Bond durability of composite luting agents to ceramic when exposed to long-term thermocycling.

abstract：:Amalgapins are susceptible to early fracture during matrix removal and carving. The purpose of this study was to examine the early fracture resistance of amalgapin-retained restorations using a spherical amalgam alloy, an admixed amalgam alloy, a combination of admixed alloy over the spherical alloy, and a recently in...

journal_title：Operative dentistry

authors： Schulte GA,Hermesch CB,Vandewalle KS,Buikema DJ

更新日期：1998-03-01 00:00:00

abstract：CLINICAL RELEVANCE:The use of laser light during bleaching will not reduce the incidence or severity of sensitivity and will not increase the degree of color change compared with nonlaser light sources. SUMMARY:Objective: To evaluate whether the use of laser during in-office bleaching promotes a reduction in dental se...

journal_title：Operative dentistry

authors： Casado B,Pellizzer EP,Souto Maior JR,Lemos C,Vasconcelos B,Moraes S

更新日期：2020-11-01 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：:The objective of this study was to evaluate the effect of surface sealants and polishing delay time on a nanohybrid resin composite roughness and microhardness. Eighty disc specimens were made with a nanohybrid resin (Esthet-X HD, Dentsply). The specimens were divided into two groups (n=40) according to polishing time...

journal_title：Operative dentistry

authors： Ruschel VC,Bona VS,Baratieri LN,Maia HP

更新日期：2018-07-01 00:00:00

abstract：OBJECTIVES:To evaluate the effect of different surface treatments on the bond strength to a composite and a polymer-infiltrated ceramic CAD/CAM block after six-month artificial aging. METHODS AND MATERIALS:Two types of CAD/CAM blocks (Cerasmart, GC; Enamic, Vita Zahnfabrik) were cut in slabs of 4-mm thickness, divided...

journal_title：Operative dentistry

authors： Lise DP,Van Ende A,De Munck J,Vieira L,Baratieri LN,Van Meerbeek B

更新日期：2017-01-01 00:00:00

abstract：:The nature of the hybrid layer (HL) following chemical treatment has not been resolved. The effects of chemical treatments and polishing on HL morphology and composition were investigated using micro-Raman spectroscopy and SEM. Polished and unpolished SingleBond adhesive/dentin (a/d) interfaces from the same tooth wer...

journal_title：Operative dentistry

authors： Wang Y,Spencer P

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVES:People increasingly desire tooth whitening. Considering the wide range of whitening products on the market, this study evaluated the efficacy of whitening toothpastes and mouth rinses compared with the 10% carbamide peroxide (CP) whitening gel. METHODS:We obtained 120 cylindrical specimens from bovine teeth...

journal_title：Operative dentistry

authors： Torres CR,Perote LC,Gutierrez NC,Pucci CR,Borges AB

更新日期：2013-01-01 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：:The authors describe a minimally invasive procedure for occlusal rehabilitation in a young patient presenting with mild mandibular prognathism and loss of occlusal vertical dimension caused by dental erosion from chronic gastroesophageal reflux. ...

journal_title：Operative dentistry

authors： Reston EG,Closs LQ,Busato AL,Broliato GA,Tessarollo FR

更新日期：2010-01-01 00:00:00

abstract：:Coronal fractures of posterior teeth are not rare in clinical practice. Most of the time they constitute a restorational problem for the clinician, since they usually end below the free gingival crest. Two hundred coronal fractures of posterior teeth were examined in this study, with respect to several factors. Some o...

journal_title：Operative dentistry

authors： Lagouvardos P,Sourai P,Douvitsas G

更新日期：1989-01-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to compare the two-year clinical performance of three restorative systems in posterior restorations, which included a low-shrinkage composite and both etch-and-rinse and self-etch adhesive strategies. MATERIALS AND METHODS:After signing an informed consent, 25 patients received thr...

journal_title：Operative dentistry

authors： Baracco B,Perdigão J,Cabrera E,Ceballos L

更新日期：2013-11-01 00:00:00

abstract：:This study evaluated the effect of ascorbic acid, 500 mg every eight hours, on bleaching-induced tooth sensitivity. A triple-blind, parallel design, and placebo-controlled randomized clinical trial was conducted on 39 adults. The pills (placebo or ascorbic acid) were administered three times per day for 48 hours; the ...

journal_title：Operative dentistry

authors： de Paula EA,Kossatz S,Fernandes D,Loguercio AD,Reis A

更新日期：2014-03-01 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：: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：: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

abstract：:This study tested the null hypothesis that there no difference between two-step and one-step self-etch adhesives in their compatibility with these composites. The microtensile bond strengths (microTBS) of two two-step systems (Clearfil SE Bond, Kuraray and Tyrian SPE/One-Step Plus, BISCO) were compared with two one-st...

journal_title：Operative dentistry

authors： Cheong C,King NM,Pashley DH,Ferrari M,Toledano M,Tay FR

更新日期：2003-11-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the effect of phosphoric acid pre-etching times on shear bond strength (SBS) and surface free energy (SFE) with single-step self-etch adhesives. METHODS:The three single-step self-etch adhesives used were: 1) Scotchbond Universal Adhesive (3M ESPE), 2) Clearfil tri-S...

journal_title：Operative dentistry

authors： Tsujimoto A,Barkmeier WW,Takamizawa T,Latta MA,Miyazaki M

更新日期：2016-07-01 00:00:00

abstract：:This study evaluated the biocompatibility of contemporary bulk-fill resin-based composites (RBCs) including PRG (pre-reacted glass ionomer) materials based on the International Organization for Standardization 10993. In addition, the effect of composite thickness on cytotoxicity was also assessed. Two standard composi...

journal_title：Operative dentistry

authors： Toh WS,Yap AU,Lim SY

更新日期：2015-11-01 00:00:00

abstract：:The purpose of this study was to evaluate the 1-year results of the dentin bond (DBS)/viscous resin liner combinations Amalgambond Plus, Tenure/Panavia, Syntac/Dual Cem, and All-Bond 2/Liner F in reducing microleakage in class 5 cavity preparations restored with an admixed or a spherical amalgam alloy and to compare t...

journal_title：Operative dentistry

authors： Meiers JC,Turner EW

更新日期：1998-01-01 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：:Minimally invasive flowable composite Class I restorations are widely used. However, flowable composites are characterized by low filler contents, modified resin formulations, low moduli of elasticity, low viscosity, generally poor mechanical properties, and decreased long-term stability. The purpose of this study was...

journal_title：Operative dentistry

authors： Bonilla ED,Stevenson RG,Caputo AA,White SN

更新日期：2012-05-01 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 influence of the cementation strategy on the fatigue resistance of zirconia crowns. The null hypothesis was that the cementation strategy would not affect the fatigue resistance of the crowns. METHODS AND MATERIALS:Seventy-five simplified molar tooth crown prepara...

journal_title：Operative dentistry

authors： Campos F,Valandro LF,Feitosa SA,Kleverlaan CJ,Feilzer AJ,de Jager N,Bottino MA

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:To evaluate the effect of zirconia primers, air-abrasion, and tribochemical surface treatment methods on the shear bond strength between yttria-tetragonal zirconia polycrystal (Y-TZP) ceramic and self-adhesive resin cement. METHODS AND MATERIALS:Y-TZP ceramic surfaces were ground flat with 600-grit silicon car...

journal_title：Operative dentistry

authors： Yi YA,Ahn JS,Park YJ,Jun SH,Lee IB,Cho BH,Son HH,Seo DG

更新日期：2015-01-01 00:00:00

abstract：:Light Emitting Diode (LED) curing units are attractive to clinicians, because most are cordless and should create less heat within tooth structure. However, questions about polymerization efficacy have surrounded this technology. This research evaluated the adequacy of the depth of cure of pit & fissure sealants provi...

journal_title：Operative dentistry

authors： Platt JA,Clark H,Moore BK

更新日期：2005-11-01 00:00:00

abstract：:Bonding to enamel has been shown to provide reliable results, and thus conservative tooth preparations are key to the success of ceramic bonded restorations. The wax-up is the first diagnostic tool available to evaluate discrepancies between current and ideal tooth proportions. The clinician's diagnostic mock-up provi...

journal_title：Operative dentistry

authors： Jurado C,Watanabe H,Tinoco JV,Valenzuela HU,Perez GG,Tsujimoto A

更新日期：2020-05-01 00:00:00

abstract：:This study compares volumetric changes and rates of shrinkage during different stages of polymerization of dental resin composites and compomers exposed to the same total energy by using two different combinations of power density and exposure duration. A hybrid composite and its equivalent flowable and a compomer and...

journal_title：Operative dentistry

authors： Oberholzer TG,Pameijer CH,Grobler SR,Rossouw RJ

更新日期：2003-09-01 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 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：: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