Influence of Thermal Cycling on Flexural Properties and Simulated Wear of Computer-aided Design/Computer-aided Manufacturing Resin Composites.

abstract：OBJECTIVES:To evaluate the efficacy of a new light-cured anesthetic gel for pain control in adults undergoing rubber dam isolation for the restorative treatment of noncarious cervical lesions (NCCLs). METHODS AND MATERIALS:This study was a randomized, split-mouth, triple-blind, controlled trial. The sample comprised 5...

journal_title：Operative dentistry

authors： Wambier LM,Gonzaga CC,Chibinski A,Wambier DS,Farago PV,Loguercio AD,Reis A

更新日期：2020-03-01 00:00:00

abstract：:This study compared the surface finish of eight different types of aesthetic restorative materials. The materials included resin-modified (Fuji II LC [FL], GC) and highly viscous (Fuji IX GP Fast [FN], GC) glass ionomer cements, a compomer (F2000 [FT], 3M-ESPE), minifilled (Z100 [ZO], 3M-ESPE) and microfilled (A110 [A...

journal_title：Operative dentistry

authors： Yap AU,Yap SH,Teo CK,Ng JJ

更新日期：2004-01-01 00:00:00

abstract：INTRODUCTION:Adding antibacterial agents to a dentin conditioner used for a glass ionomer cement (GIC) has been shown to be antibacterial; however, it is not known whether this antimicrobial conditioning agent affects the bond strength to dentin in situ. This study applied GIC to antibacterial conditioned dentin withou...

journal_title：Operative dentistry

authors： Botelho MG

更新日期：2005-05-01 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：:This in vitro study investigated the possible dehydration of dentin caused by bleaching agents. Furthermore, it tested whether protective dentin varnishes can maintain the physiological moisture of dentin during bleaching treatment. Fifty-five standardized dentin cylinders were prepared from freshly extracted bovine i...

journal_title：Operative dentistry

authors： Betke H,Kahler E,Reitz A,Hartmann G,Lennon A,Attin T

更新日期：2006-09-01 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：:The aim of the present study was to evaluate the effect of composite resin contamination with powdered and unpowdered latex gloves on the shear bond strength of etch-and-rinse and two-step self-etch adhesive systems. Standard flat dentin surfaces were prepared on the facial aspect of 120 bovine incisors and randomly a...

journal_title：Operative dentistry

authors： Oskoee SS,Navimipour EJ,Bahari M,Ajami AA,Oskoee PA,Abbasi NM

更新日期：2012-09-01 00:00:00

abstract：:Amalgam has been used in the restoration of structurally compromised posterior teeth for many years. When placing large amalgam restorations, replacement of weak cusps with restorative material is recommended to prevent tooth fracture. This recommendation can be modified with new guidelines using modern adhesive techn...

journal_title：Operative dentistry

authors： Deliperi S

更新日期：2012-07-01 00:00:00

abstract：:The tested hypotheses of this study were that dentin enamel bonding agents (DBAs) proposed for compomers create a hybrid layer (HL) that seals the margins of Class V restorations and HL is free from voids or gaps on both enamel and dentin margins. For purposes of this study, Class V restorations (n = 70) were made in ...

journal_title：Operative dentistry

authors： Prati C,Nucci C,Toledano M,García-Godoy F,Breschi L,Chersoni S

更新日期：2004-01-01 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 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：:This study compared the degree of marginal leakage of a compomer in Class V cavities of human primary molars prepared by a conventional dental bur and air abrasion with or without acid etching. Fifty-six non-carious extracted primary molars were randomly divided into four groups (n=14) to be prepared by four technique...

journal_title：Operative dentistry

authors： Aysegül O,Nurhan O,Haluk B,Dilek T

更新日期：2005-03-01 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 investigated the influence of light energy density (intensity x time) on the effectiveness of composite cure in view of the curing profiles of new light-polymerization units. This investigation used a digital microhardness tester to evaluate the hardness of the top/bottom surfaces and hardness ratio of 2 mm...

journal_title：Operative dentistry

authors： Yap AU,Seneviratne C

更新日期：2001-09-01 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：:The clinical performance of light curing resin composites is greatly influenced by the quality of the light-curing unit (LCU). Halogen LCUs are commonly used for curing composite materials. However, they have some drawbacks. The development of new, blue, super bright light emitting diodes (LED LCU) of 470-nm wavelengt...

journal_title：Operative dentistry

authors： Bala O,Uçtasli MB,Tüz MA

更新日期：2005-01-01 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 cyclic loading on the bond strength of Class II restorations using different composite materials. Class II preparations with gingival margins located in dentin were performed on the mesial surface of 80 bovine incisors. The teeth were randomly allocated to eight groups (n=10) accordi...

journal_title：Operative dentistry

authors： Cavalcanti AN,Mitsui FH,Silva F,Peris AR,Bedran-Russo A,Marchi GM

更新日期：2008-03-01 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:This study investigated cuspal deformation in teeth restored with different types of adhesive materials with and without a base. METHODS:Mesio-occluso-distal slot cavities of moderately large dimension were prepared on extracted maxillary premolars (n=24). Teeth were assigned to one of four groups and resto...

journal_title：Operative dentistry

authors： Nguyen KV,Wong RH,Palamara J,Burrow MF

更新日期：2016-03-01 00:00:00

abstract：:This study evaluated the effect of different chairside polishing systems on the surface roughness and topography of monolithic zirconia. Thirty-five monolithic zirconia specimens (Lava PLUS, 3M ESPE) were fabricated and divided into five groups of seven and polished with the following: Group 1 (WZ)-Dura white stone fo...

journal_title：Operative dentistry

authors： Goo CL,Yap A,Tan K,Fawzy AS

更新日期：2016-07-01 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：UNLABELLED:Examining three bleaching systems, this in vivo clinical trial evaluated the relationship among tooth sensitivity, light activation, and agent concentration, and it correlated dental sensitivity with tooth thickness. MATERIALS AND METHODS:Eighty-seven volunteer patients were included. Inclusion criteria wer...

journal_title：Operative dentistry

authors： Moncada G,Sepúlveda D,Elphick K,Contente M,Estay J,Bahamondes V,Fernandez E,Oliveira OB,Martin J

更新日期：2013-09-01 00:00:00

abstract：:This study investigated the effect of a crown-lengthening ferrule on the fracture resistance of endodontically-treated teeth restored with two dowel-core systems. Thirty-two extracted mandibular first premolars were sectioned perpendicular to the long axis at a point 1.0 mm occlusal to the buccal cementoenamel junctio...

journal_title：Operative dentistry

authors： Meng QF,Chen YM,Guang HB,Yip KH,Smales RJ

更新日期：2007-11-01 00:00:00

abstract：:Retained primary teeth in the smile zone can cause patient dissatisfaction, especially if associated with malposition of teeth. Orthodontic and prosthetic treatment options to treat the situation may not be accepted by some patients. Therefore, these patients tend to maintain their primary teeth and seek different est...

journal_title：Operative dentistry

authors： Bin-Shuwaish MS

更新日期：2017-03-01 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 investigated the effect of three equivalent radiant exposure energy application sequences (EASs): high intensity power (HIP: 1,177 mW/cm2, 40 seconds), low intensity power (LOP: 573 mW/cm2, 71 seconds) and ramp (RMP: 650 mW/cm2, 5 seconds, then the irradiance increases to 1047 mW/cm2, 37 seconds) on the mic...

journal_title：Operative dentistry

authors： Maghaireh G,Bouschlicher MR,Qian F,Armstrong SR

更新日期：2007-03-01 00:00:00

abstract：OBJECTIVES:Whitening efficacy has been related to hydrogen peroxide (HP) diffusion into tooth structure. However, little information is available relating rheological properties to whitening efficacy. The purpose was to evaluate the whitening efficacy and HP penetration level of a 10% HP gel at three different viscosit...

journal_title：Operative dentistry

authors： Kwon SR,Pallavi F,Shi Y,Oyoyo U,Mohraz A,Li Y

更新日期：2018-05-01 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：: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