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 purpose of this study was to determine the optimal condition for fabricating accurate crowns efficiently using an internet-based CAD/CAM system. The influences of three different CAD/CAM restorative materials (titanium, porcelain, and composite resin) and three different step-over scanning distances (0.01 mm, 0.11...

journal_title：Dental materials journal

authors： Tomita S,Shin-ya A,Gomi H,Shin-ya A,Yokoyama D

更新日期：2007-07-01 00:00:00

abstract：:With a view to understanding the structure-property relation of a silicone-based soft lining denture material after polymerization, its chemical composition and viscoelastic properties were investigated. Chemical compositions of the cured and uncured polymers of a commercial silicone permanent soft liner were determin...

journal_title：Dental materials journal

authors： Doğan OM,Keskin S,Doğan A,Ataman H,Usanmaz A

更新日期：2007-05-01 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：:The purpose of this study was to evaluate the effect of osteogenic differentiation of bone marrow stromal stem cells (BMSCs) on bone formation in a novel interconnected porous calcium hydroxyapatite (IP-CHA). BMSCs/IP-CHA composites, as a cell-hybrid artificial bone, were made by injecting BMSCs solution into IP-CHA s...

journal_title：Dental materials journal

authors： Doi K,Kubo T,Hayashi K,Imura K,Akagawa Y

更新日期：2007-03-01 00:00:00

abstract：:The purpose of the present study was to evaluate the effect of four silane coupling agents on the bond strength between two resin-modified glass ionomer cements and a machinable leucite glass ceramic. Ceramic specimens were ground with silicon carbide paper and cleaned with phosphoric acid. They were then conditioned ...

journal_title：Dental materials journal

authors： Kamada K,Taira Y,Yoshida K,Atsuta M

更新日期：2007-03-01 00:00:00

abstract：:Adhesion promoting monomers for precious metals, 2,3-epithiopropyl methacrylate (EP1MA), 4,5-epithiopentyl methacrylate (EP3MA), 9,10-epithiodecyl methacrylate (EP8MA), 10,11-epithioundecyl methacrylate (EP9MA), 9,10-epithiodecyl 4-vinylbenzoate (EP8VB), 2,3-epithiocyclohexyl methacrylate (EPCHMA), and 3,4-epithiobuty...

journal_title：Dental materials journal

authors： Kadoma Y,Kojima K,Tamaki Y,Nomura Y

更新日期：2007-01-01 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：: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：:The aim of this study was to evaluate the pH at the surface of active or arrested carious dentin using a micro pH sensor, and to compare the relationship between different pH measurement techniques. Twenty extracted carious teeth were divided into two groups, active or arrested caries, according to predefined clinical...

journal_title：Dental materials journal

authors： Murakami K,Kitasako Y,Burrow MF,Tagami J

更新日期：2006-09-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of various incremental filling techniques on adhesion between composite and cavity floor using light-cured resin composite. Black ABS resin and hybrid resin composite were used as mold materials--instead of dentin--for the preparation of cavities, and standardized t...

journal_title：Dental materials journal

authors： Chikawa H,Inai N,Cho E,Kishikawa R,Otsuki M,Foxton RM,Tagami J

更新日期：2006-09-01 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：: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 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：: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

abstract：:To investigate the bonding of tooth-colored indirect restorations to cervical dentin, shear bond strengths of bonded resin inlays to cervical dentin and mid-coronal dentin were investigated and compared. Indirectly fabricated composite inlays (Estenia) were cemented with a dual-cured resin cement (Panavia Fluoro Cemen...

journal_title：Dental materials journal

authors： Shimada Y,Sattabanasuk V,Sadr A,Yuan Y,He Z,Tagami J

更新日期：2006-03-01 00:00:00

abstract：:Despite progress in the development of denture base resin and artificial tooth materials, dental clinics are still plagued with artificial teeth falling off the denture base--due to poor bond strength--after denture delivery. Against this background, this study sought to examine the effect and durability of an adhesiv...

journal_title：Dental materials journal

authors： Nishigawa G,Maruo Y,Okamoto M,Oki K,Kinuta Y,Minagi S,Irie M,Suzuki K

更新日期：2006-03-01 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 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 changes in hardness and Young's modulus of the transparent layer of dentin associated with aging and the carious process. Eighteen extracted human molars with or without coronal caries were used in this study. The normal teeth were divided into two groups by age, and the carious teeth were ...

journal_title：Dental materials journal

authors： Zheng L,Nakajima M,Higashi T,Foxton RM,Tagami J

更新日期：2005-12-01 00:00:00

abstract：:This study aimed to investigate the relationship between the radiopacity of an experimental light-cured composite resin and the amount and type of its radiopaque material: Ti, SrCO3, ZrO2, BaSO4, or Bi2O3. Radiopacity of each material was evaluated in terms of aluminum equivalent thickness using an aluminum step wedge...

journal_title：Dental materials journal

authors： Aoyagi Y,Takahashi H,Iwasaki N,Honda E,Kurabayashi T

更新日期：2005-09-01 00:00:00

abstract：:Different types of calcium phosphate compounds are commercially available for medical and dental applications as bone substitute materials. Biological apatites contain several kinds of minor elements such as carbonate (CO3), magnesium (Mg), and fluoride (F) in enamel, dentin, and bone. It has been shown that F ion and...

journal_title：Dental materials journal

authors： Inoue M,Nagatsuka H,Tsujigiwa H,Inoue M,LeGeros RZ,Yamamoto T,Nagai N

更新日期：2005-09-01 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：:Effects of functionally gradient calcium phosphate consisting of hydroxyapatite (HAP) and alpha-tricalcium phosphate (alpha-TCP) on proliferation and differentiation of osteoblasts were evaluated using MC3T3-E1 cells. There were no significant differences in the proliferation of MC3T3-E1 cells among HAP-alpha-TCP func...

journal_title：Dental materials journal

authors： Yuasa T,Miyamoto Y,Kon M,Ishikawa K,Takechi M,Momota Y,Tatehara S,Takano H,Mimamiguchi S,Nagayama M

更新日期：2005-06-01 00:00:00

abstract：:The aim of this investigation was to evaluate the metal-ceramic bonding of Au-1.6 wt% Ti alloy. Therefore, the coefficient of thermal expansion, modulus of elasticity, ceramic bonding strength, and hardness of Au-1.6 wt% Ti alloy were measured. The metal-ceramic interface was observed by EPMA to investigate its bondin...

journal_title：Dental materials journal

authors： Ito M,Kikuchi M,Okuno O,Kimura K

更新日期：2005-06-01 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 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 diamond burs of two dental CAD/CAM systems (GN and CD) were examined if they could be used to fabricate up to 21 ceramic full crowns without fracture. After one, 11, and 21 machining times, the surfaces of the diamond burs were observed and the number of particles captured on SEM pictures was counted. The average ...

journal_title：Dental materials journal

authors： Yara A,Ogura H,Shinya A,Tomita S,Miyazaki T,Sugai Y,Sakamoto Y

更新日期：2005-03-01 00:00:00

abstract：:Ti-6Al-7Nb alloy was cast into three differently designed, removable partial denture frameworks: Palatal strap (PS), Anterior-posterior bar (AP), and Horseshoe-shaped bar (HS). The vertical displacement and local strain of Ti-6Al-7Nb alloy frameworks were investigated to compare against those of Co-Cr alloy frameworks...

journal_title：Dental materials journal

authors： Srimaneepong V,Yoneyama T,Wakabayashi N,Kobayashi E,Hanawa T,Doi H

更新日期：2004-12-01 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 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：: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：:A new type of self-etching agent, the single-step adhesive, was developed. The purpose of this study was to investigate the difference in the ultrastructural features of enamel and dentin surfaces following application of the prototype single-step adhesive (EXM618, 3M, MN, USA). Extracted caries-free human premolars w...

journal_title：Dental materials journal

authors： Han L,Cruz E,Fukushima M,Okamoto A,Okiji T

更新日期：2004-09-01 00:00:00

abstract：:In this study, wedge-shaped CP titanium castings and Ti-6Al-7Nb alloy castings were produced by three types of investment. The effects of the castings' thickness on surface reaction layer were investigated by measuring Vickers hardness, observing the microstructure, and analyzing the oxygen concentration. It was found...

journal_title：Dental materials journal

authors： Kikuchi H,Onouchi M,Miyanaga K,Wakashima M,Okuno O,Nishiyama M

更新日期：2004-09-01 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：: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：:We examined the mold filling capacity and microhardness of two industrial 1% Fe titanium alloys: Super-TIX800 (Nippon Steel Corp.) (Fe: 0.910%, O: 0.370%, N: 0.005%) and Super-TIX800N (Nippon Steel Corp.) (Fe: 0.960%, O: 0.300%, N: 0.041%). Two wedge-shaped acrylic patterns (with 30 degrees or 15 degrees angles) were ...

journal_title：Dental materials journal

authors： Sato H,Komatsu M,Miller B,Shimizu H,Fujii H,Okabe T

更新日期：2004-06-01 00:00:00

abstract：:The purpose of this study was to investigate the retention force of complete palate coverage and palate-less dentures made with three polymerization systems (DS system, SR-Ivocap system, microwave polymerization system) in vitro. The retention force between each denture and a polyurethane model by intervening artifici...

journal_title：Dental materials journal

authors： Teraoka F,Nakagawa M,Takahashi J

更新日期：2004-03-01 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