Changes on NiTi orthodontic wired due to acidic fluoride solution.

abstract：:The objective of this study was to test the hypothesis that thermal cycling weakens the flexural strength of porcelain. Specimens of Deguceram Gold and Vita Omega 900 were tested in four groups of 30 specimens each: in the original glazed condition versus being ground with 1000-grit, 600-grit, and 100-grit silicon car...

journal_title：Dental materials journal

authors： Nakamura Y,Hojo S,Sato H

更新日期：2009-07-01 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：: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：: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：:The objective of this study was to clarify the effect of surface topography on osteoblast-like cell behavior on yttria stabilized tetragonal zirconia polycrystals (TZP). Mirror-polished; blasted with 50- or 150-µm alumina (SB50 and SB150); and SB150 acid-etched with hydrofluoric acid (SB150E) were prepared on TZP. Ini...

journal_title：Dental materials journal

authors： Ito H,Sasaki H,Saito K,Honma S,Yajima Y,Yoshinari M

更新日期：2013-01-01 00:00:00

abstract：:The in vitro dentin permeability of the constituents of two types of conventional phosphoric acid etching agents which had different viscosities, and their pH changes after being permeated dentin were investigated. It was recognized that, even though the etching was for a short time (one minute) followed by rinsing, t...

journal_title：Dental materials journal

authors： Ishikawa K,Ito S,Hata Y

更新日期：1989-12-01 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：: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：:Present study evaluated effects of addition of Nanoparticles fluorapatite (Nano-FA) on microhardness and fluoride release of a Glass Ionomer Cement (GIC, Fuji IX GP Fast). Forty-eight specimens prepared, divided equally into 4 groups (2 with Nano-FA); after 24 h and one week Vickers microhardness (HV) was measured. Na...

journal_title：Dental materials journal

authors： Moshaverinia M,Borzabadi-Farahani A,Sameni A,Moshaverinia A,Ansari S

更新日期：2016-01-01 00:00:00

abstract：:This study aimed to investigate the in vitro biological response of human dental pulp cells to glass ionomer cement (GIC, Fuji IX GP(®)) containing 2.5% magnesium carbonate apatite (MgCO(3)Ap). MgCO(3)Ap was synthesized by wet method and characterized using FT-IR, XPS, and SEM. Fuji IX GP(®) served as a control. Test ...

journal_title：Dental materials journal

authors： Laiteerapong A,Lochaiwatana Y,Hirata I,Okazaki M,Mori K,Murakami S,Poolthong S

更新日期：2012-01-01 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：:This study sought to evaluate the effects of different staining solutions on the colour stability of nanocomposites compared with microhybrid resin and to evaluate the degree of conversion of these two materials. Two different shades of two different composites were cured in polytetraflouroethylene disk rings. Coffee,...

journal_title：Dental materials journal

authors： Al Kheraif AA,Qasim SS,Ramakrishnaiah R,Ihtesham ur Rehman

更新日期：2013-01-01 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：:Ag-Pd-Cu-Au alloy was subjected to a Thermo-Mechanical Analyzer to investigate high temperature properties up to its liquidus temperature. Microstructural examination and elemental analysis with EPMA were also conducted in the solid/liquid mixture region. The following conclusions were obtained. (1) The solidus temper...

journal_title：Dental materials journal

authors： Nagasawa S,Yoshida T,Mizoguchi T,Terashima N,Ito M,Platt JA,Oshida Y

更新日期：2003-09-01 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：:The aim of this study was to investigate the diffusion of red-stained experimental GM primer and blue-stained dentin bonding agent into EDTA-conditioned dentin and the effect of GM priming on contraction gap formation. After GM priming at 0, 35, 70, or 100 vol%, marginal adaptation was evaluated by measuring the wall-...

journal_title：Dental materials journal

authors： Nasu Y,Itoh K,Tani C,Hisamitsu H

更新日期：2010-10-01 00:00:00

abstract：:The aim of this study was to investigate and compare the radio-opacity of core materials for all-ceramic restorations, such as zirconia (NANOZR and Y-TZP) and alumina, against commercially pure titanium (cpTi) and aluminum. X-ray images were taken under general settings using an X-ray film. The X-ray film images were ...

journal_title：Dental materials journal

authors： Okuda Y,Noda M,Kono H,Miyamoto M,Sato H,Ban S

更新日期：2010-01-01 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：: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：: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：: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

authors： Nakagawa M,Matsuya S,Udoh K

更新日期：2002-06-01 00:00:00

abstract：:To evaluate the cytotoxicity of resin cements on dental pulp-derived cells (bDPCs), Bifix QM (BQM), Choice 2(C2), RelyX U200(RU200), Maxcem Elite(ME), and Multilink Automix(MA) were tested. The materials were incubated in DMEM for 72 h. A real-time cell analyzer was used to evaluate cell survival. The statistical anal...

journal_title：Dental materials journal

authors： Arslan Malkoç M,Demir N,Şengün A,Bozkurt ŞB,Hakki SS

更新日期：2015-01-01 00:00:00

abstract：:The aim of this investigation was to compare the cleaning and shaping efficiency of Self-adjusting file and Protaper, and to assess the correlation between root canal curvature and working time in mandibular molars using micro-computed tomography. Twenty extracted mandibular molars instrumented with Protaper and Self-...

journal_title：Dental materials journal

authors： Serefoglu B,Piskin B

更新日期：2017-09-26 00:00:00

abstract：:Major histocompatibility complex (MHC) class II molecule-expressing cells and macrophages play a pivotal role in mediating the host tissue response to biomaterials. This study investigated the responses of these cells to epoxy resin-based and 4-META-containing, methacrylate resin-based endodontic sealers (AH Plus and ...

journal_title：Dental materials journal

authors： Yamanaka Y,Shigetani Y,Yoshiba K,Kaneko T,Yoshiba N,Okiji T

更新日期：2013-01-01 00:00:00

abstract：:The aim of this study was to investigate the effects of potassium fluoride (KF) and sodium fluoride (NaF) in different concentrations on micro-shear bond strength (µSBS) and their protective effects against acid. The enamel blocks were treated with several concentrations of KF and NaF. For µSBS, Clearfil SE Bond 2 was...

journal_title：Dental materials journal

authors： Al-Qahtani A,Inoue G,Abdou A,Nikaido T,Tagami J

更新日期：2020-10-27 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：:This study assessed the impact of surface treatments and repair resin reinforcement with zirconium oxide nano-particles (nano-ZrO2) on flexural strength (FS) of repaired denture base. A total of 320 heat-polymerized acrylic resin specimens were prepared and sectioned creating 2-mm gap. According to repair surface trea...

journal_title：Dental materials journal

authors： Gad MM,Rahoma A,Abualsaud R,Al-Thobity AM,Akhtar S,Helal MA,Al-Harbi FA

更新日期：2020-06-05 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：: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：:This study evaluated the irrigation extrusion and smear layer (SL) removal of continuous ultrasonic irrigation (CUI). Forty root canals were shaped, embedded in warm sterile saline agar colored with 1% acid red, and distributed into four groups; three groups had the final irrigation sequence of sodium hypochlorite and...

journal_title：Dental materials journal

authors： Jamleh A,Suda H,Adorno CG

更新日期：2018-01-30 00:00:00