Effect of Light-Curing Exposure Time, Shade, and Thickness on the Depth of Cure of Bulk Fill Composites.

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：: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：PURPOSE:To investigate the effect of different light-curing units and depths on the degree of conversion (DC) through Fourier transform infrared spectroscopy (FTIR) and Knoop Hardness Number (KHN) of a silorane-based composite resin (Filtek LS, 3M ESPE, St Paul, MN, USA) (LS). MATERIALS AND METHODS:LS specimens mounte...

journal_title：Operative dentistry

authors： Torres SA,Silva GC,Maria DA,Campos WR,Magalhães CS,Moreira AN

更新日期：2014-05-01 00:00:00

abstract：:This study evaluated the five-year clinical performance of ceramic inlays and onlays made with two systems: sintered Duceram (Dentsply-Degussa) and pressable IPS Empress (Ivoclar Vivadent). Eighty-six restorations were placed by a single operator in 35 patients with a median age of 33 years. The restorations were ceme...

journal_title：Operative dentistry

authors： Santos MJ,Mondelli RF,Navarro MF,Francischone CE,Rubo JH,Santos GC Jr

更新日期：2013-01-01 00:00:00

abstract：:This article outlines an atraumatic isolation approach and a conservative instrumentation sequence, followed by use of a highly viscous, rapid-setting, capsulated glass ionomer cement to manage a difficult deep proximal-cervical Class V lesion. ...

journal_title：Operative dentistry

authors： Chan DC,Adkins J

更新日期：2004-05-01 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：OBJECTIVES::To evaluate the effect of a remineralizing gel combining fluoride and calcium silicate/phosphate or a sodium fluoride gel on bleached enamel microhardness, color, and wear susceptibility. METHODS AND MATERIALS::Two hundred forty bovine enamel-dentin samples were prepared. Baseline analysis of Knoop microha...

journal_title：Operative dentistry

authors： Crastechini E,Borges AB,Torres C

更新日期：2019-01-01 00:00:00

abstract：:One hundred non-carious, non-undercut cervical lesions were restored with Silux Plus or Estio LC and bonded with Fuji Bond LC. The restorations were evaluated yearly for retention and marginal discoloration. After five years, the overall retention rate was 96%. Of the 41 restorations examined at five years, five had c...

journal_title：Operative dentistry

authors： Tyas MJ,Burrow MF

更新日期：2002-09-01 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：OBJECTIVES:This study aimed to assess the retention of metal copings luted to uremic teeth with five different luting agents. METHODS:A total of 35 sound natural molars was collected from uremic patients and randomly assigned into five groups (n=7). The teeth were prepared for metal copings using diamond tips and wate...

journal_title：Operative dentistry

authors： Ghazy MH,Aboumadina MM,Mahmoud SH

更新日期：2014-05-01 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：:Provisional restorations of full crown preparations may permit more microleakage of bacteria and their products than the final castings do. However, most investigations of the sealing qualities of cemented castings have reported that they too permit dye leakage. One approach to the problem is to seal the dentin with d...

journal_title：Operative dentistry

authors： Pashley EL,Comer RW,Simpson MD,Horner JA,Pashley DH,Caughman WF

更新日期：1992-01-01 00:00:00

abstract：:This research investigated the effects of wet and dry conditions of phosphoric acid etched dentin on resin bonding and determined the optimum moisture condition for resin bonding using an ethanol-based one-bottle adhesive system. Bovine dentin surfaces were etched with 35% phosphoric acid and rinsed with water. Under ...

journal_title：Operative dentistry

authors： Nakaoki Y,Nikaido T,Burrow MF,Tagami J

更新日期：2002-11-01 00:00:00

abstract：STATEMENT OF THE PROBLEM:Precise shade matching can be one of the most difficult tasks for the dentist and some variables may influence the process of shade comparison. PURPOSE OF THE STUDY:This study tested the differences in shade perception between genders, the influence of the observer's clinical experience, and t...

journal_title：Operative dentistry

authors： Milagres V,Teixeira ML,Miranda ME,Osorio Silva CH,Ribeiro Pinto JR

更新日期：2012-05-01 00:00:00

abstract：:This study investigated the effect of nonrinse conditioners (ie, Ketac Nano Primer [KNP] and GC Self Conditioner [SC]) used as substrate pretreatment and their respective paste-paste resin-modified glass-ionomer cement (RMGIC) (ie, Ketac Nano [KN] and Fuji Filling LC [FF]) on microtensile bond strength to dentin and m...

journal_title：Operative dentistry

authors： Cook NB,Feitosa SA,Patel A,Alfawaz Y,Eckert GJ,Bottino MC

更新日期：2015-05-01 00:00:00

abstract：OBJECTIVES:It has been reported that bleaching generates an increase in the activity of osteoclasts in vitro. We quantified the RANK-L and IL-1β biomarkers in a double-blind, randomized clinical trial evaluating the in vivo effect of hydrogen peroxide (35%) and peroxide carbamide (37%) six months after whitening. METH...

journal_title：Operative dentistry

authors： Bersezio C,Estay J,Sáez M,Sánchez F,Vernal R,Fernández E

更新日期：2019-11-01 00:00:00

abstract：:The bulk-filling of deep, wide dental cavities is faster and easier than traditional incremental restoration. However, the extent of cure at the bottom of the restoration should be carefully examined in combination with the polymerization contraction and gap formation that occur during the restorative procedure. The a...

journal_title：Operative dentistry

authors： Benetti AR,Havndrup-Pedersen C,Honoré D,Pedersen MK,Pallesen U

更新日期：2015-03-01 00:00:00

abstract：PURPOSE:To investigate the influence of ferrule thickness on fracture resistance after mechanical cycling of teeth restored with different intracanal posts. METHODS AND MATERIALS:One hundred twenty bovine incisor teeth were randomized into six study groups, based on the intracanal post used (fiber post or cast post an...

journal_title：Operative dentistry

authors： Fontana PE,Bohrer TC,Wandscher VF,Valandro LF,Limberger IF,Kaizer OB

更新日期：2019-11-01 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：:In the direct treatment of cervical lesions and to improve the impression-making procedure prior to fabricating indirect restorations, exposure of the gingival sulcus and control of hemorrhage or gingival fluid seepage are a prerequisite. For gingival displacement, cords impregnated with medicaments are widely used. I...

journal_title：Operative dentistry

authors： Fazekas A,Csempesz F,Csabai Z,Vág J

更新日期：2002-07-01 00:00:00

abstract：:Various core materials with different shades affect the final color of high-translucency monolithic zirconia restorations. The blue core shows the greatest color difference in final zirconia restorations followed by metal, A3 dentin-shade resin core, and white core. ...

journal_title：Operative dentistry

authors： Jung J,Roh BD,Kim JH,Shin Y

更新日期：2020-12-21 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：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：:Class V restorations are a very common occurrence in clinics. Some reasons include an increase in non-carious cervical lesions (NCCL), root caries and the elderly population. Unfortunately, Class V restorations also represent one of the less durable types of restorations and have a high index of loss of retention, mar...

journal_title：Operative dentistry

authors： Perez CR

更新日期：2010-05-01 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：: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：:This investigation evaluated the stabilizing effect of glass fiber reinforced posts (FRP) luted with self-adhesive universal cement on the fracture resistance of excessively flared endodontically treated teeth (ETT). Values were compared to teeth with no ferrule, 2 mm ferrule and resin cement for luting with 2 mm ferr...

journal_title：Operative dentistry

authors： Naumann M,Preuss A,Frankenberger R

更新日期：2006-11-01 00:00:00

abstract：CLINICAL RELEVANCE:Computer-aided design/computer-aided manufacturing (CAD/CAM) composite resins are susceptible to degradation by dietary solvents. Dietary counselling is prudent when placing such CAD/CAM restorations. SUMMARY:This study determined the effect of dietary solvents on the surface roughness (Ra) of direc...

journal_title：Operative dentistry

authors： Munusamy SM,Yap AU,Ching HL,Yahya NA

更新日期：2020-07-01 00:00:00

abstract：:For many years, operative dentistry has been using regenerative approaches to treat dental disease. The use of calcium hydroxide to stimulate reparative or reactionary dentin is clearly an example of such a therapeutic strategy. The advent of tissue engineering is allowing dentistry to move forward in the use of regen...

journal_title：Operative dentistry

authors： Nör JE

更新日期：2006-11-01 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