Effect of new light curing units on microleakage and microhardness of resin sealants.

abstract：:We investigated the adsorption of lipoteichoic acid (LTA) on titanium surfaces by using the quartz crystal microbalance (QCM) method, and confirmed the influence of mucin (MUC) pre-adsorption on LTA adsorption. Two injection methods were evaluated. Namely, Method A: single-step injection of LTA solution to the Ti sens...

journal_title：Dental materials journal

authors： Yoshida E,Hayakawa T

更新日期：2020-12-03 00:00:00

abstract：:The depths of calcium-ion incorporation into a commercially pure titanium and an experimental beta-type titanium alloy were determined using Auger electron spectroscopy. After the electrochemical deposition of apatite, new compositional gradients appeared in the profiles in which the Ca and P concentrations gradually ...

journal_title：Dental materials journal

authors： Ban S,Kamiya A,Sonoda T

更新日期：2002-12-01 00:00:00

abstract：:The present study investigated the influences of a denture strengthener on the deformation of a maxillary complete denture. Three groups of maxillary complete dentures were fabricated (Group 1 without a strengthener; Group 2 with a Co-Cr alloy wire strengthener; Group 3 with an experimental fiberglass strengthener). T...

journal_title：Dental materials journal

authors： Hirajima Y,Takahashi H,Minakuchi S

更新日期：2009-07-01 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：: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

abstract：:The purpose of this study was to characterize the surface damages of zirconia by Nd:YAG dental laser irradiation through a systematic evaluation of the associated microstructural changes. Disk specimens of yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) and ceria-stabilized zirconia/alumina nanocomposite (C...

journal_title：Dental materials journal

authors： Noda M,Okuda Y,Tsuruki J,Minesaki Y,Takenouchi Y,Ban S

更新日期：2010-10-01 00:00:00

abstract：:The aim of this review is to evaluate the long-term effectiveness of calcium silicate-based cement (CS) and calcium hydroxide (CH) for direct pulp capping (DPC) to human pulp-exposed permanent teeth. An electronic search and manual search were performed on 21 June 2019. Long-term clinical and radiographic evaluations ...

journal_title：Dental materials journal

authors： Matsuura T,Ziauddin SM,Kawata-Matsuura VKS,Sugimoto K,Yamada S,Yoshimura A

更新日期：2020-10-01 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 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 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：:This study aimed to determine the influence of sodium hypochlorite (NaOCl) contamination on the microhardness of build-up composites. Fifty-two samples, from each of three build-up materials (LuxaCore Dual, MultiCore flow and Rebilda DC) were prepared. Half of the samples from each material were stored in physiologic ...

journal_title：Dental materials journal

authors： Wegehaupt FJ,Betschart J,Attin T

更新日期：2010-08-01 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：:The effect of acidic fluoride solution on NiTi arch wires was examined by testing crystal structure, tensile strength, morphology after fracture, and element release from wire under four different test solutions after 1 or 3 d immersion. Three-day immersion in a 0.2%/pH 4 solution did not form any new crystal structur...

journal_title：Dental materials journal

authors： Kwon YH,Cheon YD,Seol HJ,Lee JH,Kim HI

更新日期：2004-12-01 00:00:00

abstract：:The efficacy of four commercial and two experimental dentin bonding systems was examined by observing the cavity adaptation of commercial light-cured resin composites restored in the dogs scheduled to be sacrificed after a medical experiment. Before being sacrificed, a cylindrical class V cavity was prepared in each c...

journal_title：Dental materials journal

authors： Tani C,Itoh K,Ohba M,Tada K,Manabe A,Hisamitsu H,Wakumoto S

更新日期：1998-09-01 00:00:00

abstract：:The microstructure and homogeneity of three commercial dentin and incisal unfired porcelain frits (one conventional and two ultra-low fusing types, fused-to metal were analyzed by X-ray diffractometry, scanning electron microspectroscopy, and wavelength- and energy dispersive X-ray microspectroscopy. The average conte...

journal_title：Dental materials journal

authors： Ban S,Matsuo K,Mizutani N,Iwase H,Kani T,Hasegawa J

更新日期：1998-12-01 00:00:00

abstract：:Supercritical water was used as a modification method of electrochemically deposited apatite on pure titanium. The apatites were coated on a commercially pure titanium plate using a hydrothermal-electrochemical method. A constant direct current at 12.5 mA/cm2 was loaded for 1 hr at 25, 60, 100, 150 and 200 degrees C i...

journal_title：Dental materials journal

authors： Ban S,Hasegawa J

更新日期：2001-12-01 00:00:00

abstract：: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 exists that the alpha-case is difficult to remove during cutting, grinding and po...

journal_title：Dental materials journal

authors： Koike M,Jacobson D,Chan KS,Okabe T

更新日期：2009-09-01 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：:Adhesion promoting monomers for precious metals, 2,3-epithiopropyl methacrylate (EP1MA), 4,5-epithiopentyl methacrylate (EP3MA), 9,10-epithiodecyl methacrylate (EP8MA), 10,11-epithioundecyl methacrylate (EP9MA), 9,10-epithiodecyl 4-vinylbenzoate (EP8VB), 2,3-epithiocyclohexyl methacrylate (EPCHMA), and 3,4-epithiobuty...

journal_title：Dental materials journal

authors： Kadoma Y,Kojima K,Tamaki Y,Nomura Y

更新日期：2007-01-01 00:00:00

abstract：:Improved osseointegration of dental implants is imperative in clinic. Effect of doxycycline on promoting bone formation after implant placement was expected due to its inhibitory properties on inflammation and osteoclastogenesis. To evaluate new bone formation on the hydroxyapatite (HA)-coated implant surface, which w...

journal_title：Dental materials journal

authors： Ding L,Zhang P,Wang X,Hao J,Aoki K,Kuroda S,Kasugai S

更新日期：2018-01-30 00:00:00

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：:Bioactive-glass (B-G) is a material known for its favorable biological response when in contact with surrounding fibro-osseous tissues, due not only to an osteoconductive property, but also to an osteostimulatory capacity, and superior biocompatibility for use in human body. The objectives of this paper are to review ...

journal_title：Dental materials journal

authors： Profeta AC,Prucher GM

更新日期：2015-01-01 00:00:00

abstract：:Gold alloys with Cu contents of 10 mass%, 20%, and 30% were used for morphological observation of porous surface structures after heating at 800 degrees C in air followed by pickling with acid solution. With increasing Cu content in the gold alloy, the internal oxidation zone became well-developed in the alloy matrix....

journal_title：Dental materials journal

authors： Ohno H,Endo K,Haneda K,Tamura M,Hikita K

更新日期：2005-12-01 00:00:00

abstract：:This study investigated the efficacies of adhesive resin cements (Clearfil SA Luting, Maxcem, G-CEM, RelyX Unicem Clicker, Vitremer Paste) for bonding to Ag-Pd-Cu-Au alloy not surface-pretreated with metal primer. For control, Panavia F 2.0 -developed for use with a proprietary metal primer, Alloy Primer- was tested w...

journal_title：Dental materials journal

authors： Muraguchi K,Minami H,Minesaki Y,Suzuki S,Tanaka T

更新日期：2011-01-01 00:00:00

abstract：:The aim of this study was to investigate in how far the way the specimen is fixed to the testing device influences the micro-tensile bond strength of adhesives to dentin. Compared to a flat jig, a notched jig enables the specimen to be aligned easier and more accurately perpendicular to the interface, thereby concentr...

journal_title：Dental materials journal

authors： Poitevin A,De Munck J,Van Landuyt K,Coutinho E,Peumans M,Lambrechts P,Van Meerbeek B

更新日期：2007-09-01 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：:The aim of this study was to evaluate the cytotoxicity of contemporary flowable and paste-like bulk-fill dental composites by using a real-time cell analysis. In the present paper, cytotoxicity levels of five flowable, five paste-like bulk-fill composite materials and one conventional flowable, one conventional paste-...

journal_title：Dental materials journal

authors： Demirel G,Gür G,Demirsoy FF,Altuntaş EG,Yener-Ilce B,Kiliçarslan MA

更新日期：2020-01-31 00:00:00

abstract：:The possibility of the segregation under solidification process using a centrifugal casting machine was investigated using an electron probe microanalyzer with elemental distribution map, line analysis and quantitative analysis. When a very small quantity of platinum was added to local molten titanium during the casti...

journal_title：Dental materials journal

authors： Watanabe K,Okawa S,Kanatani M,Nakano S,Miyakawa O,Kobayashi M

更新日期：1996-12-01 00:00:00

abstract：:Seven types of amide monomers, methacryloyl tyrosine amide (MTYA), p-methacryloxybenzamide (p-MBA), p-methacryloxybutoxybenzamide (p-MBBA), o-methacryloxybutoxybenzamide (o-MBBA), p-methacryloxybutoxy phenylpropionamide (p-MBPPA), 3,5-dimethacryloxybenzamide (3,5-DMBA), and 3,5-di (methacryloxybutoxy)benzamide (3,5-DM...

journal_title：Dental materials journal

authors： Hayakawa T,Horie K

更新日期：1991-12-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate the effects of different preparation angles on the precision of fit of zirconia crown frameworks. Dies were fabricated with three different preparation angles: 4, 8, and 12 degrees total taper. Ten copings were fabricated for each angle by a laboratory and a milling-cente...

journal_title：Dental materials journal

authors： Beuer F,Edelhoff D,Gernet W,Naumann M

更新日期：2008-11-01 00:00:00