Impact of different surface treatments and repair material reinforcement on the flexural strength of repaired PMMA denture base material.

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 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 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：: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：: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：:This study evaluated the influence of an aqueous propolis-based solution (PROP) on gap formation and bond strength of posts bonded to root canal dentin using resin cements. Endodontically-treated bovine incisors received different irrigation protocols: 1) 2.5% sodium hypochlorite (NaOCl)/17% EDTA/NaOCl; 2) saline solu...

journal_title：Dental materials journal

authors： Matochek MHM,Tomaz PLS,Oliveira TS,Polassi MR,Alonso RCB,Scremin FM,Sauro S,Marcucci MC,D'Alpino PHP

更新日期：2020-06-05 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 aim of this study was to investigate the effect of three metal priming agents on the bond strength of adhesive resin cement to Silver-Zinc-Tin-Indium (Ag-Zn-Sn-In) alloy and pure Ag, Zn, Sn, and In. The specimens were air-abraded with alumina and then primed with one of three metal priming agents: V-Primer, Esteni...

journal_title：Dental materials journal

authors： Imamura N,Kawaguchi T,Shimizu H,Takahashi Y

更新日期：2018-03-30 00:00:00

abstract：:The purpose of this study was to investigate the effect of laser irradiation on the enamel surface spectroscopically. Polished bovine enamel surface was irradiated with an Er:YAG laser apparatus and chemically analyzed using X-ray photoelectron spectroscopy (XPS). XPS detected core electron peaks such as carbon (C 1s)...

journal_title：Dental materials journal

authors： Mine A,Yoshida Y,Suzuki K,Nakayama Y,Yatani H,Kuboki T

更新日期：2006-06-01 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 aim of the study was to evaluate bone regeneration using a canine model with surgically created periodontal defects filled for 12 weeks using a stratified biomaterial consisting in a biphasic calcium phosphate (BCP) covered with a crosslinking hydrogel acting as polymer membrane of silated hydroxypropyl methylcell...

journal_title：Dental materials journal

authors： Struillou X,Fruchet A,Rakic M,Badran Z,Rethore G,Sourice S,Fellah BH,LE Guehennec L,Gauthier O,Weiss P,Soueidan A

更新日期：2018-09-30 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：:Finite element analysis was performed to evaluate stress distribution in maxillary central incisors treated endodontically and restored with a post and an all-ceramic crown. Tensile stress at tooth root was analyzed using two-dimensional finite element models with different post diameters and lengths. One post length ...

journal_title：Dental materials journal

authors： Nakamura T,Ohyama T,Waki T,Kinuta S,Wakabayashi K,Mutobe Y,Takano N,Yatani H

更新日期：2006-03-01 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：:The aim of this study was to develop and evaluate an automatic pH-cycling system, which was intended for performing time-lapse analyses of dental caries. Two single-section specimens prepared from each of the five extracted human incisors were studied under a condition of 3- or 9-cycles/day for seven weeks. Increase o...

journal_title：Dental materials journal

authors： Matsuda Y,Komatsu H,Murata Y,Tanaka T,Sano H

更新日期：2006-06-01 00:00:00

abstract：:The blending effect (BE) plays an important role in esthetics of the composite resin. The objective of this study was to determine the extents to which filler size and content affect the BE. Three types of fillers (0.7, 1.0, and 1.5 µm) were mixed at weight contents of 60, 70, 75, and 80%. This study simulated clinica...

journal_title：Dental materials journal

authors： Suh YR,Ahn JS,Ju SW,Kim KM

更新日期：2017-01-31 00:00:00

abstract：:Multi-purpose bonding performance of three kinds of newly synthesized phosphonic acid monomers was investigated. Methacryloxyalkyl or acryloxyalkyl phosphonoacetates of 6-MHPA, 6-AHPA, 10-MDPA were synthesized in 42.8-51.9% yields with a light yellow viscous liquid, and identified as new compounds by 1H NMR, IR, and e...

journal_title：Dental materials journal

authors： Ikemura K,Tay FR,Nishiyama N,Pashley DH,Endo T

更新日期：2007-01-01 00:00:00

abstract：:The aim was to evaluate the effect of different zirconia discontinuous fiber fractions on radiopacity and other selected properties of glass discontinuous fiber-reinforced flowable composite (Exp-SFRC). Exp-SFRC was prepared by mixing 30 wt% of resin-matrix and 45 wt% of particulate-fillers to 25 wt% of various weight...

journal_title：Dental materials journal

authors： Garoushi S,Vallittu P,Lassila L

更新日期：2019-03-31 00:00:00

abstract：:The effect of warm air-blowing on the sealing ability of two one-bottle and one two-bottle silane-containing universal adhesives (UAs) applied to lithium disilicate ceramics (LDS) was evaluated. Tapered cavities prefabricated in LDS blocks (IPS e.max CAD) were treated by the adhesives, air-blown either with normal air...

journal_title：Dental materials journal

authors： Kaykhine P,Tichy A,Abdou A,Hosaka K,Foxton RM,Sumi Y,Nakajima M,Tagami J

更新日期：2020-10-24 00:00:00

abstract：:The aim of this study was to determine the effect of autoclave polymerization on the transverse strength of denture base polymers. To this end, 30 rectangular test specimens were fabricated of two heat-polymerized denture base polymers. The test groups were: (I) control, i.e., conventional water bath to polymerize res...

journal_title：Dental materials journal

authors： Durkan R,Ozel MB,Bağiş B,Usanmaz A

更新日期：2008-07-01 00:00:00

abstract：:This study evaluated the influence of filling technique and curing mode on the microtensile bond strengths (MTBS) of composite cores to pulpal floor dentin. Access cavities of human molars with pulpal floor dentin were restored with a two-step self-etch adhesive system, Clearfil Liner Bond 2V and a composite core, Cle...

journal_title：Dental materials journal

authors： Ariyoshi M,Nikaido T,Foxton RM,Tagami J

更新日期：2010-10-01 00:00:00

abstract：:Besides micro-mechanical interlocking through hybrid-layer formation, self-etch adhesives may benefit from additional chemical interaction between the functional monomer and residual hydroxyapatite. One-step adhesives are commonly associated with lower bonding effectiveness, which must be attributed in part to the dis...

journal_title：Dental materials journal

authors： Van Meerbeek B,Van Landuyt K,De Munck J,Hashimoto M,Peumans M,Lambrechts P,Yoshida Y,Inoue S,Suzuki K

更新日期：2005-03-01 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：: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 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 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：: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：: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 investigated the effects of storing impressions for 3 hours after spraying them with a disinfectant solution on dimensional change and deformation of maxillary edentulous stone models. Three brands of alginate impression materials, characterized by a small degree of contraction in 100% relative humidity, we...

journal_title：Dental materials journal

authors： Hiraguchi H,Kaketani M,Hirose H,Yoneyama T

更新日期：2010-05-01 00:00:00

abstract：:Recently, an esthetic tooth coating material has been developed. The material consisted of a primer solution, a base coat, and a top coat. The purpose of this study, therefore, was to evaluate the color change of this tooth coating material and two resin composites after immersion in food-simulating, staining solution...

journal_title：Dental materials journal

authors： Fujita M,Kawakami S,Noda M,Sano H

更新日期：2006-06-01 00:00:00