Bond strength of artificial teeth to thermoplastic denture base resin for injection molding.

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 sealing ability and push-out bond strength of two luting cements cured with two different types of light curing units (LCU): light-emitting diode (LED) versus quartz tungsten halogen (QTH). Forty teeth were divided into four groups(n=10/group). Quartz fiber posts (D. T. Light-Post) were luted ...

journal_title：Dental materials journal

authors： Beriat NC,Ertan AA,Yilmaz Z,Gulay G,Sahin C

更新日期：2012-01-01 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 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：: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：: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：:Previously, high temperature properties of the silver-palladium-copper-gold alloy were investigated. In this study, the thermal expansion percentage and coefficient, and high temperature strengths of ADAS Type 3 gold alloy were investigated up to the liquidus temperature. Furthermore, microstructural and compositional...

journal_title：Dental materials journal

authors： Nagasawa S,Yoshida T,Terashima N,Mizoguchi T,Yagasaki H,Kamijo K,Ito M,Platt JA,Oshida Y

更新日期：2004-06-01 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：: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：:Two types of patterns were tested for castability: 1) polyester mesh pattern (20mm x 22mm with 100 open squares) and 2) 20mm x 20mm wax plates 1.0 and 1.5 mm in thickness. These materials were invested using a pre-arranged commercial phosphate-bonded investment for titanium. Three different types of casting machines w...

journal_title：Dental materials journal

authors： Takahashi J,Zhang JZ,Okazaki M

更新日期：1993-12-01 00:00:00

abstract：:This study aimed to investigate the in vitro biological response of human dental pulp cells to glass ionomer cement (GIC, Fuji IX GP(®)) containing 2.5% magnesium carbonate apatite (MgCO(3)Ap). MgCO(3)Ap was synthesized by wet method and characterized using FT-IR, XPS, and SEM. Fuji IX GP(®) served as a control. Test ...

journal_title：Dental materials journal

authors： Laiteerapong A,Lochaiwatana Y,Hirata I,Okazaki M,Mori K,Murakami S,Poolthong S

更新日期：2012-01-01 00:00:00

abstract：:The behavior of microencapsulated polymerization initiators in dental adhesives is unknown. This study investigated the effects of new microencapsulated initiators in novel, multi-purpose, PMMA-type adhesive resin on the bonding performance and polymerization reactivity. Microencapsulated BPO and 1,3,5-trimethylbarbit...

journal_title：Dental materials journal

authors： Fuchigami K,Ikemura K,Ichizawa K

更新日期：2008-01-01 00:00:00

abstract：:The purpose of this study was to evaluate, in vitro, the antimicrobial effect of iRoot BP, iRoot BP Plus, and mineral trioxide aggregate (MTA) against Entercoccus faecalis and Candida albicans by using direct contact test. The materials were tested immediately after application to the microtiter wells and after settin...

journal_title：Dental materials journal

authors： Damlar I,Ozcan E,Yula E,Yalcin M,Celik S

更新日期：2014-01-01 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 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：:Surface replication is a nondestructive evaluation technique applied in examining surfaces' cracks/wear. This is quite valuable when the surface of interest cannot be further manipulated by cutting or polishing to fit directly under a microscope. Replication by acetate sheets is one of the techniques applied in indust...

journal_title：Dental materials journal

authors： Ijbara M,Wada K,Wada J,Jayawardena JA,Miyashin M

更新日期：2019-02-08 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 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 aim of the present work was to investigate the effect of the different organically modified nanoclays on clinically significant properties of new synthesized dental pit and fissure nanocomposite sealants. Their morphological characteristics were examined by means of X-ray diffraction (XRD) analysis and scanning el...

journal_title：Dental materials journal

authors： Nikolaidis A,Vouzara T,Koulaouzidou E

更新日期：2020-09-29 00:00:00

abstract：:This study aimed to evaluate the effect of sulfinic acid sodium salt interposition after acid and sodium hypochlorite treatment (NC treatment) on dentin bonding durability using a mild type one-step self-etching adhesive. Fifteen human third molars were randomly assigned into three experimental groups according to den...

journal_title：Dental materials journal

authors： Nakatani H,Mine A,Matsumoto M,Kabetani T,Kawaguchi-Uemura A,Higashi M,Tajiri Y,Imai D,Hagino R,Minamino T,Miura J,Yatani H

更新日期：2017-11-29 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：: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：:The secretion of collagen by osteoblasts was observed by scanning electron microscopy (SEM). Osteoblast-like cells were cultured on a CO3apatite-collagen sponge reinforced with a porous HAp frame. After three days' incubation, a number of newly created matrix fibrils, forming a network structure, were observed at the ...

journal_title：Dental materials journal

authors： Hirata I,Nomura Y,Tabata H,Miake Y,Yanagisawa T,Okazaki M

更新日期：2005-09-01 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：:The bonding efficacy of sclerotic dentin was determined by measuring the polymerization contraction gap width of a commercial light-activated resin composite in a cervical defect and by measuring the micro-Vicker's hardness at the dentin adhesive surface; morphological characteristics were observed using a scanning el...

journal_title：Dental materials journal

authors： Tani C,Itoh K,Hisamitsu H,Wakumoto S

更新日期：2001-12-01 00:00:00

abstract：:The bactericidal efficacy of 1.00-4.50% glycine-type amphoteric surfactant (Gly) was evaluated by measuring its microorganism removal rate in denture plaque. Physical and mechanical properties such as surface roughness, color difference, and bending strength of two different denture base resins were determined before ...

journal_title：Dental materials journal

authors： Hashiguchi M,Nishi Y,Kanie T,Ban S,Nagaoka E

更新日期：2009-05-01 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：:The purpose of this study was to evaluate the influence of heating, cast bonding, and subsequent polishing procedures on attractive force of magnetic attachments. Two magnetic attachment systems with keepers of different chemical compositions (Hicorexslim 3013, 447J1; Magfit EX400, AUM20) were employed. Keepers examin...

journal_title：Dental materials journal

authors： Ohashi N,Koizumi H,Ishikawa Y,Furuchi M,Matsumura H,Tanoue N

更新日期：2007-05-01 00:00:00

abstract：:This study examined the effect of air abrasion and thermocycling on the adaptation and shear bond strength, of composite resin bonded to dentin using etch-and-rinse and self-etch resin adhesives. Confocal microscopy showed both adhesives closely adapted to dentin and a significantly (p<0.001) greater number of resin t...

journal_title：Dental materials journal

authors： Freeman R,Varanasi S,Meyers IA,Symons AL

更新日期：2012-01-01 00:00:00

abstract：:Enamel demineralization is one of the most undesired side effects of fixed orthodontic treatment, which will lead to white spot lesions (WSLs) on tooth surfaces. The development of WSLs is due to prolonged accumulation of bacterial plaque and associated acid production. Self-etching adhesives have been used in orthodo...

journal_title：Dental materials journal

authors： Wang X,Zhang N,Wang B,Park SR,Weir MD,Xu HHK,Bai Y

更新日期：2018-07-29 00:00:00