Micro computed tomography evaluation of the Self-adjusting file and ProTaper Universal system on curved mandibular molars.

abstract：:The effects of desensitizer, disinfectant, saliva, blood, and hydrogen peroxide on the tensile bond strength between adhesive and ceramic as well as between adhesive and dentin were examined. Sixty 7x3 mm pressed ceramic discs of IPS e.max were fabricated and randomly assigned to six groups of different dentin surface...

journal_title：Dental materials journal

authors： Zortuk M,Kilic K,Gurbulak AG,Kesim B,Uctasli S

更新日期：2010-08-01 00:00:00

abstract：:The aim of the present study was to measure various mechanical properties of acrylic denture base resins, including flexural modulus, flexural strength, fracture toughness, Barcol and Vickers hardness and their related properties, and to investigate correlations between different mechanical properties. Resin specimens...

journal_title：Dental materials journal

authors： Lee HH,Lee CJ,Asaoka K

更新日期：2012-02-03 00:00:00

abstract：:The purpose of this study was to investigate the retention force of complete palate coverage and palate-less dentures made with three polymerization systems (DS system, SR-Ivocap system, microwave polymerization system) in vitro. The retention force between each denture and a polyurethane model by intervening artifici...

journal_title：Dental materials journal

authors： Teraoka F,Nakagawa M,Takahashi J

更新日期：2004-03-01 00:00:00

abstract：:The purpose of the this study was to evaluate the cytotoxicity of dental resin monomers in the presence of a rat liver S9 mix containing cytochrome P 450 enzymes. JTC-12 cells derived from a monkey kidney were seeded on a 96-well multi-well-plate at 9 x 10(3) cells per well. After cultivation, the S9 mix was added to ...

journal_title：Dental materials journal

authors： Hikage S,Sato A,Suzuki S,Cox CF,Sakaguchi K

更新日期：1999-03-01 00:00:00

abstract：:This study was carried out to investigate the influences of elastic moduli of the dowel-core combination on the stress distribution in the root by the use of 2-dimensional finite element analysis. The peak stress at the dowel-cement interface was influenced strongly by a change of elastic modulus of the post (from 20,...

journal_title：Dental materials journal

authors： Ukon S,Moroi H,Okimoto K,Fujita M,Ishikawa M,Terada Y,Satoh H

更新日期：2000-03-01 00:00:00

abstract：:The depths of calcium-ion incorporation into a commercially pure titanium and an experimental beta-type titanium alloy were determined using Auger electron spectroscopy. After the electrochemical deposition of apatite, new compositional gradients appeared in the profiles in which the Ca and P concentrations gradually ...

journal_title：Dental materials journal

authors： Ban S,Kamiya A,Sonoda T

更新日期：2002-12-01 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：:Comparative studies on two-body sliding wear resistance were performed between a hybrid composite resin and conventional light-curing composite veneering materials. This study investigated the wear resistance of hybrid composite resins compared with three composite resin veneering materials for 12%Au-Ag-Pd alloy, the ...

journal_title：Dental materials journal

authors： Suese K,Kawazoe T

更新日期：2002-09-01 00:00:00

abstract：:This study evaluated the biomineralization and dentinal tubules occlusion abilities of the carboxyl-terminated polyamidoamine dendrimer (PAMAM-COOH) on human demineralized dentin in vivo at different time points. Demineralization dentin model with and without treated with PAMAM-COOH were sutured to the interior side o...

journal_title：Dental materials journal

authors： Xie F,Wei X,Li Q,Zhou T

更新日期：2016-01-01 00:00:00

abstract：:The aim of the present study was to examine whether interconnected porous hydroxyapatite ceramics (IP-CHA) could be used as bone substitute for implant treatment in reconstructive surgery. We firstly assessed if surround of the titanium surface placed into granular or block-type IP-CHA can observe new bone formation i...

journal_title：Dental materials journal

authors： Minami M,Takechi M,Ohta K,Ohta A,Ninomiya Y,Takamoto M,Fukui A,Tada M,Kamata N

更新日期：2013-01-01 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：: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 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 objective of this study is to develop a casting investment that prevents the blackening of the cast surface of noble metal alloys. The experimental investments were prepared using a gypsum-bonded investment in which the metallic powders such as boron (B), silicon (Si), aluminum (Al) and titanium (Ti) were added as...

journal_title：Dental materials journal

authors： Kakuta K,Nakai A,Goto S,Wakamatsu Y,Yara A,Miyagawa Y,Ogura H

更新日期：2003-03-01 00:00:00

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

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

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 purpose of this study was to evaluate the effects of ultrasonic and manual placement techniques on the push-out bond strength of Biodentine and MTA with and without calcium chloride. One hundred and twenty mid-root slices from forty freshly extracted single-rooted human mandibular premolar teeth were instrumented ...

journal_title：Dental materials journal

authors： Küçükkaya Eren S,Aksel H,Serper A

更新日期：2016-10-01 00:00:00

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

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

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

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

更新日期：2008-01-01 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：:To improve the bioactivity of titanium surfaces, glow discharge was used to facilitate collagen grafting on titanium disks. Titanium test specimens were pre-treated by glow discharge fed with a mixture of argon and allylamine (AA) gases. Treated titanium disks were then grafted with type I collagen using glutaraldehyd...

journal_title：Dental materials journal

authors： Chang WJ,Ou KL,Lee SY,Chen JY,Abiko Y,Lin CT,Huang HM

更新日期：2008-05-01 00:00:00

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

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

更新日期：2020-01-31 00:00:00

abstract：:High-power light-curing units have emerged that reduce the time of procedures in dental clinical work. However, patients sometimes complain of pain during the polymerization of composite resin. In this experiment, we investigated how differences in light-curing mode affect the temperature rise during composite resin p...

journal_title：Dental materials journal

authors： Hori M,Fujimoto K,Asakura M,Nagase Y,Mieki A,Kawai T

更新日期：2019-07-31 00:00:00

abstract：:The aim of this review is to evaluate the long-term effectiveness of calcium silicate-based cement (CS) and calcium hydroxide (CH) for direct pulp capping (DPC) to human pulp-exposed permanent teeth. An electronic search and manual search were performed on 21 June 2019. Long-term clinical and radiographic evaluations ...

journal_title：Dental materials journal

authors： Matsuura T,Ziauddin SM,Kawata-Matsuura VKS,Sugimoto K,Yamada S,Yoshimura A

更新日期：2020-10-01 00:00:00

abstract：:The mechanical properties of polycarboxylate cements containing 20 mass% of four kinds of aluminoborate whiskers with different fiber lengths and diameters were evaluated. Bending strength of the cements increased with increase in fiber length, whereby the strength of the cement with the longest fiber was about two ti...

journal_title：Dental materials journal

authors： Kurata S,Umemoto K

更新日期：2008-07-01 00:00:00

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

authors： Asaoka K,Tesk JA

更新日期：1996-12-01 00:00:00

abstract：:This study evaluated the effect of resin coating (COA) on dentin bond strength (BS) of five resin cements (RC). Ten groups were tested, according to RC and COA combinations. RCs were applied onto prepolymerized resin discs, which were bonded to dentin surfaces. Teeth were stored in water for 24 h, subjected to 5,000 t...

journal_title：Dental materials journal

authors： Giannini M,Takagaki T,Bacelar-Sá R,Vermelho PM,Ambrosano GM,Sadr A,Nikaido T,Tagami J

更新日期：2015-01-01 00:00:00

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

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

更新日期：2006-09-01 00:00:00

abstract：:This study investigated hydrogen peroxide (H2O2) concentration of two home bleaching gels, in their dispensing syringes and their degradation in vivo in intraoral bleaching trays. Two bleaching gels were studied, 7.5% hydrogen peroxide (HP) and 20% carbamide peroxide (CP). The concentration of H2O2 was determined in d...

journal_title：Dental materials journal

authors： Alonso De La Peña V,Rodriguez Carreira A,Corral Aneiros R,López Ratón M,Guitián Rivera F

更新日期：2013-01-01 00:00:00

abstract：:The influence of temperature and relative humidity (RH) on the bond strength of orthodontic adhesives was investigated. Two self-etching/composite type, one acid-etching/composite type, and one acid-etching/PMMA type of adhesives were examined under different temperature and RH conditions. Orthodontic brackets were bo...

journal_title：Dental materials journal

authors： Rikuta A,Yoshida T,Tsubota K,Tsuchiya H,Tsujimoto A,Ota M,Miyazaki M

更新日期：2008-09-01 00:00:00