Influence of bonded amalgam restorations on the fracture strength of teeth.

abstract：:The purpose of this study was to determine if the actual concentration of bleaching agents available in four different countries were the same as the label indicated and within the recommendations of the International Standard on Tooth Whitening. The method recommended for assaying peroxide by the United States Pharma...

journal_title：Operative dentistry

authors： Matis BA,Matis JI,Wang Y,Monteiro S,Al-Qunaian TA,Millard R

更新日期：2013-05-01 00:00:00

abstract：:The purpose of this study was to find out the degree to which eugenol-containing temporary cements or temporary filling materials affected shear bond strength of a dual-cure resin luting cement to acid-etched enamel. For this purpose 56 human caries-free third molars were embedded in acrylic resin and cross sectioned ...

journal_title：Operative dentistry

authors： Jung M,Ganss C,Senger S

更新日期：1998-03-01 00:00:00

abstract：:The present clinical case report describes the clinical steps of enamel microabrasion associated with dental bleaching to restore severely-pitted fluorosed teeth. The process of removing the fluorotic superficial stains started by using macroabrasion with a water-cooled fine tapered 3195 FF diamond bur. Rubber dam iso...

journal_title：Operative dentistry

authors： Sundfeld D,Pavani CC,Pini N,Machado LS,Schott TC,Sundfeld RH

更新日期：2019-11-01 00:00:00

abstract：:This in vitro study evaluated the amount of fluoride released from fluoride-containing materials over a period of 28 days. Six disk samples (2.06 +/- 0.06 cm2) were prepared of each material and divided at random into seven groups: Group 1: Chelon-Fil; Group 2: Chelon-Silver; Group 3: VariGlass; Group 4: Dyract; Group...

journal_title：Operative dentistry

authors： de Araujo FB,García-Godoy F,Cury JA,Conceição EN

更新日期：1996-09-01 00:00:00

abstract：:Good wettability is one of the desirable physical properties of mercury-free gallium-based alloys (Gallium Alloy GF). However, wettability, while providing good adhesion to the cavity wall, has the adverse effect of causing stickiness to the inside of the capsule during mixing, and also to the metal hand instruments u...

journal_title：Operative dentistry

authors： Momoi Y,Asami Y,Ozawa M,Kohno A

更新日期：1996-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to investigate the clinical performance and to validate the Lesion Activity Assessment (LAA) in conjunction with the International Caries Detection and Assessment System (ICDAS) for occlusal caries diagnosis in permanent teeth. METHODS:Patients with erupted or partially erupted thir...

journal_title：Operative dentistry

authors： Cotta F,de Castilho LS,Moreira AN,Paiva SM,Ferreira EF,Ferreira LC,Magalhães CS

更新日期：2015-09-01 00:00:00

abstract：:This case report illustrates how to restore severely compromised teeth with direct composite restorations. The size of the restorations presented is often considered by dentists as being a contraindication for direct composites. Hence, the technique is explained step by step, addressing the crucial points. ...

journal_title：Operative dentistry

authors： Lenhard M

更新日期：2016-09-01 00:00:00

abstract：:While a one-year report had been previously published, this study was undertaken to evaluate the clinical performance and appearance of a resin-modified glass ionomer and a resin composite over two years. Thirty-seven pairs of restorations of FujI II LC and Z 250/Single Bond were placed in caries-free cervical erosion...

journal_title：Operative dentistry

authors： Brackett WW,Dib A,Brackett MG,Reyes AA,Estrada BE

更新日期：2003-09-01 00:00:00

abstract：:The aims of this study were to investigate 1) the influence of cleansing methods after saliva contamination and 2) aging conditions (thermocycling and water storage) on zirconia shear bond strength (SBS) with a resin cement. One hundred and eighty zirconia specimens were sandblasted with 50 μm aluminum oxide particles...

journal_title：Operative dentistry

authors： Feitosa SA,Patel D,Borges AL,Alshehri EZ,Bottino MA,Özcan M,Valandro LF,Bottino MC

更新日期：2015-03-01 00:00:00

abstract：:The current study evaluated the chromatic influence of high, medium and low value composites on a dentin composite substrate (A2 shade) using spectrophotometric analysis. The specimens were divided into the following four groups: a) control (CG), entirely composed of dentin composite (n = 5); b) high value (GHV), dent...

journal_title：Operative dentistry

authors： Schmeling M,Meyer-Filho A,de Andrada MA,Baratieri LN

更新日期：2010-01-01 00:00:00

abstract：:V-shaped cervical cavities prepared in monkey teeth were restored with several dentin bonding systems, and the in vivo resin-dentin interfacial structures were observed under the scanning electron microscope using an argon-ion etching technique. The hybrid layer could be clearly observed; its depth was dependent on th...

journal_title：Operative dentistry

authors： Shimada Y,Harnirattisai C,Inokoshi S,Burrow MF,Takatsu T

更新日期：1995-09-01 00:00:00

abstract：OBJECTIVE:To study the interfacial ultra-morphology formed by "all-in-one" self-etch adhesives. METHODS:Forty-nine extracted molars were assigned to one of five all-in-one adhesives: Adper Prompt L-Pop (AP, 3M ESPE); Clearfil S3 Bond (S3, Kuraray); G-Bond (GB, GC America); iBond (iB, Heraeus Kulzer) and Xeno IV (XE, D...

journal_title：Operative dentistry

authors： Perdigão J,Lopes MM,Gomes G

更新日期：2008-09-01 00:00:00

abstract：:The available and proposed methods for determining the in vivo occlusal wear values of classes 1 and 2 restorations made of resinfilled composite materials are critically reviewed. A methodology to be used to address the fundamental question of the link between the wear of the in vivo restorations and the relevant mec...

journal_title：Operative dentistry

authors： Lewis G

更新日期：1991-03-01 00:00:00

abstract：:The molar proximal half-crown cast gold restoration may be an ideal choice for the conservative treatment of teeth with only one compromised proximal aspect. ...

journal_title：Operative dentistry

authors： Otterholt DE

更新日期：2010-03-01 00:00:00

abstract：PURPOSE:This study evaluated the amount of residual yellow in cured resin composites when polymerizing with either a quartz-tungsten-halogen (QTH) or blue light-emitting diode (LED). MATERIAL AND METHODS:Twelve shades (bleaching to conventional shades) of microfill, hybrid and microhybrid resin composite specimens (n ...

journal_title：Operative dentistry

authors： Brackett MG,Brackett WW,Browning WD,Rueggeberg FA

更新日期：2007-09-01 00:00:00

abstract：OBJECTIVE::The study aimed to evaluate teaching trends and use of materials in direct posterior restorations during a 13-year period in an Israeli dental school. METHODS::Data registered in computerized files, relating to posterior restorations performed in the student clinic during the past 13 years (2004-2016), were...

journal_title：Operative dentistry

authors： Zabrovsky A,Mahmoud R,Beyth N,Ben-Gal G

更新日期：2018-11-01 00:00:00

abstract：:Of the many factors under their control, clinicians can manipulate light-exposure duration but must deal with a set intensity of light emitted from the dental curing unit. This research investigates the interdependence of exposure duration and source intensity on resin cure at various depths within a simulated light-c...

journal_title：Operative dentistry

authors： Rueggeberg FA,Caughman WF,Curtis JW Jr

更新日期：1994-01-01 00:00:00

abstract：:This study evaluated the influence of ceramic thickness and ceramic materials on fracture resistance of posterior partial coverage ceramic restorations. Forty extracted molars were allocated into four groups (n=10) to test for two variables: 1) the thickness of ceramic (1 mm or 2 mm) and 2) the ceramic materials (a li...

journal_title：Operative dentistry

authors： Bakeman EM,Rego N,Chaiyabutr Y,Kois JC

更新日期：2015-03-01 00:00:00

abstract：:Recently, manufacturers introduced presterilized, single-use, plastic light-curing tips to be used either routinely or on patients with known or questionable communicable health concerns. The purpose of this study was to examine the effect of these single-use tips on light transmission compared to conventional fiber-o...

journal_title：Operative dentistry

authors： Rueggeberg FA,Caughman WF

更新日期：1998-07-01 00:00:00

abstract：:The purpose of this study was to determine the relationship between the deterioration and the later failure of a very large number of amalgams and anterior resin composites examined over periods of up to 16 years. Assessments were made of the deterioration of various clinical factors or characteristics of the restorat...

journal_title：Operative dentistry

authors： Smales RJ,Webster DA

更新日期：1993-07-01 00:00:00

abstract：:This study determined the effect of bleaching agents on the fracture toughness of composite materials. Four nanofilled resin composites were evaluated: Filtek Supreme Plus, Tetric EvoCeram, Premise and Esthet-X. Four concentrations of bleaching agents were tested: Opalescence PF 10%, 20%, 35% and 45%. Fifty specimens ...

journal_title：Operative dentistry

authors： Cho SD,Bulpakdi P,Matis BA,Platt JA

更新日期：2009-11-01 00:00:00

abstract：:Most currently marketed fluoride varnishes (FVs) have not been evaluated for their effectiveness in preventing dental caries. The objective of this study was to investigate the anticaries efficacy, measured as fluoride release into artificial saliva (AS); change in surface microhardness of early enamel caries lesions;...

journal_title：Operative dentistry

authors： Dehailan LA,Martinez-Mier EA,Eckert GJ,Lippert F

更新日期：2019-09-01 00:00:00

abstract：:The objective of this paper is to review the literature concerning factors affecting adhesion to mineralized tissues. Factors related to the physicochemical structure of the adherents and to the inherent properties of composite restorative materials, along with the postulated bonding mechanisms of current adhesive sys...

journal_title：Operative dentistry

authors： Van Meerbeek B,Lambrechts P,Inokoshi S,Braem M,Vanherle G

更新日期：1992-01-01 00:00:00

abstract：:To protect glass-ionomer cement from moisture contamination and dehydration during initial setting, immediate application of a surface coating agent is recommended. This study compared the effect of various surface coatings on F release from glass-ionomer cement. Twenty glass-ionomer cement (Ketac Fil Aplicap) disks (...

journal_title：Operative dentistry

authors： Castro GW,Gray SE,Buikema DJ,Reagan SE

更新日期：1994-09-01 00:00:00

abstract：OBJECTIVES:This study evaluated the bond strength of luting systems for bonding glass fiber posts to root canal dentin. The hypothesis tested was that there are no differences in bond strength of glass fiber posts luted with different cement systems. METHODS:Forty bovine incisors were randomly assigned to five differe...

journal_title：Operative dentistry

authors： Calixto LR,Bandéca MC,Clavijo V,Andrade MF,Vaz LG,Campos EA

更新日期：2012-01-01 00:00:00

abstract：:The role of silanes in the bonding of resin luting agents to glass-fiber posts (GFPs) is a controversial topic, and the question still remains whether post silanization is able to improve the retention of GFPs luted into root canals. Thus, this study was designed to determine whether evidence exists to justify silaniz...

journal_title：Operative dentistry

authors： Moraes AP,Sarkis-Onofre R,Moraes RR,Cenci MS,Soares CJ,Pereira-Cenci T

更新日期：2015-11-01 00:00:00

abstract：:This in vitro study evaluated microleakage in Class II cavities restored with dental composite and varying light-curing units and the temperature of the composite when subjected to a thermocycling test. Ninety cavities were prepared on the proximal surfaces of bovine teeth and randomly divided according to the light-c...

journal_title：Operative dentistry

authors： dos Santos RE,Lima AF,Soares GP,Ambrosano GM,Marchi GM,Lovadino JR,Aguiar FH

更新日期：2011-01-01 00:00:00

abstract：:This study compared the clinical performance of a polyacid-modified resin composite and a resin-modified glass-ionomer restorative material over two years. Thirty-four pairs of restorations of Compoglass and Fuji II LC were placed in caries-free cervical erosion/abfraction lesions without tooth preparation. Restoratio...

journal_title：Operative dentistry

authors： Brackett WW,Browning WD,Ross JA,Brackett MG

更新日期：2001-01-01 00:00:00

abstract：:This study evaluated the effect of polishing after one-day storage in water on the gap formation around a Class V restoration completely bordered by enamel (coronal cavity) using one resin-modified glass ionomer, one compomer and one conventional glass ionomer as a control. The study also examined gap formation of the...

journal_title：Operative dentistry

authors： Irie M,Suzuki K

更新日期：2002-01-01 00:00:00

abstract：:This study evaluated the microleakage of resin-modified glass ionomer, flowable compomer and flowable resin composite restorations on a Class V cavity of simulated advanced root caries under a flexural load cycling condition. Thirty-six non-carious human maxillary premolars were mounted in cylindrical acrylic resin mo...

journal_title：Operative dentistry

authors： Minakuchi S,Munoz CA,Jessop N

更新日期：2005-03-01 00:00:00