Cast gold molar proximal 1/2 crown.

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：PURPOSE:To investigate clinical performance of a low-shrinkage silorane-based composite resin when used for repairing conventional dimethacrylate-based composite restorations. BACKGROUND:Despite the continued development of resin-based materials, polymerization shrinkage and shrinkage stress still require improvement....

journal_title：Operative dentistry

authors： Popoff DA,Santa Rosa TT,Ferreira RC,Magalhães CS,Moreira AN,Mjör IA

更新日期：2012-09-01 00:00:00

abstract：OBJECTIVES::The use of high-viscosity glass-ionomer cements (HVGICs) for atraumatic restorative treatment (ART) restorations is widely practiced with the advent of various HVGICs. However, the bonding of the latter to caries-affected dentin (CAD) should be validated, especially because it is the common substrate left a...

journal_title：Operative dentistry

authors： El-Deeb HA,Mobarak EH

更新日期：2018-11-01 00:00:00

abstract：:The antibacterial properties of self-etching adhesive systems constitute an important issue in operative dentistry, since viable bacteria can still be present after cavity preparation. The current study evaluated the antibacterial activity of five one-step self-etching adhesives (SEAs) and four self-etching primers (S...

journal_title：Operative dentistry

authors： Esteves CM,Ota-Tsuzuki C,Reis AF,Rodrigues JA

更新日期：2010-07-01 00:00:00

abstract：:This study compared the viscoelastic properties of restorative and flowable bulk-fill resin-based composites (RBCs) with their conventional counterparts and evaluated the impact of aqueous solutions on viscoelastic properties. The materials examined included three conventional RBCs (Filtek Z350, Tetric N Ceram, and Be...

journal_title：Operative dentistry

authors： Yap AU,Eweis AH,Yahya NA

更新日期：2020-03-01 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：:This in vitro study evaluated the wear resistance of resin composite polymerized using four different light-curing systems. For this, a well-defined cylindrical cavity preparation (4.0 mm in diameter x 3.0 mm in depth) was made in a ceramic block (n=4 per material/light condition). Uncured material, either a universal...

journal_title：Operative dentistry

authors： St-Georges AJ,Swift EJ Jr,Thompson JY,Heymann HO

更新日期：2002-07-01 00:00:00

abstract：:This study investigated the effect of conventional and acidified casein phosphopeptide-amorphous calcium phosphate-containing crèmes (CPP-ACP and ACPP-ACP) on dentin permeability (DP) before and after acid challenge, using a fluid-flow measuring device and scanning electron microscopic (SEM) examination. Fifty dentin ...

journal_title：Operative dentistry

authors： Kijsamanmith K,Banomyong D,Burrow MF,Kanchanasantikul P,Wipawiwat S,Srikam S,Laojarungphesatchakorn S

更新日期：2019-09-01 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：: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：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：: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：:A fundamental issue of restorative treatment is assessing the different conditions of cases not only from tooth-to-tooth but also from the activity of each caries lesion and the size of the cavity. In addition, restorative treatment is sometimes carried out for prosthetic and cosmetic purposes and involves cutting sou...

journal_title：Operative dentistry

authors： Bjørndal L

更新日期：2002-05-01 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：:Ceramic root-canal posts offer potential advantages over other types with respect to aesthetics and biocompatibility. Any post must be sufficiently rigid and retentive to withstand functional forces. Ceraposts (1.2 mm coronal diameter, ceramic, tapering, smooth posts) and Paraposts (1.25 mm, stainless-steel, parallel,...

journal_title：Operative dentistry

authors： Purton DG,Love RM,Chandler NP

更新日期：2000-05-01 00:00:00

abstract：:The purpose of this study was to compare the long-term survivals of two low-copper and three high-copper amalgam alloys, and to analyze four clinical factors for their possible effects on the restoration survivals. Some 1476 polished restorations were placed in hospital patients by a large number of operators and asse...

journal_title：Operative dentistry

authors： Smales RJ

更新日期：1991-09-01 00:00:00

abstract：:One hundred cervical caries-free, nonundercut lesions were restored in 13 patients of mean age 60.5 years, using Silux Plus or Estio LC resin composite bonded with Fuji Bond LC. Patients were recalled at 6 months and 1 year. A 1-year cumulative retention rate of 98% was recorded, while marginal staining was absent. ...

journal_title：Operative dentistry

authors： Burrow MF,Tyas MJ

更新日期：1998-11-01 00:00:00

abstract：AIMS:To evaluate the effect of two composite restorative techniques (direct bulk fill vs indirect CAD/CAM) on the fracture resistance and mode of fracture of extended mesio-occlusal-distal (MOD) cavity preparations. METHODS:Fifty-one sound human mandibular third molars were divided into three groups (n=17). Extended b...

journal_title：Operative dentistry

authors： Papadopoulos C,Dionysopoulos D,Tolidis K,Kouros P,Koliniotou-Koumpia E,Tsitrou EA

更新日期：2019-05-01 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：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：:This in vitro study assessed the effect of a step-cure light curing method on resin/dentin bond strength on the buccal wall of Class I cavities in human teeth. Occlusal enamel was removed to expose a flat dentin surface. Twenty four box-shaped cavities (C-factor = 4.5) were prepared in dentin. Prime&Bond 2.1 was appli...

journal_title：Operative dentistry

authors： Santos AJ,Sarmento CF,Abuabara A,Aguiar FH,Lovadino JR

更新日期：2006-05-01 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：: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：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：: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 role of silanes in the bonding of resin luting agents to glass-fiber posts (GFPs) is a controversial topic, and the question still remains whether post silanization is able to improve the retention of GFPs luted into root canals. Thus, this study was designed to determine whether evidence exists to justify silaniz...

journal_title：Operative dentistry

authors： Moraes AP,Sarkis-Onofre R,Moraes RR,Cenci MS,Soares CJ,Pereira-Cenci T

更新日期：2015-11-01 00:00:00

abstract：:Although rare, subcutaneous air emphysema can occur during dental procedures such as endodontic treatment, surgical extractions, and preparing a tooth for an indirect or direct dental restoration. We report the development of a subcutaneous air emphysema that was introduced through the periodontal ligament of an untre...

journal_title：Operative dentistry

authors： Van Tubergen EA,Tindle D,Fox GM

更新日期：2017-09-01 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：: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：: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