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abstract：:A core foundation system is frequently used in endodontically treated teeth that suffer excessive loss of the coronal portion of their structure. The volumetric shrinkage of core foundation resins may create marginal gaps that influence the bonding ability and longevity of a restored tooth. Little is known about how a...

journal_title：Operative dentistry

authors： Uekusa S,Miyazaki M,Rikuta A,Kurokawa H,Moore BK

更新日期：2005-09-01 00:00:00

abstract：:Bleaching-induced tooth sensitivity (TS) is highly prevalent. OBJECTIVE:This study aimed to determine if the combination of opioids and nonopioids analgesics (Tylex) may provide a better analgesic effect. METHOD:A triple-blind, parallel, randomized two-center clinical trial was conducted with 105 healthy patients wh...

journal_title：Operative dentistry

authors： Coppla FM,Rezende M,de Paula E,Farago PV,Loguercio AD,Kossatz S,Reis A

更新日期：2018-03-01 00:00:00

abstract：:A study was conducted to compare the shear bond strength of a glass-ionomer cement and glass-ionomer base to coronal and radicular dentin. Two different glass ionomers were bonded to paired coronal and radicular human dentin surfaces that had received no surface treatment or had been treated passively for 20 seconds w...

journal_title：Operative dentistry

authors： Berry EA 3rd,Powers JM

更新日期：1994-07-01 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：:This study investigated the leakage pathway of facial and lingual Class V cavities restored with different flowable resin composites bonded with one bonding agent by examining the resin/dentin interface. Forty Class V cavities were etched with 37% phosphoric acid gel; Single Bond dental adhesive was applied, then the ...

journal_title：Operative dentistry

authors： Awliya WY,El-Sahn AM

更新日期：2008-01-01 00:00:00

abstract：OBJECTIVES:To evaluate the bond strength of adhesive luting agents applied to caries-affected dentin (CAD). METHODS:Thirty-six noncarious human third molars were abraded to expose an occlusal dentin surface. Caries lesions were induced in half of the samples using a microcosm biofilm model. Biofilm was cultivated unde...

journal_title：Operative dentistry

authors： Peixoto AC,Bicalho AA,Isolan CP,Maske TT,Moraes RR,Cenci MS,Soares CJ,Faria-e-Silva AL

更新日期：2015-05-01 00:00:00

abstract：:This study compared the thickness of the hybrid layer formed using Scotchbond Multi-Purpose Plus, Single Bond 2, Prime & Bond 2.1 and Xeno III on a dentin surface prepared with a diamond bur in a high speed handpiece or prepared with an Er:YAG laser used with two parameters of pulse energy (200 and 400 mJ) and two par...

journal_title：Operative dentistry

authors： de Barceleiro MO,Dias KR,Sales HX,Silva BC,Barceleiro CG

更新日期：2008-05-01 00:00:00

abstract：:This study compared the slice method of measuring microleakage to the whole-wall method. Forty-eight Class V direct metal restorations were placed in the buccal and lingual surfaces of 24 human molars. Following thermocycling and storage in 2% methylene blue stain for 12 hours, the teeth were sectioned and the restora...

journal_title：Operative dentistry

authors： Williams PT,Schramke D,Stockton L

更新日期：2002-11-01 00:00:00

abstract：:This study evaluated the effect of bonded amalgam on the fracture strength of teeth using five adhesive systems: Panavia 21, Amalgambond Plus, Imperva Dual Bond, All-Bond 2 Primer/Bonding Resin, and All-Bond 2 Primer/Liner F. Intact teeth and amalgam lined with Copalite were used as control groups. Large MOD preparati...

journal_title：Operative dentistry

authors： Oliveira JP,Cochran MA,Moore BK

更新日期：1996-05-01 00:00:00

abstract：:The effect of interdental separation of a special separation ring and wooden wedge was investigated. In a split-mouth design, 27 patients were randomly assigned to one of two groups (W or S). In 11 patients, an interdental wooden wedge (Hawe-Neos) was placed (group W), and in 16 patients, a separation ring (Composi-Ti...

journal_title：Operative dentistry

authors： Loomans BA,Opdam NJ,Bronkhorst EM,Roeters FJ,Dörfer CE

更新日期：2007-05-01 00:00:00

abstract：:This study evaluated the two-year clinical performance of two minimally invasive cavity preparation techniques, bur and laser, in Class I occlusal resin composite restorations. Twenty-seven patients, each having at least one pair of occlusal caries, were enrolled in this study. For each patient, one of the cavities wa...

journal_title：Operative dentistry

authors： Yazici AR,Baseren M,Gorucu J

更新日期：2010-09-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the strengthening effect of resin composite, cured by a modified layering protocol, for teeth with simulated coronal fracture and weakened immature roots. METHODS:Fifty maxillary teeth were decoronated and their apices sectioned to standardize the length to 12 mm. Pr...

journal_title：Operative dentistry

authors： Seyam RS,Mobarak EH

更新日期：2014-05-01 00:00:00

abstract：:This investigation examined the susceptibility to staining and translucency changes of some new tooth-colored restorative materials after immersion in different beverages. The materials studied were 3M Filtek Z350XT (ZT), 3M Filtek 350XT Flowable Restorative (ZF), Shofu Beautifil Flow Plus (BF), Shofu Beautifil II (B2...

journal_title：Operative dentistry

authors： Tan BL,Yap AU,Ma HN,Chew J,Tan WJ

更新日期：2015-03-01 00:00:00

abstract：CLINICAL RELEVANCE:New dual-cure bulk-fill composites show promise for uniform degree of conversion and microhardness throughout the entire depth of direct restorations. SUMMARY: ...

journal_title：Operative dentistry

authors： Wang R,Wang Y

更新日期：2020-07-01 00:00:00

abstract：:No data are available on the direct acute vascular effect of dental bonding materials on the dental pulp. This study investigated the effects of the components of a composite resin-bonding system on pulpal vascular diameter. Three groups of 10 male Sprague-Dawley rats (weighing 330 +/- 51 g) were used for this investi...

journal_title：Operative dentistry

authors： Iványi I,Balogh AE,Rosivall L,Nyárasdy I

更新日期：2000-09-01 00:00:00

abstract：:This study investigated the effects of an at-home bleaching gel containing 15% carbamide peroxide on the susceptibility of tooth-colored restorative materials to different staining solutions. The tooth-colored restoratives used in this study were a nano resin composite (Filtek Z350), a packable resin composite (Filtek...

journal_title：Operative dentistry

authors： Yu H,Pan X,Lin Y,Li Q,Hussain M,Wang Y

更新日期：2009-01-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the effect of low-thickness ceramic laminate translucency on water sorption and solubility in resin luting agents. METHODS AND MATERIALS:Ceramic slides (15×0.7 mm) were generated using lithium disilicate (IPS e.max Press, Ivoclar-Vivadent, Schaan, Liechtenstein) that were ...

journal_title：Operative dentistry

authors： Leal CL,Queiroz A,Foxton RM,Argolo S,Mathias P,Cavalcanti AN

更新日期：2016-09-01 00:00:00

abstract：:Under clinical conditions, the time needed for the proper light curing of luting composites or the multi-incremental buildup of a large restoration with halogen curing units is quite extensive. Due to the development of high power curing devices, such as argon lasers and plasma arc lights and, in order to decrease cur...

journal_title：Operative dentistry

authors： Knezevic A,Ristic M,Demoli N,Tarle Z,Music S,Negovetic Mandic V

更新日期：2007-05-01 00:00:00

abstract：:This in-vitro study compared the resistance of extensive amalgam restorations retained by either four Regular TMS Link Plus pins, four amalgapins, Amalgambond Plus, Amalgambond Plus with HPA, Scotchbond Multi-Purpose Plus, PQ Amalgam, Panavia F 2.0, All-Bond 2 or Resinomer. Ninety caries-free third molars were embedde...

journal_title：Operative dentistry

authors： Imbery TA,Coudron J,Moon PC

更新日期：2008-11-01 00:00:00

abstract：:The current study compared the marginal adaptation of Class II open-sandwich restorations with a RMGIC versus a dual-cure composite as dentin substitute. Class II cavities were prepared on 50 extracted human third molars. The teeth were randomly assigned to two groups of 25 teeth to compare one dual cure composite (Mu...

journal_title：Operative dentistry

authors： Koubi S,Raskin A,Dejou J,About I,Tassery H,Camps J,Proust JP

更新日期：2009-03-01 00:00:00

abstract：:This study evaluated the effect of fractured or sectioned fragments on the fracture strength recovery of four techniques used for reattachment and resin composite buildups. Ninety-one sound, permanent lower central incisors were used. Half the teeth were fractured in the incisal-proximal edge; the other half had the i...

journal_title：Operative dentistry

authors： Loguercio AD,Mengarda J,Amaral R,Kraul A,Reis A

更新日期：2004-05-01 00:00:00

abstract：OBJECTIVES:Inadequately polymerized resin cements may negatively affect the clinical performance of cemented all-ceramic restorations. The purpose of this in vitro study was to evaluate the effect of ceramic thickness and shade on the microhardness of various light-cured (LC) and dual-cured (DC) resin cements. The amou...

journal_title：Operative dentistry

authors： Kilinc E,Antonson SA,Hardigan PC,Kesercioglu A

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVES:Published transmission electron microscopy analysis of in vitro resin-dentin bonds shows that, after 44 months, almost 70% of collagen fibrils from the hybrid layer disappear. Matrix metalloproteinases (MMPs) play an important role in that process and are thought to be the main factor responsible for the sol...

journal_title：Operative dentistry

authors： Scheffel DL,Hebling J,Scheffel RH,Agee K,Turco G,de Souza Costa CA,Pashley D

更新日期：2014-03-01 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：:Veneers were fabricated by CEREC CAD-CAM and the platinum foil techniques for standardized preparations on 10 artificial teeth. Mesial preparation contacts were broken, but distal contacts remained intact. The veneers were cemented in a standardized manner to their teeth. The veneers and their attached cement were emb...

journal_title：Operative dentistry

authors： Suh PS,Johnson R,White SN

更新日期：1997-05-01 00:00:00

abstract：:The purpose of this study was to compare the long-term survivals of two low-copper and three high-copper amalgam alloys, and to analyze four clinical factors for their possible effects on the restoration survivals. Some 1476 polished restorations were placed in hospital patients by a large number of operators and asse...

journal_title：Operative dentistry

authors： Smales RJ

更新日期：1991-09-01 00:00:00

abstract：OBJECTIVE:This in vitro study evaluated the effect of polishing with different polishing systems on the surface roughness and gloss of commercial composites. METHODS:One hundred disk-shaped specimens (10 mm in diameter × 2 mm thick) were made with Filtek P-90, Filtek Z350 XT, Opallis, and Grandio. The specimens were m...

journal_title：Operative dentistry

authors： Rodrigues-Junior SA,Chemin P,Piaia PP,Ferracane JL

更新日期：2015-07-01 00:00:00

abstract：:Even though accuracy and inter-examiner variation assessments of borderline restorative items have been previously reported, no attempt has been made to replicate the effect of cumulative, sequential diagnostic and treatment planning decisions. This study assesses the cumulative effect of factors indicating restorativ...

journal_title：Operative dentistry

authors： Maupomé G

更新日期：2000-07-01 00:00:00

abstract：:This study assessed the in vitro influence of surface sealing on the surface roughness of a posterior resin composite before and after toothbrushing. Thirty specimens (13 mm diameter x 1 mm high) were fabricated from Filtek-P60 resin composite and randomly assigned to three groups (n = 10): a non-sealed control and tw...

journal_title：Operative dentistry

authors： Takeuchi CY,Orbegoso Flores VH,Palma Dibb RG,Panzeri H,Lara EH,Dinelli W

更新日期：2003-05-01 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