Development of cell-hybrid artificial bone: effect of osteogenic differentiation of bone marrow stromal stem cells on bone formation with newly developed interconnected porous calcium hydroxyapatite.

abstract：:The aim of this study was to clarify the effect of heating rate on the development of both transient and residual stresses in investment molds. Solid, cylindrical, gypsum-based molds were modeled and theoretical calculations made of temperature distributions with a constant heating rate. These calculations used experi...

journal_title：Dental materials journal

authors： Asaoka K,Tesk JA

更新日期：1996-12-01 00:00:00

abstract：:The influence of the number of cycles on shear fatigue strength to enamel and dentin using dental adhesives in self-etch mode was investigated. A two-step self-etch adhesive and two universal adhesives were used to bond to enamel and dentin in self-etch mode. Initial shear bond strength and shear fatigue strength to e...

journal_title：Dental materials journal

authors： Tsujimoto A,Barkmeier WW,Erickson RL,Takamizawa T,Latta MA,Miyazaki M

更新日期：2018-01-30 00:00:00

abstract：:The purpose of the present study was to evaluate the bond strength between a fiber-reinforced composite (FRC) and six luting agents (Panavia F 2.0, Linkmax MC, Chemiace II, Multibond, Super-Bond C&B, and Fuji I). A prosthodontic resin composite material (RC-control) and a luting agent containing no functional monomer ...

journal_title：Dental materials journal

authors： Taira Y,Sakai M,Yang L,Sawase T,Atsuta M

更新日期：2007-09-01 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：:The torsional fracture strength at the interface between a base plate and veneering material was evaluated for three kinds of veneered restoration: porcelain fused to zirconia (PFZ), porcelain fused to metal (PFM), and composite resin veneered metal (CRVM). The metal and zirconia base plate (30×4×0.4 mm) were prepared...

journal_title：Dental materials journal

authors： Watanabe F,Seto M,Ueda K,Ozawa M

更新日期：2018-07-29 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 review is to summarise recent advances in the design and composition of bioactive surface layers of implantabile biomaterials, and thus the genetic potential of osteoprogenitor cells to recognize and respond to these diverse implanted biomaterials. Changes applied to a biomaterial's surface, in gen...

journal_title：Dental materials journal

authors： Letić-Gavrilović A,Scandurra R,Abe K

更新日期：2000-06-01 00:00:00

abstract：:The purposes of this study were to examine the shock absorption capability of addition-cured silicone denture relining materials and the bonding strength of addition-cured silicone denture relining materials and a commercial mouthguard material to determine its applicability to mouthguard adjustment. Two addition-cure...

journal_title：Dental materials journal

authors： Fukasawa S,Churei H,Chowdhury RU,Shirako T,Shahrin S,Shrestha A,Wada T,Uo M,Takahashi H,Ueno T

更新日期：2016-01-01 00:00:00

abstract：:This study investigated the effect of bulk-fill composites on proximal contact tightness (PCT) of composite restorations using different matrix systems. 150/standardized-MO-ivorine cavity preparations were divided into 5 groups; Smart Dentin Replacement (SDR), SonicFill (SF), Tetric EvoCeram Bulk-Fill (TEB), G-ænial U...

journal_title：Dental materials journal

authors： El-Shamy H,Sonbul H,Alturkestani N,Tashkandi A,Loomans BA,Dörfer C,El-Badrawy W

更新日期：2019-02-08 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：:This study was designed to examine the effects of dose of recombinant human BMP-2 (rhBMP-2) on bone formation at palatal sites in 10-week-old (10w) and 70-week-old (70w) rats, when combined with a polylactate-polyglycolate copolymer/gelatine sponge (PGS). New bone formation was observed at six weeks after implantation...

journal_title：Dental materials journal

authors： Yamaji K,Kawanami M,Matsumoto A,Odajima T,Nishitani Y,Iwasaka K,Yoshimitsu K,Yoshiyama M

更新日期：2007-07-01 00:00:00

abstract：:The effectiveness of a barbituric acid/copper (II) chloride initiator system in dentin was examined in terms of the effects of barbituric acid structures and dentin conditioners on bond strength. Curing times and tensile bond strengths to bovine dentin were measured for PMMA/MMA resins in conjunction with initiators c...

journal_title：Dental materials journal

authors： Suzuki A,Imai Y

更新日期：1995-12-01 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：:A new method of all-ceramic production using alumina coping has been developed. The present study investigates the influence of secondary firing (glass infiltration firing) conditions. Samples of porcelain build-up without secondary firing were also assessed. The suitability of coping that included secondary firing wa...

journal_title：Dental materials journal

authors： Masuda T,Kakimoto K,Takahashi K,Komasa Y

更新日期：2016-01-01 00:00:00

abstract：:We evaluated the effect of different curing strategies for universal adhesives on micro-tensile bond strength (μTBS) between resin cement and dentin and/or between resin cement and indirect resin composite. Flat coronal dentin surfaces and composite resin disks were pretreated with silane-containing universal adhesive...

journal_title：Dental materials journal

authors： Araoka D,Hosaka K,Nakajima M,Foxton R,Thanatvarakorn O,Prasansuttiporn T,Chiba A,Sato K,Takahashi M,Otsuki M,Tagami J

更新日期：2018-06-08 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 reinforcement mechanism of dentin mechanical properties by intracanal medicaments was investigated. The dumbbell-shaped specimens were prepared from a collagen sheet, demineralized dentin and organic dissolved dentin. After immersing the specimens in intracanal medicaments (eugenol and formocresol), the tensile te...

journal_title：Dental materials journal

authors： Nakano F,Takahashi H,Nishimura F

更新日期：1999-09-01 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 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：:Temperature dependencies of thermal expansion coefficients for the alloys of Pd-Ag, Pd-Cu and Pd-Co binary systems were measured at temperatures up to 900 degrees C, with heating and cooling rates of 5 degrees C/min. The coefficient of thermal expansion of alloys with no transformation in the temperature range of inte...

journal_title：Dental materials journal

authors： Asaoka K,Kuwayama N

更新日期：1990-06-01 00:00:00

abstract：:The biaxial flexural strength and cyclic fatigue biaxial flexural strength of CAD/CAM ceramics polished with #220, 400, 600 and 1000 diamond pads were measured in an effort to determine the effect of surface roughness on fatigue behavior of dental ceramics. The surface roughness was improved after polishing with a sma...

journal_title：Dental materials journal

authors： Nakazato T,Takahashi H,Yamamoto M,Nishimura F,Kurosaki N

更新日期：1999-12-01 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

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：: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：:This study investigated the contrast ratio and grain size depending on sintering parameters of twelve different zirconia materials and compared with glass-ceramic (N=156, n=12 per group). Contrast ratio of all ceramics was measured using a spectrophotometer according to ISO 2471: 2008. Grain sizes of zirconia were det...

journal_title：Dental materials journal

authors： Stawarczyk B,Emslander A,Roos M,Sener B,Noack F,Keul C

更新日期：2014-01-01 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：: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：:The relation between the bonding efficacy of the dentin adhesive and the physical change of the dentin after treatment with various dentin cleansers was investigated. The dentin surface was cleaned with one of the seven experimental dentin cleansers, 5, 10, 20, 30 and 40% of the phosphoric acid, neutralized 0.5 M EDTA...

journal_title：Dental materials journal

authors： Chiba M,Itoh K,Wakumoto S

更新日期：1989-06-01 00:00:00

abstract：:Cyclic torsional loading tests were carried out in the laboratory using various implant systems, in order to clarify differences between the systems in loosening of abutment screws. Six samples from six commercially available abutment systems were used, giving a total of 36 samples. Four of the systems used internal c...

journal_title：Dental materials journal

authors： Katsuta Y,Watanabe F

更新日期：2015-01-01 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