Effects of potassium and sodium fluoride in different concentrations on micro-shear bond strength and inhibition of demineralization.

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：:The aim of this study was to evaluate the trial Teaching Robot for the development of a contact-type measuring apparatus for using directly in the oral cavity. A standard model was used to mimic the dentition by placing an arrangement of three bearing balls. The diameters of the balls were measured. A practical dentit...

journal_title：Dental materials journal

authors： Maikuma Y,Usui K,Araki K,Mataki S,Kurosaki N,Furuya N

更新日期：2003-06-01 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：: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：: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：:High-power light-curing units have emerged that reduce the time of procedures in dental clinical work. However, patients sometimes complain of pain during the polymerization of composite resin. In this experiment, we investigated how differences in light-curing mode affect the temperature rise during composite resin p...

journal_title：Dental materials journal

authors： Hori M,Fujimoto K,Asakura M,Nagase Y,Mieki A,Kawai T

更新日期：2019-07-31 00:00:00

abstract：:This paper reviews the development of dental adhesives by collating information of related studies from original scientific papers, reviews, and patent literatures. Through our development, novel radical polymerization initiators, adhesive monomers, and microcapsules were synthesized, and their effects on adhesion wer...

journal_title：Dental materials journal

authors： Ikemura K,Endo T

更新日期：2010-03-01 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 a new enzyme solution (SFC-V) for dentin caries removal, and obtained results were compared with Carisolv. Both solutions were used with a prototype plastic instrument - this being a modified technique for Carisolv. Five carious deciduous teeth were sectioned, and both treatments were applied alte...

journal_title：Dental materials journal

authors： Clementino-Luedemann TN,Dabanoglu A,Ilie N,Hickel R,Kunzelmann KH

更新日期：2006-12-01 00:00:00

abstract：:The purpose of the present study was to analyze effective factors including periodontal ligament on vertical root fractures (VRFs). Eighty maxillary central incisors were assigned to eight groups, depending on master apical file (MAF) size, loading point and existence of a simulated periodontal ligament (PDL). The gut...

journal_title：Dental materials journal

authors： Okitsu M,Takahashi H,Yoshioka T,Iwasaki N,Suda H

更新日期：2005-03-01 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：:The mechanical properties of polycarboxylate cements containing 20 mass% of four kinds of aluminoborate whiskers with different fiber lengths and diameters were evaluated. Bending strength of the cements increased with increase in fiber length, whereby the strength of the cement with the longest fiber was about two ti...

journal_title：Dental materials journal

authors： Kurata S,Umemoto K

更新日期：2008-07-01 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：: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：:Present study evaluated effects of addition of Nanoparticles fluorapatite (Nano-FA) on microhardness and fluoride release of a Glass Ionomer Cement (GIC, Fuji IX GP Fast). Forty-eight specimens prepared, divided equally into 4 groups (2 with Nano-FA); after 24 h and one week Vickers microhardness (HV) was measured. Na...

journal_title：Dental materials journal

authors： Moshaverinia M,Borzabadi-Farahani A,Sameni A,Moshaverinia A,Ansari S

更新日期：2016-01-01 00:00:00

abstract：:To elucidate the mechanism of dimensional changes in alginate impression in solutions, the relationship between the ion concentrations in three types of solutions (nonelectrolyte and monovalent and divalent metallic salts) and change in gel volume was examined. The gel in the monovalent metallic salt solution expanded...

journal_title：Dental materials journal

authors： Saitoh S,Araki Y,Kon R,Katsura H,Taira M

更新日期：2000-12-01 00:00:00

abstract：:Sixteen alloys and five pure metals were used and the open circuit potentials (OCP) and the coupled potentials with titanium were measured in five kinds of solutions. All alloys and metals showed the maximum OCP in 1.3% lactic acid solution, and the minimum in 0.01% sodium sulfide solution. The coupled potential depen...

journal_title：Dental materials journal

authors： Nakayama M,Ando N

更新日期：2001-03-01 00:00:00

abstract：:The aim of this investigation was to evaluate the metal-ceramic bonding of Au-1.6 wt% Ti alloy. Therefore, the coefficient of thermal expansion, modulus of elasticity, ceramic bonding strength, and hardness of Au-1.6 wt% Ti alloy were measured. The metal-ceramic interface was observed by EPMA to investigate its bondin...

journal_title：Dental materials journal

authors： Ito M,Kikuchi M,Okuno O,Kimura K

更新日期：2005-06-01 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：:Atmospheric-pressure cold plasma was applied to process the surface of heat-polymerized acrylic resin. Changes to the physical properties and early adherence of Candida albicans were investigated. Alternating current cold plasma with Ar/O2 as working gas was used. Scanning electron microscopy (SEM) and X-ray photoelec...

journal_title：Dental materials journal

authors： Pan H,Wang G,Pan J,Ye G,Sun K,Zhang J,Wang J

更新日期：2015-01-01 00:00:00

abstract：:The relation between the bonding efficacy of the dentin adhesive and the physical change of the dentin after treatment with various dentin cleansers was investigated. The dentin surface was cleaned with one of the seven experimental dentin cleansers, 5, 10, 20, 30 and 40% of the phosphoric acid, neutralized 0.5 M EDTA...

journal_title：Dental materials journal

authors： Chiba M,Itoh K,Wakumoto S

更新日期：1989-06-01 00:00:00

abstract：:To clarify the mechanical properties of fiber-reinforced hybrid resin bridges, this study evaluated the influence of various bonding agents ((Modeling Liquid (ML), DE Resin (DE), Bell Bond (BE), Mega Bond (MG), Durafil Bond (DU), Fluoro Bond (FB), Mac-Bond (MC), EG Bond (EG), Unifill Bond (UN), Single Bond (SN)) impre...

journal_title：Dental materials journal

authors： Tsushima S,Gomi H,Shinya A,Yokoyama D,Vallittu PK,Shinya A

更新日期：2008-09-01 00:00:00

abstract：:The aim of this study was to investigate the diffusion of red-stained experimental GM primer and blue-stained dentin bonding agent into EDTA-conditioned dentin and the effect of GM priming on contraction gap formation. After GM priming at 0, 35, 70, or 100 vol%, marginal adaptation was evaluated by measuring the wall-...

journal_title：Dental materials journal

authors： Nasu Y,Itoh K,Tani C,Hisamitsu H

更新日期：2010-10-01 00:00:00

abstract：:This study evaluated the effect of adding silane coupling agent on initial and long-term bond strengths of one-step self-etch adhesives to enamel-dentin-composite in combined situation. Cervical cavities were prepared on extracted molars and filled with Clearfil AP-X. After water-storage for one-week, the filled teeth...

journal_title：Dental materials journal

authors： Mamanee T,Takahashi M,Nakajima M,Foxton RM,Tagami J

更新日期：2015-01-01 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：:Temperature dependencies of thermal expansion coefficients for the alloys of Pd-Ag, Pd-Cu and Pd-Co binary systems were measured at temperatures up to 900 degrees C, with heating and cooling rates of 5 degrees C/min. The coefficient of thermal expansion of alloys with no transformation in the temperature range of inte...

journal_title：Dental materials journal

authors： Asaoka K,Kuwayama N

更新日期：1990-06-01 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：: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：: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：:This study evaluated the influence of heat treatment (HT) of the silane on the microtensile bond strength of resin cement to a feldspathic ceramic. Ceramic (VITA VM7) and composite blocks (N=32) were divided into four groups (n=6 for bond test, n=2 for SEM) at random and subject to following sequence of conditioning: ...

journal_title：Dental materials journal

authors： de Carvalho RF,Martins ME,de Queiroz JR,Leite FP,Ozcan M

更新日期：2011-01-01 00:00:00