Endodontic Access Effect on Full Contour Zirconia and Lithium Disilicate Failure Resistance.

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：:Different approaches have been proposed to improve the adaptation of Class II restorations, including applying low-elasticity modulus base liners. This in vitro fatigue test (or study) evaluated the influence of the compomer base-lining configuration on restoration adaptation. Direct Class II MOD box-shaped composite ...

journal_title：Operative dentistry

authors： Dietschi D,Bindi G,Krejci I,Davidson C

更新日期：2002-09-01 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：: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：:On occasion we receive manuscripts that we would like to publish, but do not have the page room to include in the print journal. For the full article, please go to www.jopdentonline.org or enter the provided address into your address bar. ...

journal_title：Operative dentistry

authors：

更新日期：2018-09-01 00:00:00

abstract：PURPOSE:The present study aimed to investigate a novel adhesive system containing 0.2% chlorhexidine digluconate (CHX) for its ability to improve the stability of the adhesive interface compared with the use of 2% CHX as a therapeutic primer. Furthermore, the study aimed to confirm the inhibitory properties of these CH...

journal_title：Operative dentistry

authors： Sabatini C

更新日期：2013-11-01 00:00:00

abstract：:The effect of microabrasion on human enamel has been well documented; however, no information is available on its effect on dentin or restorative materials. The purpose of this study was to evaluate the effect of the microabrasion technique on the surface roughness of restorative materials and enamel and dentin surfac...

journal_title：Operative dentistry

authors： Chan DC,Lemke KC,Howell ML,Barghi N

更新日期：1996-03-01 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：PURPOSE:To investigate the effect of different light exposure times, shades, and thicknesses on the depth of cure (DOC) of bulk fill composites. METHODS AND MATERIALS:Two bulk fill composites, Tetric EvoCeram Bulk Fill (TBF) and Sonic Fill (SF), and a conventional composite, Filtek Supreme Ultra (FSU), were evaluated....

journal_title：Operative dentistry

authors： Rodriguez A,Yaman P,Dennison J,Garcia D

更新日期：2017-09-01 00:00:00

abstract：OBJECTIVE::Computer aided design-computer aided machining (CAD-CAM) ceramic crowns are replacing ceramo-metal ones due to newly developed mechanical properties and esthetics. To obtain knowledge about their interactions due to polishing and occlusal contacts with the opposing dental enamel specimen, including surface r...

journal_title：Operative dentistry

authors： Daryakenari G,Alaghehmand H,Bijani A

更新日期：2019-01-01 00:00:00

abstract：:The aim of this study was to evaluate the effect of grinding with diamond burs and low-temperature aging on the material surface characteristics and bacteria adhesion on a yttrium-stabilized tetragonal zirconia polycrystalline (Y-TZP) surface. Y-TZP specimens were made from presintered blocks, sintered as recommended ...

journal_title：Operative dentistry

authors： Dutra D,Pereira G,Kantorski KZ,Exterkate R,Kleverlaan CJ,Valandro LF,Zanatta FB

更新日期：2017-11-01 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：OBJECTIVES:To evaluate and compare the fracture toughness of dental CAD/CAM materials of different material classes intended for in-office milling (glass ceramics, hybrid, resin composites) and the influence of aging on this property. METHODS AND MATERIALS:The fracture toughness (critical intensity factor, KIc) values...

journal_title：Operative dentistry

authors： Hampe R,Theelke B,Lümkemann N,Eichberger M,Stawarczyk B

更新日期：2019-07-01 00:00:00

abstract：:This study evaluated the shear-bond strength of 11 luting cements from different material classes to manufactured pre-treated zirconia ceramics (Lava: 97% ZrO2, stabilized with 3% Y2O3). In addition, the influence of the curing method on shear-bond strength was investigated. The cements examined were one zinc-phosphat...

journal_title：Operative dentistry

authors： Piwowarczyk A,Lauer HC,Sorensen JA

更新日期：2005-05-01 00:00:00

abstract：:This in vitro study measured cusp deflection associated with MOD resin composite restorations in maxillary premolars with different curing light modes. Soft-start polymerization may reduce cusp deflection by reducing polymerization shrinkage stress. Forty maxillary premolars were mounted in stone and slot MOD cavities...

journal_title：Operative dentistry

authors： Alomari QD,Mansour YF

更新日期：2005-11-01 00:00:00

abstract：:This in vitro study compared the marginal and internal adaptation of bulk-filled Class I and cuspal coverage direct resin composite restorations filled with different types of adhesive restorative systems and different thicknesses of bonding agent. Seventy-two intact, caries-free, freshly extracted human molars were r...

journal_title：Operative dentistry

authors： Stavridakis MM,Kakaboura AI,Ardu S,Krejci I

更新日期：2007-09-01 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：:This in vitro study evaluated the interfacial integrity of Class II resin composite restorations. The influence of a flowable composite and additional enamel etching was also evaluated. Deep, saucer-shaped Class II cavities were prepared in the mesial and distal proximal surfaces of 25 extracted human molars and assig...

journal_title：Operative dentistry

authors： Belli S,Inokoshi S,Ozer F,Pereira PN,Ogata M,Tagami J

更新日期：2001-01-01 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 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：: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：:This study evaluated in vitro the necessity of retention grooves in approximal boxes in class 2 preparations with faciolingually wide occlusal extensions (occlusal isthmus width 1.8 mm). Thirty-six class 2 mesio-occlusal cavities were prepared in sound human maxillary premolar teeth and divided into three groups of 12...

journal_title：Operative dentistry

authors： Summitt JB,Osborne JW,Burgess JO,Howell ML

更新日期：1993-03-01 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 study compared the clinical performance of a nanofilled resin composite for posterior restorations with 2 microhybrid and 1 packable composite after 12 months of clinical service. Forty-two patients with at least 5 Class I or II restorations under occlusion were enrolled in this study. A total of 148 restorations...

journal_title：Operative dentistry

authors： Dresch W,Volpato S,Gomes JC,Ribeiro NR,Reis A,Loguercio AD

更新日期：2006-07-01 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：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：CLINICAL RELEVANCE:Pigments in tooth structures affect the diffusion of H2O2 through enamel and dentin. The bleaching methodology can be impacted. SUMMARY:Objective: The aim of this study was to evaluate the influence of the presence of pigments in tooth structures on the trans-enamel and trans-dentin diffusion of hyd...

journal_title：Operative dentistry

authors： de Oliveira Duque CC,Soares DG,Briso A,Ortecho-Zuta U,de Oliveira Ribeiro RA,Hebling J,de Souza Costa CA

更新日期：2020-11-01 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：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 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