Machining accuracy of crowns by CAD/CAM system using TCP/IP: influence of restorative material and scanning condition.

abstract：:This study evaluated the influence of an aqueous propolis-based solution (PROP) on gap formation and bond strength of posts bonded to root canal dentin using resin cements. Endodontically-treated bovine incisors received different irrigation protocols: 1) 2.5% sodium hypochlorite (NaOCl)/17% EDTA/NaOCl; 2) saline solu...

journal_title：Dental materials journal

authors： Matochek MHM,Tomaz PLS,Oliveira TS,Polassi MR,Alonso RCB,Scremin FM,Sauro S,Marcucci MC,D'Alpino PHP

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：:The purpose of this study was to propose a new numerical modeling of the glass fiber cloth reinforced denture base resin (GFRP). The proposed model is constructed with an isotropic shell, beam and orthotropic shell elements representing the outmost resin, interlaminar resin and glass fiber cloth, respectively. The pro...

journal_title：Dental materials journal

authors： Tanimoto Y,Nishiwaki T,Nishiyama N,Nemoto K,Maekawa Z

更新日期：2002-06-01 00:00:00

abstract：:Sixteen alloys and five pure metals were used and the open circuit potentials (OCP) and the coupled potentials with titanium were measured in five kinds of solutions. All alloys and metals showed the maximum OCP in 1.3% lactic acid solution, and the minimum in 0.01% sodium sulfide solution. The coupled potential depen...

journal_title：Dental materials journal

authors： Nakayama M,Ando N

更新日期：2001-03-01 00:00:00

abstract：:The aim was to investigate the effect of simulated low-temperature degradation (s-LTD) and hydrothermal fatigue on the degradation of three ZrO(2)-based dental materials. Lava, IPS, and NanoZr discs were randomly assigned to (1) Control-Storage in distilled water at 37°C; (2) Aging at 134°C for 5 h (s-LTD); (3) Thermo...

journal_title：Dental materials journal

authors： Perdigão J,Pinto AM,Monteiro RC,Braz Fernandes FM,Laranjeira P,Veiga JP

更新日期：2012-01-01 00:00:00

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 a...

journal_title：Dental materials journal

authors： Inoue T,Takahashi H,Nishimura F

更新日期：2002-03-01 00:00:00

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

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

更新日期：2020-12-03 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：: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：: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

authors： Singhatanadgit W,Junkaew P,Singhatanadgid P

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 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：: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

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

abstract：:The effectiveness of a barbituric acid/copper (II) chloride initiator system in dentin was examined in terms of the effects of barbituric acid structures and dentin conditioners on bond strength. Curing times and tensile bond strengths to bovine dentin were measured for PMMA/MMA resins in conjunction with initiators c...

journal_title：Dental materials journal

authors： Suzuki A,Imai Y

更新日期：1995-12-01 00:00:00

abstract：:This study tested whether exhaled humid conditions would affect the adhesion of etch-and-rinse, two-step and one-step self-etch adhesive resins to enamel. Enamel surfaces of human maxillary anterior teeth (N=240, n=20) were exposed to four humid conditions (H1: 63-68%, H2: 73-78%, H3: 93-98%, H4: 36-45% RH) during bon...

journal_title：Dental materials journal

authors： Bavbek AB,Demir E,Goktas B,Ozcopur B,Behram B,Eskitascioglu G,Ozcan M

更新日期：2013-01-01 00:00:00

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

authors： Kadoma Y

更新日期：2003-09-01 00:00:00

abstract：:The physical properties of experimental visible light-activated resins containing dyestuff, which could be quickly discolored by irradiation was, evaluated by analyzing light absorbance characteristics and measuring micro Vickers hardness. The experimental resin, which was prepared by mixing equivalent weights of Bis ...

journal_title：Dental materials journal

authors： Nakazato J,Itoh K,Wakumoto S

更新日期：1989-12-01 00:00:00

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：:In this study, two types of porous zirconia and dense zirconia were used. The flexural strength of non-layered zirconia specimens and those of the layered zirconia specimens with veneering porcelain were examined. Furthermore, the shear bond strength of veneering porcelain to zirconia was examined. The flexural streng...

journal_title：Dental materials journal

authors： Nakamura T,Sugano T,Usami H,Wakabayashi K,Ohnishi H,Sekino T,Yatani H

更新日期：2014-01-01 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：:The aim of the study was to evaluate bone regeneration using a canine model with surgically created periodontal defects filled for 12 weeks using a stratified biomaterial consisting in a biphasic calcium phosphate (BCP) covered with a crosslinking hydrogel acting as polymer membrane of silated hydroxypropyl methylcell...

journal_title：Dental materials journal

authors： Struillou X,Fruchet A,Rakic M,Badran Z,Rethore G,Sourice S,Fellah BH,LE Guehennec L,Gauthier O,Weiss P,Soueidan A

更新日期：2018-09-30 00:00:00

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

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

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：: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：:The blending effect (BE) plays an important role in esthetics of the composite resin. The objective of this study was to determine the extents to which filler size and content affect the BE. Three types of fillers (0.7, 1.0, and 1.5 µm) were mixed at weight contents of 60, 70, 75, and 80%. This study simulated clinica...

journal_title：Dental materials journal

authors： Suh YR,Ahn JS,Ju SW,Kim KM

更新日期：2017-01-31 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 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 aim of this study was to investigate in how far the way the specimen is fixed to the testing device influences the micro-tensile bond strength of adhesives to dentin. Compared to a flat jig, a notched jig enables the specimen to be aligned easier and more accurately perpendicular to the interface, thereby concentr...

journal_title：Dental materials journal

authors： Poitevin A,De Munck J,Van Landuyt K,Coutinho E,Peumans M,Lambrechts P,Van Meerbeek B

更新日期：2007-09-01 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：:The kinetic polymerization behavior of 2,2,2-trifluoroethyl methacrylate (TFEMA), 1,1,1,3,3,3-hexafluoroisopropyl methacrylate (HFIPMA), 2,2,2-trifluoroethyl acrylate (TFEA) and 1,1,1,3,3,3-hexafluoroisopropyl acrylate (HFIPA) was determined by isothermal differential scanning calorimetry (DSC) and high-performance li...

journal_title：Dental materials journal

authors： Kadoma Y

更新日期：2010-10-01 00:00:00