Correlation in the mechanical properties of acrylic denture base resins.

abstract：:Application of a light-cured porcelain margin is a technique which has been developed recently. In this study, we compared the porcelain margin properties of the porcelain-light-cured resin matrix system and the traditional porcelain-water system, in terms of volumetric shrinkage, density, compressive strength, surfac...

journal_title：Dental materials journal

authors： Lu YS,Yang HW

更新日期：1995-06-01 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：:The purpose of this study was to evaluate the effect of different polymerization cycles on the flexural strengths and microhardness of two denture base materials (Meliodent and Paladent). Heat-polymerized acrylic resin specimens (65.0 mm long×10.0 mm wide×2.5 mm in height) were prepared using different short and long ...

journal_title：Dental materials journal

authors： Gungor H,Gundogdu M,Alkurt M,Yesil Duymus Z

更新日期：2017-03-31 00:00:00

abstract：:The physical properties of experimental visible light-activated resins containing dyestuff, which could be quickly discolored by irradiation was, evaluated by analyzing light absorbance characteristics and measuring micro Vickers hardness. The experimental resin, which was prepared by mixing equivalent weights of Bis ...

journal_title：Dental materials journal

authors： Nakazato J,Itoh K,Wakumoto S

更新日期：1989-12-01 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 evaluated the biomineralization and dentinal tubules occlusion abilities of the carboxyl-terminated polyamidoamine dendrimer (PAMAM-COOH) on human demineralized dentin in vivo at different time points. Demineralization dentin model with and without treated with PAMAM-COOH were sutured to the interior side o...

journal_title：Dental materials journal

authors： Xie F,Wei X,Li Q,Zhou T

更新日期：2016-01-01 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：: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：: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：: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 effects of monomer structure on the mechanical properties of visible light-cured composite resins based on the seven types of aromatic dimethacrylates were investigated. The results of this study suggested that the mechanical properties of the composite resins were dependent upon the chemical structure of the dime...

journal_title：Dental materials journal

authors： Kawaguchi M,Fukushima T,Horibe T

更新日期：1989-06-01 00:00:00

abstract：:The purpose of this study was to evaluate the effects of dentin attrition, phosphoric acid etching, and cyclic loading on the microtensile bond strength (microTBS) of a self-etching adhesive system to dentin. Flat dentin surfaces of human molars were assigned to eight experimental groups based on those with or without...

journal_title：Dental materials journal

authors： Shinkai K,Ebihara T,Shirono M,Seki H,Wakaki S,Suzuki M,Suzuki S,Katoh Y

更新日期：2009-03-01 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：: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：:The purpose of this study was to evaluate the effects of acid-etched titanium on the biological responses of osteoblast-like MC3T3-E1 cells. Four types of treatments (polishing, sandblasting, concentrated H2SO4 etching, and concentrated H2SO4 etching with vacuum firing) were carried out on the surfaces of commercially...

journal_title：Dental materials journal

authors： Iwaya Y,Machigashira M,Kanbara K,Miyamoto M,Noguchi K,Izumi Y,Ban S

更新日期：2008-05-01 00:00:00

abstract：:In this study, effects of the degree of dissociation of acids on the hydrolysis rate of methoxy group in γ-methacryloxypropyltrimethoxysilane (γ-MPS) and the adsorption characteristics of γ-MPS on ceramic surfaces were studied using acetic, phosphoric, and hydrochloric acids. Hydrolytic stability of γ-MPS adsorption l...

journal_title：Dental materials journal

authors： Aoki N,Kimoto S,Tanimura H,Nishiyama N,Aida M

更新日期：2014-01-01 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：:To evaluate the cytotoxicity of resin cements on dental pulp-derived cells (bDPCs), Bifix QM (BQM), Choice 2(C2), RelyX U200(RU200), Maxcem Elite(ME), and Multilink Automix(MA) were tested. The materials were incubated in DMEM for 72 h. A real-time cell analyzer was used to evaluate cell survival. The statistical anal...

journal_title：Dental materials journal

authors： Arslan Malkoç M,Demir N,Şengün A,Bozkurt ŞB,Hakki SS

更新日期：2015-01-01 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：: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：:To improve the bioactivity of titanium surfaces, glow discharge was used to facilitate collagen grafting on titanium disks. Titanium test specimens were pre-treated by glow discharge fed with a mixture of argon and allylamine (AA) gases. Treated titanium disks were then grafted with type I collagen using glutaraldehyd...

journal_title：Dental materials journal

authors： Chang WJ,Ou KL,Lee SY,Chen JY,Abiko Y,Lin CT,Huang HM

更新日期：2008-05-01 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：: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 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 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 purpose of this study was to devise and propose appropriate conditions for the photographing of thermal images in the oral cavity and to evaluate which thermography techniques can be applied to dentistry by evaluating the differences in temperature among oral tissues. Thermal images of oral cavities of 20 voluntee...

journal_title：Dental materials journal

authors： Komoriyama M,Nomoto R,Tanaka R,Hosoya N,Gomi K,Iino F,Yashima A,Takayama Y,Tsuruta M,Tokiwa H,Kawasaki K,Arai T,Hosoi T,Hirashita A,Hirano S

更新日期：2003-12-01 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 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：:This study assessed the effect of the resin-coating technique on the bond strength and internal adaptation of computer-aided design/computer-aided manufacturing (CAD/CAM)-fabricated inlays. Seventy-two mesio-occlusal-distal (MOD) cavities were prepared and distributed into 3 groups according to the resin-coating techn...

journal_title：Dental materials journal

authors： Rozan S,Takahashi R,Nikaido T,Tichy A,Tagami J

更新日期：2020-12-03 00:00:00

abstract：:The effect of etching for 90 s with low concentrations (0.5, 1.0, 2.0, 3.0, 3.5, and 4.0%) of hydrofluoric acid (HF) on the adhesiveness of computer-aided design/computer-aided manufacturing (CAD/CAM) resin blocks [CERASMART (CS), SHOFU BLOCK HC (HC), KATANA AVENCIA Block(KA), and VITA ENAMIC (EN)] was investigated. E...

journal_title：Dental materials journal

authors： Niizuma Y,Kobayashi M,Toyama T,Manabe A

更新日期：2020-12-03 00:00:00