T,Atsuta M

更新日期：2008-03-01 00:00:00

abstract：:This study investigated the anti-demineralization effects of surface pre-reacted glass-ionomer (S-PRG) filler-containing varnishes. Thirty-five bovine root specimens were divided into five treatment groups, with seven specimens each coated with 1) MI varnish (MIV), 2) F varnish (FV), 3) PRG varnish I (PV), 4) PRG varn...

journal_title：Dental materials journal

authors： Shiiya T,Kataoka A,Tomiyama K,Fujino F,Mukai Y

更新日期：2020-11-11 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：: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：: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：:The reinforcement mechanism of dentin mechanical properties by intracanal medicaments was investigated. The dumbbell-shaped specimens were prepared from a collagen sheet, demineralized dentin and organic dissolved dentin. After immersing the specimens in intracanal medicaments (eugenol and formocresol), the tensile te...

journal_title：Dental materials journal

authors： Nakano F,Takahashi H,Nishimura F

更新日期：1999-09-01 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：:A new method of all-ceramic production using alumina coping has been developed. The present study investigates the influence of secondary firing (glass infiltration firing) conditions. Samples of porcelain build-up without secondary firing were also assessed. The suitability of coping that included secondary firing wa...

journal_title：Dental materials journal

authors： Masuda T,Kakimoto K,Takahashi K,Komasa Y

更新日期：2016-01-01 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：:This study investigated the durability, especially the nonwaterdegradable qualities, of experimental light-cured composite resin containing barium-borosilicate glass filler. For this purpose, Bis-GMA, a typical component of base monomer in conventional composite resin, was replaced by Bis-GMA-F which is water-repellen...

journal_title：Dental materials journal

authors： Tanaka J,Inoue K,Masamura H,Matsumura K,Nakai H,Inoue K

更新日期：1993-06-01 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 aimed to evaluate the effect of an acidic-adjusted pH of solvent in silanization on the amount of fluoride released and mechanical properties of heat-cured acrylic resin containing a silanized fluoride-releasing filler. The experimental groups were divided into 4 groups; non-silanized, acidic-adjusted pH, n...

journal_title：Dental materials journal

authors： Nakornchai N,Arksornnukit M,Kamonkhantikul K,Takahashi H

更新日期：2016-01-01 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