Anisotropy of tensile strengths of bovine dentin regarding dentinal tubule orientation and location.

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 at a temperature of 37 degrees C. The tensile strengths of the parallel to the orientation were significantly greater than those of the perpendicular to the orientation; the tensile strengths of the radicular dentin were significantly greater than those of the coronal dentin. Nevertheless, in the radicular dentin, the tensile strengths of the perpendicular to dentinal tubules differ with respect to tensile forces. These results suggest that tensile strength of the dentin varies according to the location and orientation of dentinal tubules in the tooth.

journal_name

Dent Mater J

journal_title

Dental materials journal

authors

Inoue T,Takahashi H,Nishimura F

doi

10.4012/dmj.21.32

keywords:

subject

Has Abstract

pub_date

2002-03-01 00:00:00

pages

32-43

issue

1

eissn

0287-4547

issn

1881-1361

journal_volume

21

pub_type

杂志文章
  • Influence of filling technique and curing mode on the bond strengths of composite cores to pulpal floor dentin.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2009-104

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

    更新日期:2010-10-01 00:00:00

  • Characterization of 50wt%SiO2-20wt%P2O5-30wt%CaO glass-ceramic powders prepared by the sol-gel process.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.16.117

    authors: Taira M,Okazaki M,Takahashi J

    更新日期:1997-12-01 00:00:00

  • Effect of surface preparation on the bond strength of heat-polymerized denture base resin to commercially pure titanium and cobalt-chromium alloy.

    abstract::The aim of this study was to investigate the bond durability of heat-polymerized denture base resin to cast CP Ti and Co-Cr alloy. The alloy specimens were divided into five groups: 1) airborne-particle abraded with 50 µm alumina (SAND), 2) Rocatec tribochemical silica coating system (RO), 3) air-abraded followed by a...

    journal_title:Dental materials journal

    pub_type: 杂志文章,随机对照试验

    doi:10.4012/dmj.2010-089

    authors: Kawaguchi T,Shimizu H,Lassila LV,Vallittu PK,Takahashi Y

    更新日期:2011-01-01 00:00:00

  • Discoloration of manually fabricated resins and industrially fabricated CAD/CAM blocks versus glass-ceramic: effect of storage media, duration, and subsequent polishing.

    abstract::This study determined the discoloration of five CAD/CAM resins, four manually polymerized resins, and glass-ceramic as control group. Specimens were divided into three groups (N=300, n=30) to be stored in coffee, black tea and red wine (n=10). The discoloration was measured using a spectrophotometer after 1, 7, 29, 90...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2011-238

    authors: Stawarczyk B,Sener B,Trottmann A,Roos M,Ozcan M,Hämmerle CH

    更新日期:2012-01-01 00:00:00

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

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2015-023

    authors: Katsuta Y,Watanabe F

    更新日期:2015-01-01 00:00:00

  • Contraction gap versus shear bond strength of dentin adhesive in sound and sclerotic dentins.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.25.576

    authors: Kusunoki M,Itoh K,Takahashi Y,Hisamitsu H

    更新日期:2006-09-01 00:00:00

  • Self-cleaning ability of a photocatalyst-containing denture base material.

    abstract::This study examined the ability of a photocatalyst mixed in a denture base resin to decompose organic substances which adhered to the denture base resin surface. The photocatalyst was mixed with denture base resin at concentrations of 0, 5, 10, and 15% (w/w). Decomposition test, bending test, and surface roughness mea...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.27.179

    authors: Cheng Y,Sakai T,Moroi R,Nakagawa M,Sakai H,Ogata T,Terada Y

    更新日期:2008-03-01 00:00:00

  • Bond strength and microleakage of self-adhesive and conventional fissure sealants.

    abstract::The aim of this study was to compare the shear bond strengths (SBS), failure modes (adhesive, cohesive, or mixed), and marginal microleakage occurrence of conventional resin (CR)-based, glass ionomer (GI)-based, and self-adhesive resin (SAR)-based fissure sealants with or without prior phosphoric acid (PA) etching. Fi...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2013-227

    authors: Simsek Derelioglu S,Yilmaz Y,Celik P,Carikcioglu B,Keles S

    更新日期:2014-01-01 00:00:00

  • Effect of adding spherical silica filler on physico-mechanical properties of resin modified glass-ionomer cement.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.23.146

    authors: Tjandrawinata R,Irie M,Yoshida Y,Suzuki K

    更新日期:2004-06-01 00:00:00

  • Novel self-etching and antibacterial orthodontic adhesive containing dimethylaminohexadecyl methacrylate to inhibit enamel demineralization.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-286

    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

  • Polymerization shrinkage, flexural and compression properties of low-shrinkage dental resin composites.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2013-126

    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

  • Discoloration and dissolution of titanium and titanium alloys with immersion in peroxide- or fluoride-containing solutions.

    abstract::This study compared differences in discoloration and dissolution in several titanium alloys with immersion in peroxide- or fluoride-containing solution. Commercially pure titanium (CP-Ti) and six titanium-based alloys were used: Ti-0.15Pd, Ti-6Al-4V, Ti-7Nb-6Al, Ti-55Ni, Ti-10Cu, and Ti-20Cr. Two test solutions were p...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.27.117

    authors: Noguchi T,Takemoto S,Hattori M,Yoshinari M,Kawada E,Oda Y

    更新日期:2008-01-01 00:00:00

  • Effects of degree of dissociation of acid used on hydrolytic durability of ceramic primer.

    abstract::In this study, effects of the degree of dissociation of acids on the hydrolysis rate of methoxy group in γ-methacryloxypropyltrimethoxysilane (γ-MPS) and the adsorption characteristics of γ-MPS on ceramic surfaces were studied using acetic, phosphoric, and hydrochloric acids. Hydrolytic stability of γ-MPS adsorption l...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2013-319

    authors: Aoki N,Kimoto S,Tanimura H,Nishiyama N,Aida M

    更新日期:2014-01-01 00:00:00

  • Effect of etching with low concentration hydrofluoric acid on the bond strength of CAD/CAM resin block.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2018-398

    authors: Niizuma Y,Kobayashi M,Toyama T,Manabe A

    更新日期:2020-12-03 00:00:00

  • Effect of four silane coupling agents on bonding of two resin-modified glass ionomer cements to a machinable ceramic.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.26.240

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

    更新日期:2007-03-01 00:00:00

  • Effect of finishing condition on fracture strength of monolithic zirconia crowns.

    abstract::This study was to evaluate the load bearing capacity of monolithic dental zirconia crowns, and the effect of surface finishing on fracture strength. (1) The zirconia plates were divided into 5 groups and polished by various types of polishing bur, every specimen was analyzed by surface roughness testing, and X-ray dif...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-391

    authors: Yin R,Lee MH,Bae TS,Song KY

    更新日期:2019-03-31 00:00:00

  • Identification of peptide motif that binds to the surface of zirconia.

    abstract::A zirconia-binding peptide motif was identified using a peptide phage display system. Yttria stabilized zirconia beads and discs were used as the target. Quartz crystal microbalance was used to monitor the binding of phages to zirconia. Starting from a library of phages displaying random sequences of 12-mer peptides, ...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2011-161

    authors: Hashimoto K,Yoshinari M,Matsuzaka K,Shiba K,Inoue T

    更新日期:2011-01-01 00:00:00

  • Cytotoxic effects of contemporary bulk-fill dental composites: A real-time cell analysis.

    abstract::The aim of this study was to evaluate the cytotoxicity of contemporary flowable and paste-like bulk-fill dental composites by using a real-time cell analysis. In the present paper, cytotoxicity levels of five flowable, five paste-like bulk-fill composite materials and one conventional flowable, one conventional paste-...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2018-336

    authors: Demirel G,Gür G,Demirsoy FF,Altuntaş EG,Yener-Ilce B,Kiliçarslan MA

    更新日期:2020-01-31 00:00:00

  • Micro-computed tomographic evaluation of a new enzyme solution for caries removal in deciduous teeth.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.25.675

    authors: Clementino-Luedemann TN,Dabanoglu A,Ilie N,Hickel R,Kunzelmann KH

    更新日期:2006-12-01 00:00:00

  • Effect of polishing on cyclic fatigue strength of CAD/CAM ceramics.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.18.395

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

    更新日期:1999-12-01 00:00:00

  • Cold plasma-induced surface modification of heat-polymerized acrylic resin and prevention of early adherence of Candida albicans.

    abstract::Atmospheric-pressure cold plasma was applied to process the surface of heat-polymerized acrylic resin. Changes to the physical properties and early adherence of Candida albicans were investigated. Alternating current cold plasma with Ar/O2 as working gas was used. Scanning electron microscopy (SEM) and X-ray photoelec...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2015-035

    authors: Pan H,Wang G,Pan J,Ye G,Sun K,Zhang J,Wang J

    更新日期:2015-01-01 00:00:00

  • SEM observation of collagen fibrils secreted from the body surface of osteoblasts on a CO3apatite-collagen sponge.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.24.460

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

    更新日期:2005-09-01 00:00:00

  • Evaluation of temperature changes in the pulp chamber during polymerization of light-cured pulp-capping materials by using a VALO LED light curing unit at different curing distances.

    abstract::The aim of this study was to evaluate temperature changes in the pulp chamber during polymerization of four different pulp-capping materials using a LED-light-curing-unit in the contact and noncontact positions. A pulpal circulation mechanism was simulated to measure increases in temperature in four pulp-capping mater...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2013-274

    authors: Savas S,Botsali MS,Kucukyilmaz E,Sari T

    更新日期:2014-01-01 00:00:00

  • A review of our development of dental adhesives--effects of radical polymerization initiators and adhesive monomers on adhesion.

    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

    pub_type: 杂志文章,评审

    doi:10.4012/dmj.2009-057

    authors: Ikemura K,Endo T

    更新日期:2010-03-01 00:00:00

  • Effectiveness of sodium hypochlorite and sulfinic acid sodium salt treatment on dentin-resin bonding: Long-term durability of one-step self-etching adhesive.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-105

    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

  • Effects of CO2 laser irradiation combined with fluoride application on the demineralization, mechanical properties, structure, and composition of enamel.

    abstract::We investigated the effects of CO2 laser irradiation combined with acidulated phosphate fluoride (APF) application on the demineralization of enamel. APF gel was applied to the buccal enamel of human premolars and CO2 laser was applied. After the specimens were immersed in demineralization solution for 72 h, they were...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2014-225

    authors: Nakagaki S,Iijima M,Endo K,Saito T,Mizoguchi I

    更新日期:2015-01-01 00:00:00

  • Ceramic bonding strength of Au-1.6 wt% Ti alloy.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.24.268

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

    更新日期:2005-06-01 00:00:00

  • Effectiveness of bonding resin-based composite to healthy and fluorotic enamel using total-etch and two self-etch adhesive systems.

    abstract::The aim of this study was to evaluate the bond strength of three adhesive systems: Excite™, Adper Prompt L-Pop™ and AdheSE One™ to varying degrees of fluorotic enamel using micro-tensile bond strength (μTBS) tests. Human enamel was classified according to the Thylstrup and Fejerskov Index. The interface resin-enamel w...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2012-140

    authors: Torres-Gallegos I,A Martinez-Castañon G,Loyola-Rodriguez JP,Patiño-Marin N,Encinas A,Ruiz F,Anusavice K

    更新日期:2012-01-01 00:00:00

  • Bilinear elastic property of the periodontal ligament for simulation using a finite element mandible model.

    abstract::This study aimed to introduce a procedure for determining the bilinear elastic moduli (E1 and E2) of the periodontal ligament for a mathematical tooth model to analyse stress in the mandible. The bone and tooth morphology were scanned from a dry skull and an extracted intact tooth, respectively, and reconstructed in a...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2010-170

    authors: Borák L,Florian Z,Bartáková S,Prachár P,Murakami N,Ona M,Igarashi Y,Wakabayashi N

    更新日期:2011-01-01 00:00:00

  • Effect of commercially available bonding agents impregnated with fibers on bending strength of hybrid resin.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.27.723

    authors: Tsushima S,Gomi H,Shinya A,Yokoyama D,Vallittu PK,Shinya A

    更新日期:2008-09-01 00:00:00