Influence of light activation on the volumetric change of core foundation resins.

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：:This study evaluated the cytotoxicity of four single component dentin bonding agents: Syntac Single Component, Prime & Bond 2.1, Single Bond and One Up Bond F. The test materials were applied on dentin discs of dentin barrier models in the same way as in the clinical procedures recommended by each manufacturer. Cell v...

journal_title：Operative dentistry

authors： Vajrabhaya LO,Pasasuk A,Harnirattisai C

更新日期：2003-07-01 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：: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：:This study evaluated the regional tensile bond strength of a dual-cure resin composite core material to root canal dentin using photo and dual-cure adhesives and different modes of polymerization. Nineteen extracted premolars were decoronated and their root canals prepared to a depth of 8 mm and a width of 1.4 mm usin...

journal_title：Operative dentistry

authors： Foxton RM,Nakajima M,Tagami J,Miura H

更新日期：2003-09-01 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：OBJECTIVES:This study investigated the influence of resin composite preheating temperature, light curing regimen (mode and duration) on post-gel shrinkage strain (PGSS) and degree of conversion (DC) of a restorative resin composite. METHODS:A hybrid resin composite preheated to three different temperatures (37 degrees...

journal_title：Operative dentistry

authors： El-Korashy DI

更新日期：2010-03-01 00:00:00

abstract：PURPOSE:To evaluate the effect of different strategies for post cementation on the pullout bond strength of a double-tapered glass fiber post cemented into a root canal. MATERIALS AND METHODS:The root canals of 70 single-rooted bovine teeth (16 mm-length) were prepared to 9 mm using the preparation drill of a double-t...

journal_title：Operative dentistry

authors： Amaral M,Santini MF,Wandscher V,Amaral R,Valandro LF

更新日期：2009-07-01 00:00:00

abstract：:This study evaluated the effect of an intracoronal resin composite pin on Class IV resin composite restorations. A control group of 16 bovine teeth was prepared with standardized conventional Class IV preparations. For an experimental group, 16 similar Class IV preparations were made, with the addition of an intracoro...

journal_title：Operative dentistry

authors： Roberts HW,Hermesch CB,Charlton DG

更新日期：2000-07-01 00:00:00

abstract：OBJECTIVES:To evaluate the beam profile and the spectral output of monowave and polywave light-emitting diodes (LEDs) and their influence on the degree of conversion (DC) of bulk fill composites. METHODS:A monowave LED (Smartlite Focus, Dentsply) and a polywave LED (Valo Cordless, Ultradent) were characterized using a...

journal_title：Operative dentistry

authors： Rocha MG,de Oliveira D,Correa IC,Correr-Sobrinho L,Sinhoreti M,Ferracane JL,Correr AB

更新日期：2017-07-01 00:00:00

abstract：OBJECTIVE:This study evaluated the differences in enamel color change, surface hardness, elastic modulus, and surface roughness between treatments with four bleaching gels containing carbamide peroxide (two at 10% and one each at 35%, and 45%) and two bleaching gels containing hydrogen peroxide (two at 40%). METHODS:E...

journal_title：Operative dentistry

authors： Cvikl B,Lussi A,Moritz A,Flury S

更新日期：2016-01-01 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：: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：OBJECTIVES:To evaluate the effect of application protocol in resin-enamel microshear bond strength (μSBS), in situ degree of conversion, and etching pattern of three universal adhesive systems. METHODS AND MATERIALS:Sixty-three extracted third molars were sectioned in four parts (buccal, lingual, and proximals) and di...

journal_title：Operative dentistry

authors： Cardenas AM,Siqueira F,Rocha J,Szesz AL,Anwar M,El-Askary F,Reis A,Loguercio A

更新日期：2016-09-01 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：:This study evaluated the in vivo effects of bleaching agents containing 10% carbamide peroxide (Platinum/Colgate) or 7.5% hydrogen peroxide (Day White 2Z/Discus Dental) on mutans Streptococcus during dental bleaching. The products were applied on 30 volunteers who needed dental bleaching. In each volunteer, one of the...

journal_title：Operative dentistry

authors： Alkmin YT,Sartorelli R,Flório FM,Basting RT

更新日期：2005-07-01 00:00:00

abstract：CLINICAL RELEVANCE:Using a material that optimizes marginal seal when using a margin elevation technique to manage deep class II cavities should enhance clinical outcomes. SUMMARY:Objectives: The purpose of this laboratory study was to perform a tridimensional interfacial gap evaluation of class II cavities with ename...

journal_title：Operative dentistry

authors： Scotti N,Baldi A,Vergano EA,Tempesta RM,Alovisi M,Pasqualini D,Carpegna GC,Comba A

更新日期：2020-09-01 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：:This article reviews the literature concerning the pulpal effects of composite resin restorations. A number of aspects are addressed, including the composite resin materials themselves, bacterial leakage, acid-etch technique, and dentin bonding procedures. Guidelines for pulpal protection are discussed. ...

journal_title：Operative dentistry

authors： Swift EJ Jr

更新日期：1989-01-01 00:00:00

abstract：:This study investigated the microleakage associated with the repair of non-carious amalgam defects using flowable resin composite. Occlusal amalgam preparations were accomplished on 36 non-carious mandibular molars. A standardized 40-micron marginal defect was made by condensing amalgam against a mylar matrix strip. S...

journal_title：Operative dentistry

authors： Roberts HW,Charlton DG,Murchison DF

更新日期：2001-05-01 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：:The aim of this review was to compile recent evidence related to nanofilled resin composite materials regarding the properties and clinical performance. Special attention was given to mechanical properties, such as strength, hardness, abrasive wear, water sorption, and solubility. The clinical performance of nanocompo...

journal_title：Operative dentistry

authors： Alzraikat H,Burrow MF,Maghaireh GA,Taha NA

更新日期：2018-07-01 00:00:00

abstract：OBJECTIVE:This study evaluated the importance of enamel at the cervical margin for support and retention of a class II composite restoration in relation to fracture strength, fracture mode, and leakage. METHODS:Sixty-five newly extracted teeth were randomly divided into five groups. Within each group, standardized cla...

journal_title：Operative dentistry

authors： Laegreid T,Gjerdet NR,Vult von Steyern P,Johansson AK

更新日期：2011-03-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to present a case report of a patient affected by amelogenesis imperfecta showing a possible minimal and conservative adhesive treatment approach. CLINICAL PROCEDURE:A treatment philosophy of amelogenesis imperfecta is illustrated by means of a case report of a 14-year-old boy who c...

journal_title：Operative dentistry

authors： Ardu S,Duc O,Krejci I,Perroud R

更新日期：2013-05-01 00:00:00

abstract：:The purpose of this study was to develop an accurate and reproducible intraoral method of measuring the distance between two teeth, and to conduct a clinical pilot study of the effect of placement of a class 2 posterior resin restoration upon this intertooth dimension. A Kaman Sciences KD-2611 noncontact displacement ...

journal_title：Operative dentistry

authors： Wang JC,Charbeneau GT,Gregory WA,Dennison JB

更新日期：1989-10-01 00:00:00

abstract：:Standardized class 4 cavities were prepared in bovine incisors and restored with a microfilled composite resin. The composite restorations were retained either by acid etching technique (AET) alone or by acid etching technique in combination with a self-threading retentive pin. Pins covered with a bonding/opaquer coat...

journal_title：Operative dentistry

authors： Attin T,Hellwig E,Hilgers RD,Zimmermann U

更新日期：1994-05-01 00:00:00

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：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：:The steady increase in online health information seeking by patients is ingrained in central notions of patient-centered care and shared decision-making models reflected in operative dentistry and the healthcare industry at large. More patients today seek health information prior to an appointment, communicate their f...

journal_title：Operative dentistry

authors： Walker K

更新日期：2015-09-01 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