The evaluation of the desensitization effect of a desensitizing agent and desensitizing toothpastes in vitro.

abstract：:The bonding efficacy of sclerotic dentin was determined by measuring the polymerization contraction gap width of a commercial light-activated resin composite in a cervical defect and by measuring the micro-Vicker's hardness at the dentin adhesive surface; morphological characteristics were observed using a scanning el...

journal_title：Dental materials journal

authors： Tani C,Itoh K,Hisamitsu H,Wakumoto S

更新日期：2001-12-01 00:00:00

abstract：:The purpose of present investigation was to compare the cyto-genotoxicity induced by five dental alloys in vitro. The cyto-genotoxicity induced by five dental alloy extracts on human B lymphoblast cells was assessed with neutral red uptake (NRU) , CCK-8, comet and micronucleus (CBMN) assays in vitro, respectively. The...

journal_title：Dental materials journal

authors： Zhihong C,Yezhen L,Zhiyuan G,Zhongqiao Y,Xiaoxue L,Yifeng R,Weikun F,Jiliang H

更新日期：2011-01-01 00:00:00

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

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

abstract：:This study evaluated and compared the influence of different supporting abutment models on the fracture loads of three-unit fixed dental prostheses (FDPs) fabricated from the following materials (n=24/material): (i) IPS e.max CAD-on, (ii) IPS e.max ZirCAD, and (iii) Telio CAD. Twelve FDPs of each group were adhesively...

journal_title：Dental materials journal

authors： Wimmer T,Erdelt KJ,Eichberger M,Roos M,Edelhoff D,Stawarczyk B

更新日期：2014-01-01 00:00:00

abstract：:The aim of this study was to investigate the relationship between the different mechanical properties with the filler fraction of various resin composites. Mechanical properties of eighteen different resin composites were investigated in this study; flexural strength (FS), flexural modulus (FM), fracture toughness (FT...

journal_title：Dental materials journal

authors： Jun SK,Kim DA,Goo HJ,Lee HH

更新日期：2013-01-01 00:00:00

abstract：:The clinical feasibility of a novel device called a Cariotester was investigated by measuring the Knoop hardness (KHN) of white spot lesions diagnosed as ICDAS code 1, 2 or 3. To obtain an equation for converting the Cariotester indentation depth into the KHN, a regression analysis was performed between the depth and ...

journal_title：Dental materials journal

authors： Shimizu A,Yamamoto T,Nakashima S,Nikaido T,Sugawara T,Momoi Y

更新日期：2015-01-01 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：:The objective of the study was to compare 1) the mean micro-shear bond strength and 2) failure mode of cements to metals in nonenclosed and mold-enclosed specimens. Specimens were prepared in mold-enclosed and non-enclosed formats from two RMGIC's and a self-adhesive resin-cement. 3-way ANOVA analysis and Tukey post h...

journal_title：Dental materials journal

authors： Cheetham JJ,Palamara JE,Tyas MJ,Burrow MF

更新日期：2013-01-01 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：:This study investigated the efficacies of adhesive resin cements (Clearfil SA Luting, Maxcem, G-CEM, RelyX Unicem Clicker, Vitremer Paste) for bonding to Ag-Pd-Cu-Au alloy not surface-pretreated with metal primer. For control, Panavia F 2.0 -developed for use with a proprietary metal primer, Alloy Primer- was tested w...

journal_title：Dental materials journal

authors： Muraguchi K,Minami H,Minesaki Y,Suzuki S,Tanaka T

更新日期：2011-01-01 00:00:00

abstract：:This study aimed to evaluate the inhibitory effect of experimental pastes containing surface pre-reacted glass ionomer (S-PRG) fillers on enamel demineralization. Bovine blocks were treated twice a day for 4 days by 7 groups; experimental pastes containing 0-30 wt% S-PRG filler (S00, S01, S05, S10, and S30), deionized...

journal_title：Dental materials journal

authors： Nakamura K,Hamba H,Nakashima S,Sadr A,Nikaido T,Oikawa M,Uo M,Tagami J

更新日期：2017-07-26 00:00:00

abstract：:This study evaluated the effects of combining enamel microabrasion and dental bleaching on the physical properties of enamel, using in vitro and in situ conditions and evaluating surface roughness, enamel microhardness and scanning electron microscopy images. One hundred sound bovine teeth were sectioned and cut into ...

journal_title：Dental materials journal

authors： Franco LM,Machado LS,Salomão FM,Dos Santos PH,Briso AL,Sundfeld RH

更新日期：2016-01-01 00:00:00

abstract：:The present study investigated the influences of a denture strengthener on the deformation of a maxillary complete denture. Three groups of maxillary complete dentures were fabricated (Group 1 without a strengthener; Group 2 with a Co-Cr alloy wire strengthener; Group 3 with an experimental fiberglass strengthener). T...

journal_title：Dental materials journal

authors： Hirajima Y,Takahashi H,Minakuchi S

更新日期：2009-07-01 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：:This study evaluated the influence of heat treatment (HT) of the silane on the microtensile bond strength of resin cement to a feldspathic ceramic. Ceramic (VITA VM7) and composite blocks (N=32) were divided into four groups (n=6 for bond test, n=2 for SEM) at random and subject to following sequence of conditioning: ...

journal_title：Dental materials journal

authors： de Carvalho RF,Martins ME,de Queiroz JR,Leite FP,Ozcan M

更新日期：2011-01-01 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：: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：:This research was conducted to investigate the bond strength between artificial teeth and a thermoplastic denture base resin for injection molding with different surface preparations for use in flexible resin removable partial dentures. Composite resin denture teeth and acrylic denture resin teeth were bonded to three...

journal_title：Dental materials journal

authors： Tashiro S,Kawaguchi T,Hamanaka I,Takahashi Y

更新日期：2021-01-15 00:00:00

abstract：:Surface replication is a nondestructive evaluation technique applied in examining surfaces' cracks/wear. This is quite valuable when the surface of interest cannot be further manipulated by cutting or polishing to fit directly under a microscope. Replication by acetate sheets is one of the techniques applied in indust...

journal_title：Dental materials journal

authors： Ijbara M,Wada K,Wada J,Jayawardena JA,Miyashin M

更新日期：2019-02-08 00:00:00

abstract：:Two types of patterns were tested for castability: 1) polyester mesh pattern (20mm x 22mm with 100 open squares) and 2) 20mm x 20mm wax plates 1.0 and 1.5 mm in thickness. These materials were invested using a pre-arranged commercial phosphate-bonded investment for titanium. Three different types of casting machines w...

journal_title：Dental materials journal

authors： Takahashi J,Zhang JZ,Okazaki M

更新日期：1993-12-01 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：: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 aim of this study was to determine the effect of autoclave polymerization on the transverse strength of denture base polymers. To this end, 30 rectangular test specimens were fabricated of two heat-polymerized denture base polymers. The test groups were: (I) control, i.e., conventional water bath to polymerize res...

journal_title：Dental materials journal

authors： Durkan R,Ozel MB,Bağiş B,Usanmaz A

更新日期：2008-07-01 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：: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

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

更新日期：2012-01-01 00:00:00

abstract：:The influence of a thin carbonate-containing hydroxyapatite (CA) coating to tetragonal zirconia polycrystal (TZP) on osteoblastlike cell response was investigated. TZP disks were subjected to blasting and acid etching. Thin CA coatings were deposited by the molecular precursor method (TZP-CA). Initial cell adhesion of...

journal_title：Dental materials journal

authors： Kaneko H,Sasaki H,Honma S,Hayakawa T,Sato M,Yajima Y,Yoshinari M

更新日期：2014-01-01 00:00:00

abstract：:The corrosion behavior of three Ni-Ti alloys with compositions as commercial super-elastic orthodontic wires was investigated using polished plate specimens. Corrosion resistance was estimated by potentiodynamic polarization measurement in 0.9% NaCl and 1% lactic acid solutions and analysis of released metals by atomi...

journal_title：Dental materials journal

authors： Iijima M,Endo K,Ohno H,Mizoguchi I

更新日期：1998-03-01 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：:The cream type of denture adhesives after use cannot be easily removed from oral mucosa and have the potential risk to change the oral flora. The effects of the temperature-responsive hydrogel Pluronic F-127 (PF) on the complex viscosity of denture adhesives were evaluated. Carboxy methylcellulose (CMC) mass fractions...

journal_title：Dental materials journal

authors： Zhao H,Akiba N,Tanimoto H,Yoshizaki T,Yalikun K,Minakuchi S

更新日期：2016-01-01 00:00:00

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

authors： Taira M,Okazaki M,Takahashi J

更新日期：1997-12-01 00:00:00