Sudden Onset of Subcutaneous Air Emphysema After the Application of Air to a Maxillary Premolar Located in a Nonsurgical Field.

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: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：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：:The stronger the ceramic material, the longer the restoration stays in the mouth. The current study evaluated the two-year clinical performance of a strong ceramic system, IPS Empress II, with increased strength on onlay/inlay restorations of molars. Teeth from 35 patients, including three premolars and 32 molars, wer...

journal_title：Operative dentistry

authors： Tagtekin DA,Ozyöney G,Yanikoglu F

更新日期：2009-07-01 00:00:00

abstract：PURPOSE:This study evaluated the effect of thermocycling on the microtensile bond strength of four adhesive luting agents to GN-I CAD-CAM ceramic. The hypothesis tested was that thermocycling did not affect bonding effectiveness, irrespective of the luting agents used. MATERIALS AND METHODS:Ceramic specimens of two di...

journal_title：Operative dentistry

authors： Peumans M,Hikita K,De Munck J,Van Landuyt K,Poitevin A,Lambrechts P,Van Meerbeek B

更新日期：2007-07-01 00:00:00

abstract：:Light Emitting Diode (LED) curing units are attractive to clinicians, because most are cordless and should create less heat within tooth structure. However, questions about polymerization efficacy have surrounded this technology. This research evaluated the adequacy of the depth of cure of pit & fissure sealants provi...

journal_title：Operative dentistry

authors： Platt JA,Clark H,Moore BK

更新日期：2005-11-01 00:00:00

abstract：:Even though accuracy and inter-examiner variation assessments of borderline restorative items have been previously reported, no attempt has been made to replicate the effect of cumulative, sequential diagnostic and treatment planning decisions. This study assesses the cumulative effect of factors indicating restorativ...

journal_title：Operative dentistry

authors： Maupomé G

更新日期：2000-07-01 00:00:00

abstract：:This study investigated the reasons for placement and replacement of dental restorations in the United States Navy Dental Corps. The relationship between restoration longevity and the reasons for replacement of restorations was also studied. Data on newly placed dental restorations were collected from restorative dent...

journal_title：Operative dentistry

authors： York AK,Arthur JS

更新日期：1993-09-01 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：INTRODUCTION:Limited access to interdental spaces complicates removal of excess material when placing class II composite resin restorations. Evidence-based recommendations on interproximal finishing are rare. We present novel microscalpels for this indication. The aim of the study was to test their fracture strength an...

journal_title：Operative dentistry

authors： Wolff D,Schick S,Staehle HJ,Frese C

更新日期：2017-05-01 00:00:00

abstract：:Dental fluorosis is a developmental disturbance of enamel caused by excessive fluoride on ameloblasts during enamel formation. Patients often present to the dentist with a main goal of improving their esthetic appearance. This case report describes a minimally invasive technique for treating a severe case of enamel fl...

journal_title：Operative dentistry

authors： Wang Y,Sa Y,Liang S,Jiang T

更新日期：2013-07-01 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：OBJECTIVES:To evaluate the clinical behavior of one-piece complete-coverage crowns and fixed partial dentures (FPDs) on teeth with vertical preparation without finish line biologically oriented preparation technique (BOPT). METHODS AND MATERIALS:This prospective study included 52 patients requiring treatment with rest...

journal_title：Operative dentistry

authors： Agustín-Panadero R,Serra-Pastor B,Fons-Font A,Solá-Ruíz MF

更新日期：2018-09-01 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

abstract：CLINICAL RELEVANCE:The degree of conversion of contemporary universal adhesives positively correlates with the bond strength to dentin. The correlation is more marked after thermocycling, suggesting that a high degree of conversion is required for long-term dentin bonding durability. SUMMARY:Purpose: The objectives of...

journal_title：Operative dentistry

authors： Tichy A,Hosaka K,Abdou A,Nakajima M,Tagami J

更新日期：2020-09-01 00:00:00

abstract：:This study evaluated the degree of conversion (%DC) of luting agents around ceramic inlays placed in deep natural cavities. Thirty-six cylindrical Class I cavities (diameter = 4 mm, depth = 4 mm) were prepared in freshly extracted human teeth and randomly divided according to the luting materials used for luting CAD/C...

journal_title：Operative dentistry

authors： Lohbauer U,Pelka M,Belli R,Schmitt J,Mocker E,Jandt KD,Müller FA

更新日期：2010-09-01 00:00:00

abstract：:While a one-year report had been previously published, this study was undertaken to evaluate the clinical performance and appearance of a resin-modified glass ionomer and a resin composite over two years. Thirty-seven pairs of restorations of FujI II LC and Z 250/Single Bond were placed in caries-free cervical erosion...

journal_title：Operative dentistry

authors： Brackett WW,Dib A,Brackett MG,Reyes AA,Estrada BE

更新日期：2003-09-01 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：OBJECTIVES:The aim of this study was to quantify the internal void volume formation in commercially available, resin composites inserted using conventional or sonic insertion methods, and analyzed using three-dimensional (3D) micro-computed tomography (μCT). METHODS AND MATERIALS:Four resin composites were evaluated: ...

journal_title：Operative dentistry

authors： Hirata R,Pacheco RR,Caceres E,Janal MN,Romero MF,Giannini M,Coelho PG,Rueggeberg FA

更新日期：2018-03-01 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：:SUMMARY The purpose of this study was to evaluate the influence the width of the occlusal isthmus and inlay material had on the stress distribution, displacement, and fracture resistance of upper human premolars. For this in vitro test, 35 intact upper premolars (UPM) were selected and five were kept intact for the co...

journal_title：Operative dentistry

authors： Costa A,Xavier T,Noritomi P,Saavedra G,Borges A

更新日期：2014-07-01 00:00:00

abstract：:Most currently marketed fluoride varnishes (FVs) have not been evaluated for their effectiveness in preventing dental caries. The objective of this study was to investigate the anticaries efficacy, measured as fluoride release into artificial saliva (AS); change in surface microhardness of early enamel caries lesions;...

journal_title：Operative dentistry

authors： Dehailan LA,Martinez-Mier EA,Eckert GJ,Lippert F

更新日期：2019-09-01 00:00:00

abstract：:The present clinical case report describes the clinical steps of enamel microabrasion associated with dental bleaching to restore severely-pitted fluorosed teeth. The process of removing the fluorotic superficial stains started by using macroabrasion with a water-cooled fine tapered 3195 FF diamond bur. Rubber dam iso...

journal_title：Operative dentistry

authors： Sundfeld D,Pavani CC,Pini N,Machado LS,Schott TC,Sundfeld RH

更新日期：2019-11-01 00:00:00

abstract：:Under clinical conditions, the time needed for the proper light curing of luting composites or the multi-incremental buildup of a large restoration with halogen curing units is quite extensive. Due to the development of high power curing devices, such as argon lasers and plasma arc lights and, in order to decrease cur...

journal_title：Operative dentistry

authors： Knezevic A,Ristic M,Demoli N,Tarle Z,Music S,Negovetic Mandic V

更新日期：2007-05-01 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：: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：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：: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：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：:Treatment of a caries active patient requires the clinician to be knowledgeable in the restorative and risk management issues with which these patients often present. Modifications of risk factors that promote dental caries play an important part in the long-term restorative success in these patients. Patient complian...

journal_title：Operative dentistry

authors： Newitter DA,Meiers JC,Kazemi RB

更新日期：2002-03-01 00:00:00