Micro-shear bond strength of adhesive resins to enamel at different relative humidity conditions.

abstract：:This study was designed to examine the effects of dose of recombinant human BMP-2 (rhBMP-2) on bone formation at palatal sites in 10-week-old (10w) and 70-week-old (70w) rats, when combined with a polylactate-polyglycolate copolymer/gelatine sponge (PGS). New bone formation was observed at six weeks after implantation...

journal_title：Dental materials journal

authors： Yamaji K,Kawanami M,Matsumoto A,Odajima T,Nishitani Y,Iwasaka K,Yoshimitsu K,Yoshiyama M

更新日期：2007-07-01 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 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：:The three-dimensional dynamic movement of the abutment tooth was successfully analyzed on a simulation model utilizing the mandibular kinesiography. When the unilateral free-end denture retained by the RPA, RPI or Aker's clasp was subjected to various directions of loads, the abutment tooth was inclined mainly by the ...

journal_title：Dental materials journal

authors： Morikawa M,Masumi S,Kido H,Toyoda S,Kozono Y

更新日期：1989-06-01 00:00:00

abstract：:A new type of self-etching agent, the single-step adhesive, was developed. The purpose of this study was to investigate the difference in the ultrastructural features of enamel and dentin surfaces following application of the prototype single-step adhesive (EXM618, 3M, MN, USA). Extracted caries-free human premolars w...

journal_title：Dental materials journal

authors： Han L,Cruz E,Fukushima M,Okamoto A,Okiji T

更新日期：2004-09-01 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：: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：:The behavior of microencapsulated polymerization initiators in dental adhesives is unknown. This study investigated the effects of new microencapsulated initiators in novel, multi-purpose, PMMA-type adhesive resin on the bonding performance and polymerization reactivity. Microencapsulated BPO and 1,3,5-trimethylbarbit...

journal_title：Dental materials journal

authors： Fuchigami K,Ikemura K,Ichizawa K

更新日期：2008-01-01 00:00:00

abstract：:The purpose of this study was to analyze the ultrastructures and chemical compositions of precipitates formed on mineral trioxide aggregate (MTA; White ProRoot MTA) immersed in distilled water (DW) or phosphate buffered saline (PBS), based on the attribution that MTA's bioactivity and sealing ability are influenced by...

journal_title：Dental materials journal

authors： Han L,Okiji T,Okawa S

更新日期：2010-10-01 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 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：: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：:The purpose of this study was to examine the antibacterial activity of composite resin with glass-ionomer filler particles versus that of contemporary commercial composite resins. Three composite resins were used: Beautifil II (containing S-PRG filler), Clearfil AP-X, and Filtek Z250. Resin blocks were bonded to maxil...

journal_title：Dental materials journal

authors： Saku S,Kotake H,Scougall-Vilchis RJ,Ohashi S,Hotta M,Horiuchi S,Hamada K,Asaoka K,Tanaka E,Yamamoto K

更新日期：2010-03-01 00:00:00

abstract：:This study investigated transformations of nickel-titanium wires using differential scanning calorimetry (DSC) and thermomechanical analysis (TMA) under tensile load (100 gf or 500 gf). Two nickel-titanium wires, 35°C Copper Ni-Ti and Nitinol SE, were selected. DSC analyses were performed between -90° and 100°C. Speci...

journal_title：Dental materials journal

authors： Iijima M,Ohta M,Brantley WA,Naganishi A,Murakami T,Muguruma T,Mizoguchi I

更新日期：2011-01-01 00:00:00

abstract：:Though zirconia has been used in dental implant fixtures, the biocompatibility of the zirconia surface is not optimal for the surrounding tissue, and many surface modifications have been attempted. We have developed a novel method for improving the biocompatibility of zirconia by incorporating Ca ions. Elemental analy...

journal_title：Dental materials journal

authors： Sasaki K,Hayashi T,Asakura M,Ando M,Kawai T,Ban S

更新日期：2015-01-01 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 extent of polymerization of light-cured composite resins cured in relatively large class II cavities was estimated by measuring Knoop hardness on sectioned surfaces of resin restorations. The influences of the incremental placement technique, exposure time, and post-curing of resin inlay on the extent of polymeriz...

journal_title：Dental materials journal

authors： Hirabayashi S,Hood JA,Hirasawa T

更新日期：1993-12-01 00:00:00

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

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

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

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

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

authors： Nomoto R,Hirasawa T

更新日期：1999-06-01 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：: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 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：:The mechanical properties of resin-modified "hybrid" glass-ionomers, for both restorative and liner/base applications, were assessed by a flexural test and compared with those of conventional acid-base glass-ionomers. Flexural strength, flexural modulus, and the modulus of resilience were determined 30 minutes after m...

journal_title：Dental materials journal

authors： Momoi Y,Hirosaki K,Kohno A,McCabe JF

更新日期：1995-12-01 00:00:00

abstract：:An experimental conditioner (Exp), which was an aqueous solution of 10% ascorbic acid and 5% ferric chloride, was prepared in this study. This study evaluated the effect of Exp on the microtensile bond strength between a self-curing resin and dentin after long-term water immersion. Flat human dentin surfaces were sequ...

journal_title：Dental materials journal

authors： Soeno K,Taira Y,Ito S

更新日期：2012-01-01 00:00:00

abstract：:This study evaluated the effects of ceramic surface treatment agents on shear bond strengths to ceramic materials with and without thermocycling. Ceramic plates were prepared from feldspathic ceramic; AAA, lithium disilicate ceramic material; IPS e.max Press, zirconia ceramic; Lava. Ceramic surfaces were pretreated wi...

journal_title：Dental materials journal

authors： Noda Y,Nakajima M,Takahashi M,Mamanee T,Hosaka K,Takagaki T,Ikeda M,Foxton RM,Tagami J

更新日期：2017-11-29 00:00:00

abstract：:The objective was to compare bond strengths of adhesives with/without thermocycling and to analyze the micromorphology of resindentin interfaces. Flat dentin surfaces were prepared and divided into eight groups to bond with four etch-and-rinse adhesives (Optibond FL, Adper Scotchbond Multi-Purpose, Optibond Solo Plus,...

journal_title：Dental materials journal

authors： Sangwichit K,Kingkaew R,Pongprueksa P,Senawongse P

更新日期：2016-01-01 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 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

abstract：:Thermal misfit is deemed as one reason for the chipping of veneered zirconia restorations. Aim of the present study was to assess the effect of thermal misfit on the fracture load of veneered zirconia frameworks and to evaluate the applicability of a universal veneering ceramic for both zirconia and titanium framework...

journal_title：Dental materials journal

authors： Fischer J,Stawarczyk B,Tomic M,Strub JR,Hämmerle CH

更新日期：2007-11-01 00:00:00