Abutment screw loosening of endosseous dental implant body/abutment joint by cyclic torsional loading test at the initial stage.

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：:This study evaluated the effect of resin coating (COA) on dentin bond strength (BS) of five resin cements (RC). Ten groups were tested, according to RC and COA combinations. RCs were applied onto prepolymerized resin discs, which were bonded to dentin surfaces. Teeth were stored in water for 24 h, subjected to 5,000 t...

journal_title：Dental materials journal

authors： Giannini M,Takagaki T,Bacelar-Sá R,Vermelho PM,Ambrosano GM,Sadr A,Nikaido T,Tagami J

更新日期：2015-01-01 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 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 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：: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：:Oral bacteria adhered to dental material surfaces are known to cause various oral diseases. This study aimed to develop a highsensitive and non-radioisotopic fluorescence dye method for quantification of oral bacteria (Streptococcus, Actinomyces and Veillonella) adhered to denture material surfaces. The amount of adhe...

journal_title：Dental materials journal

authors： Sakuma Y,Washio J,Sasaki K,Takahashi N

更新日期：2013-01-01 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：: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：:This study investigated transformations of nickel-titanium wires using differential scanning calorimetry (DSC) and thermomechanical analysis (TMA) under tensile load (100 gf or 500 gf). Two nickel-titanium wires, 35°C Copper Ni-Ti and Nitinol SE, were selected. DSC analyses were performed between -90° and 100°C. Speci...

journal_title：Dental materials journal

authors： Iijima M,Ohta M,Brantley WA,Naganishi A,Murakami T,Muguruma T,Mizoguchi I

更新日期：2011-01-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate the pH value of intact and carious dentin in primary teeth using a pH-imaging microscope (SCHEM-100, HORIBA Ltd., Kyoto, Japan). Bucco-lingual cut sections of extracted human primary teeth, which had either mild or severe dentinal caries lesions, were placed on the pH-ima...

journal_title：Dental materials journal

authors： Nikaido T,Moriya K,Hiraishi N,Ikeda M,Kitasako Y,Foxton RM,Tagami J

更新日期：2004-12-01 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：: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：:Comparative studies on two-body sliding wear resistance were performed between a hybrid composite resin and conventional light-curing composite veneering materials. This study investigated the wear resistance of hybrid composite resins compared with three composite resin veneering materials for 12%Au-Ag-Pd alloy, the ...

journal_title：Dental materials journal

authors： Suese K,Kawazoe T

更新日期：2002-09-01 00:00:00

abstract：:This study aimed to evaluate influence of different post-end positions in alveolar bone level on stress distributions in resin-core build-up tooth under different load directions. Three-dimensional mathematical models of a root-filled mandibular premolar tooth were constructed. Resin post and core were built-up with s...

journal_title：Dental materials journal

authors： Hatayama T,Chiba A,Kainose K,Nakajima M,Hosaka K,Wakabayashi N,Foxton RM,Tagami J

更新日期：2018-06-08 00:00:00

abstract：:The objective was to compare bond strengths of adhesives with/without thermocycling and to analyze the micromorphology of resindentin interfaces. Flat dentin surfaces were prepared and divided into eight groups to bond with four etch-and-rinse adhesives (Optibond FL, Adper Scotchbond Multi-Purpose, Optibond Solo Plus,...

journal_title：Dental materials journal

authors： Sangwichit K,Kingkaew R,Pongprueksa P,Senawongse P

更新日期：2016-01-01 00:00:00

abstract：:An experimental conditioner (Exp), which was an aqueous solution of 10% ascorbic acid and 5% ferric chloride, was prepared in this study. This study evaluated the effect of Exp on the microtensile bond strength between a self-curing resin and dentin after long-term water immersion. Flat human dentin surfaces were sequ...

journal_title：Dental materials journal

authors： Soeno K,Taira Y,Ito S

更新日期：2012-01-01 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：:An experimental primer was developed as a single-step bonding system for resin-modified glass ionomer cements (GIC). Efficacy of this primer on adhesion of resin-modified GICs and resin composite to enamel and dentin was evaluated by shear bond test and SEM observation. Good bond strengths to enamel were obtained (> 1...

journal_title：Dental materials journal

authors： Nikaido T,Nakajima M,Higashi T,Kanemura N,Pereira PN,Tagami J

更新日期：1997-06-01 00:00:00

abstract：:This study aimed to evaluate cyclic fatigue resistance and bending properties and torque/force generation of WaveOne Gold (WOG) Primary in comparison with WaveOne (WO) Primary and Reciproc (RE) R25. A cyclic fatigue test revealed that the WOG Primary took significantly longer time to fracture compared with the WO Prim...

journal_title：Dental materials journal

authors： Fangli T,Maki K,Kimura S,Nishijo M,Tokita D,Ebihara A,Okiji T

更新日期：2019-06-01 00:00:00

abstract：:A new tensile fatigue test using a stainless steel screw was introduced. A transparent PMMA rod was selected as the test material. A hole was drilled and tapped into the rod; a screw was put into the rod with dental cement or without cementation. Three types of cyclic loads were applied to the test piece; the number o...

journal_title：Dental materials journal

authors： Nishimura F,Nakamura H,Watari F,Tanaka I,Takahashi H

更新日期：1992-12-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of the location and orientation of dentinal tubules in the tooth on tensile strengths of the dentin. Dumbbell-shaped specimens of 12 groups from various locations and dentinal tubule orientations were prepared. The tensile test was performed in distilled water a...

journal_title：Dental materials journal

authors： Inoue T,Takahashi H,Nishimura F

更新日期：2002-03-01 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 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：: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：:We aimed to establish an experimental animal model to evaluate materials for endodontic therapy. We focused on the biocompatibility of new paste-type zinc oxide-eugenol (ZOE) sealer. The results of this sealer were compared with those of conventional powder/liquid ZOE and eugenol-free sealers. The molars of Wistar rat...

journal_title：Dental materials journal

authors： Mutoh N,Tani-Ishii N

更新日期：2011-01-01 00:00:00

abstract：:The objective of this study was to examine the effects of storage conditions on the flexural strengths of resin composite materials for CAD/CAM restorations. Seven commercially available resin composite CAD/CAM blanks were examined. Rectangular specimens (4.0×1.2×4.0 mm) of each material were trimmed from the blanks a...

journal_title：Dental materials journal

authors： Hibino Y,Nagasawa Y,Eda Y,Shigeta H,Nakajima H

更新日期：2020-09-29 00:00:00

abstract：:The aim of this study was to evaluate the effect of resin infiltration on root caries induced by Streptococcus mutans biofilms. Human premolar specimens were divided to 5 groups: negative control (NC), Clearfil SE Bond (SEB), Icon-etch120s+Icon-infiltrant (HA120), Icon-etch10s+Icon-infiltrant (HA10) and K-etchant10s+I...

journal_title：Dental materials journal

authors： Zhou Y,Matin K,Shimada Y,Sumi Y,Tagami J

更新日期：2017-03-31 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