Relation between attractive force and keeper surface characteristics of iron-neodymium-boron magnetic attachment systems.

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 examined were: (1) untreated; (2) heated; (3) cast-bonded with Ag-Pd alloy; (4) cast-bonded with Ag-Pd alloy and polished; (5) cast-bonded with gold alloy; and (6) cast-bonded with gold alloy and polished. Attractive force was determined with a force gauge, and surface structure was evaluated with scanning laser and electron microscopes. Attractive force of the Hicorex system was reduced by cast bonding, whereas that of the Magfit system was reduced by both heating and cast bonding. However, attractive force of both systems was somewhat recovered through the polishing process. Based on the findings of this study, it was suggested that careful polishing after cast bonding was indispensable to the recovery of attractive force for both attachment systems.

journal_name

Dent Mater J

journal_title

Dental materials journal

authors

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

doi

10.4012/dmj.26.393

subject

Has Abstract

pub_date

2007-05-01 00:00:00

pages

393-400

issue

3

eissn

0287-4547

issn

1881-1361

journal_volume

26

pub_type

杂志文章
  • The hydration chemistry of ProRoot MTA.

    abstract::'Tooth-coloured' ProRoot MTA is an endodontic cement comprising an 80:20 wt% mixture of white Portland cement (WPC) and bismuth oxide. The setting reactions within this cement system are not currently well understood. Accordingly, this research monitors the early hydration chemistry of ProRoot MTA by X-ray diffraction...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2014-309

    authors: Li Q,Coleman NJ

    更新日期:2015-01-01 00:00:00

  • Chemical structures of adhesion promoting monomers for precious metals and their bond strengths to dental metals.

    abstract::Adhesion promoting monomers for dental metals, 5-(4-vinylbenzyl)-2-thiobarbituric acid (5VS), 6- (4-vinylbenzyl-n-propyl) amino-1,3,5-triazine-2,4-dithione (VBATDT) and 9,10-epithiodecyl methacrylate (EP8MA), were synthesized and surface treatment agents were prepared by dissolving each monomer in ethanol or acetone. ...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.22.343

    authors: Kadoma Y

    更新日期:2003-09-01 00:00:00

  • Modification of electrochemically deposited apatite using supercritical water.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.20.247

    authors: Ban S,Hasegawa J

    更新日期:2001-12-01 00:00:00

  • Effect of doxycycline-treated hydroxyapatite surface on bone apposition: A histomophometric study in murine maxillae.

    abstract::Improved osseointegration of dental implants is imperative in clinic. Effect of doxycycline on promoting bone formation after implant placement was expected due to its inhibitory properties on inflammation and osteoclastogenesis. To evaluate new bone formation on the hydroxyapatite (HA)-coated implant surface, which w...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-007

    authors: Ding L,Zhang P,Wang X,Hao J,Aoki K,Kuroda S,Kasugai S

    更新日期:2018-01-30 00:00:00

  • Effect of different remaining dentin thickness and long term water storage on dentin bond strength.

    abstract::The purpose of this study was to investigate the effect of remaining dentin thickness (RDT) and long term water storage on dentin bond strength in-vitro. Twenty-seven third molars were randomly divided into 3 groups: Clearfil Bond SE ONE (SE1, Kuraray Noritake Dental, Okayama, Japan), G-Bond plus (GB, GC, Tokyo, Japan...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-140

    authors: Ting S,Chowdhury AFMA,Sun J,Kakuda S,Sidhu SK,Yoshida Y,Selimovic D,Sano H

    更新日期:2018-07-29 00:00:00

  • Effects of fluoride and dissolved oxygen concentrations on the corrosion behavior of pure titanium and titanium alloys.

    abstract::The effects of dissolved-oxygen concentration and fluoride concentration on the corrosion behaviors of commercial pure titanium, Ti-6Al-4V and Ti-6Al-7Nb alloys and experimentally produced Ti-0.2Pd and Ti-0.5Pt alloys were examined using the corrosion potential measurements. The amount of dissolved Ti was analyzed by ...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.21.83

    authors: Nakagawa M,Matsuya S,Udoh K

    更新日期:2002-06-01 00:00:00

  • In vitro pH analysis of active and arrested dentinal caries in extracted human teeth using a micro pH sensor.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.25.423

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

    更新日期:2006-09-01 00:00:00

  • CAD/CAM-fabricated inlay restorations: Can the resin-coating technique improve bond strength and internal adaptation?

    abstract::This study assessed the effect of the resin-coating technique on the bond strength and internal adaptation of computer-aided design/computer-aided manufacturing (CAD/CAM)-fabricated inlays. Seventy-two mesio-occlusal-distal (MOD) cavities were prepared and distributed into 3 groups according to the resin-coating techn...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2019-309

    authors: Rozan S,Takahashi R,Nikaido T,Tichy A,Tagami J

    更新日期:2020-12-03 00:00:00

  • Stress distribution in tooth resin core build-ups with different post-end positions in alveolar bone level under two kinds of load directions.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2017-160

    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

  • Grindability of alpha-case formed on cast titanium.

    abstract::The hardened alpha-case (alpha-case) layer inevitably forms on the surface of titanium castings when prepared by investment casting. Because the hardness of the alpha-case is incomparable to that of the interior structure, the perception exists that the alpha-case is difficult to remove during cutting, grinding and po...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.28.587

    authors: Koike M,Jacobson D,Chan KS,Okabe T

    更新日期:2009-09-01 00:00:00

  • Nanostructure evaluation of healthy and fluorotic dentin by atomic force microscopy before and after phosphoric acid etching.

    abstract::The aim was to characterize by atomic force microscopy (AFM) the nanostructure of human dentin surfaces affected by dental fluorosis (DF) before and after phosphoric acid etching. This study included 240 human dentin samples classified according to the severity of DF, which were divided into four groups using the Thyl...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2011-023

    authors: Zavala-Alonso V,Aguilera-Flores R,Patiño-Marin N,Martinez-Castañon GA,Anusavice KJ,Loyola-Rodriguez JP

    更新日期:2011-01-01 00:00:00

  • Soda-lime glass as a binder in reusable experimental investment for dental castings.

    abstract::In this study, different glasses were investigated to improve reusable investments. Borosilicate glass (BSG) powder and soda-lime glass (SLG) powder were prepared by milling broken beakers and microscope slides, respectively, and used in experimental investments (I-BSG, I-SLG) by blending glass powder (10 wt%) with cr...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2011-040

    authors: Yagi S,Zhang Z,Aida Y,Hotta Y,Tamaki Y,Miyazaki T

    更新日期:2011-01-01 00:00:00

  • Structure-property relation of a soft liner material used in denture applications.

    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

    pub_type: 杂志文章

    doi:

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

    更新日期:2007-05-01 00:00:00

  • Spectroscopic characterization of enamel surfaces irradiated with Er:YAG laser.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.25.214

    authors: Mine A,Yoshida Y,Suzuki K,Nakayama Y,Yatani H,Kuboki T

    更新日期:2006-06-01 00:00:00

  • Evaluation of the amount of residual monomer on UDMA-based resins by FTIR.

    abstract::The purpose of this study was to establish a method using FTIR to evaluate the polymerization characteristics of UDMA-based resins. Three kinds of experimental UDMA-based resins were prepared with various molar fractions. IR spectra of the cured film specimens were measured with FTIR before and after extracting residu...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.18.176

    authors: Nomoto R,Hirasawa T

    更新日期:1999-06-01 00:00:00

  • Repair bond strength of bulk-fill resin composite: Effect of different adhesive protocols.

    abstract::This study evaluated the effect of different adhesive protocols on the shear bond strength (SBS) of bulk-fill resin composite repaired with bulk-fill or conventional composite. Cylindrical bulk-fill resin composite specimens were prepared and allocated into groups according to the bonding strategy: no treatment, Silan...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2018-291

    authors: Cuevas-Suárez CE,Nakanishi L,Isolan CP,Ribeiro JS,Moreira AG,Piva E

    更新日期:2020-03-31 00:00:00

  • Comparative analysis of bovine serum albumin adsorption onto octacalcium phosphate crystals prepared using different methods.

    abstract::This study compared bovine serum albumin (BSA) adsorption onto octacalcium phosphate (OCP) materials prepared from two wet preparations in the absence (w-OCP) and presence (c-OCP) of gelatin. Raman spectroscopy was used to analyze the BSA adsorption onto OCPs in a 150 mM Tris-HCl buffer containing 0.5 mM calcium and i...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2019-250

    authors: Tsuchiya K,Hamai R,Sakai S,Suzuki O

    更新日期:2020-09-29 00:00:00

  • Effect of bidirectional loading on contact and force characteristics under a newly developed masticatory simulator with a dual-direction loading system.

    abstract::Mechanical responses of the test specimen under bidirectional and unidirectional loading were investigated using a newly developed masticatory simulator. The simulator adopted a four-bar linkage mechanism to create both loading patterns. Scratch/occlusal contact characteristics, contact force profiles and the fracture...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2016-198

    authors: Singhatanadgit W,Junkaew P,Singhatanadgid P

    更新日期:2016-01-01 00:00:00

  • Measurement of the remaining dentin thickness using optical coherence tomography for crown preparation.

    abstract::This study aimed to investigate the maximum depth imaging and optical properties of the dentin near the pulp by using optical coherence tomography (OCT) and to explore the possibility of measuring the remaining dentin thickness (RDT). Human third molars were used. In experiment 1, the cuspal dentin blocks (0.50-mm to ...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2013-303

    authors: Fujita R,Komada W,Nozaki K,Miura H

    更新日期:2014-01-01 00:00:00

  • Multi-purpose bonding performance of newly synthesized phosphonic acid monomers.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.26.105

    authors: Ikemura K,Tay FR,Nishiyama N,Pashley DH,Endo T

    更新日期:2007-01-01 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

  • Mold filling and microhardness of 1% Fe titanium alloys.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.23.211

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

    更新日期:2004-06-01 00:00:00

  • A biocompatible model for evaluation of the responses of rat periapical tissue to a new zinc oxide-eugenol sealer.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2010-095

    authors: Mutoh N,Tani-Ishii N

    更新日期:2011-01-01 00:00:00

  • Long-term evaluation of warm-air treatment effect on adaptation of silane-containing universal adhesives to lithium disilicate ceramic.

    abstract::The effect of warm air-blowing on the sealing ability of two one-bottle and one two-bottle silane-containing universal adhesives (UAs) applied to lithium disilicate ceramics (LDS) was evaluated. Tapered cavities prefabricated in LDS blocks (IPS e.max CAD) were treated by the adhesives, air-blown either with normal air...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.2020-057

    authors: Kaykhine P,Tichy A,Abdou A,Hosaka K,Foxton RM,Sumi Y,Nakajima M,Tagami J

    更新日期:2020-10-24 00:00:00

  • Simulation of transient thermal stress in gypsum-bonded investment.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.15.121

    authors: Asaoka K,Tesk JA

    更新日期:1996-12-01 00:00:00

  • In vivo wear pattern of experimental composite resins containing different filler components.

    abstract::Using a scanning electron microscope (SEM) and an electron probe surface roughness analyzer (ERA), we conducted the in vivo study of the effect of various filler components on the wear of composite resins. Experimental light-cured composite resins were prepared employing three different filler components; -(1) Silica ...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.13.36

    authors: Sekiya K,Okamoto A,Fukushima M,Iwaku M

    更新日期:1994-06-01 00:00:00

  • Effects of dental porcelain containing silver nanoparticles on static fatigue.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2012-266

    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

  • Antibacterial and pro-osteogenic effects of β-Defensin-2-loaded mesoporous bioglass.

    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

    pub_type: 杂志文章

    doi:10.4012/dmj.2020-105

    authors: Ren L,Zhang Z,Deng C,Zhang N,Li D

    更新日期:2020-12-24 00:00:00

  • The application of fluorinated aromatic dimethacrylates to experimental light-cured radiopaque composite resin, containing barium-borosilicate glass filler--a progress in nonwaterdegradable properties.

    abstract::This study investigated the durability, especially the nonwaterdegradable qualities, of experimental light-cured composite resin containing barium-borosilicate glass filler. For this purpose, Bis-GMA, a typical component of base monomer in conventional composite resin, was replaced by Bis-GMA-F which is water-repellen...

    journal_title:Dental materials journal

    pub_type: 杂志文章

    doi:10.4012/dmj.12.1

    authors: Tanaka J,Inoue K,Masamura H,Matsumura K,Nakai H,Inoue K

    更新日期:1993-06-01 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