نتایج جستجو برای: composite restorations

تعداد نتایج: 125659  

2013
Kyou-Li Kim Cheol Namgung Byeong-Hoon Cho

OBJECTIVES In most retrospective studies, the clinical performance of restorations had not been considered in survival analysis. This study investigated the effect of including the clinically unacceptable cases according to modified United States Public Health Service (USPHS) criteria into the failed data on the survival analysis of direct restorations as to the longevity and prognostic variabl...

2017
Elif Yildizer Keris Oguzhan Demirel Melih Ozdede Bulent Altunkaynak Ilkay Peker

PURPOSE The aim of this in vitro study was to assess the diagnostic performance of cone-beam computed tomography (CBCT) in the detection of secondary carious lesions under composite resin fillings applied to different types of cavities. MATERIALS AND METHODS Occlusal cavities (O) (n=18), occlusal cavities with mesial or distal component (MO/DO) (n=30), and mesial-occlusal-distal cavities (MOD...

2017
Safa Tuncer Mustafa Demirci Evren Öztaş Neslihan Tekçe Ömer Uysal

Objectives The aim of the study was to evaluate the 5-year clinical performance of occlusal carious restorations using nanofill and microhybrid composites, in combination with 3-step etch-and-rinse adhesives, in patients who were going to commence orthodontic treatment. Materials and Methods A total of 118 restorations for occlusal caries were conducted prior to orthodontic treatment. Occlusa...

Journal: :The European journal of prosthodontics and restorative dentistry 2017
C McGuirk F Hussain B J Millar

OBJECTIVES Direct composite restorations are increasingly popular and a flowable bulk-fill base material (SDR, Dentsply) claims to minimise stress through a more flexible polymerisation process. This retrospective audit of restorations placed in general practice compares SDR based restorations with conventional composite restorations. METHODS Restorations were all placed by one operator using...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2012
Flávio F Demarco Marcos B Corrêa Maximiliano S Cenci Rafael R Moraes Niek J M Opdam

Resin composites have become the first choice for direct posterior restorations and are increasingly popular among clinicians and patients. Meanwhile, a number of clinical reports in the literature have discussed the durability of these restorations over long periods. In this review, we have searched the dental literature looking for clinical trials investigating posterior composite restoration...

Journal: :British Dental Journal 2021

هدایتی مرزبالی, مهدی, احمدی زنوز, غزاله, اسمی, فاطمه, امیری دانشور, فرشید, خفری, ثریا, زابلی, امین,

Background and purpose: Microleakage occurs in posterior composite restorations due to polymerization shrinkage. In recent years low shrinkage silorane-based composites have been introduced to reduce microleakage. The aim of this study was to evaluate the effect of three different restoration techniques on gingival microleakage of a silorane-based composite in class II restorations. Materials ...

Journal: :Brazilian oral research 2008
Fernanda Sardenberg Clarissa Calil Bonifácio Mariana Minatel Braga José Carlos Pettorossi Imparato Fausto Medeiros Mendes

The aim of this in vitro study was to evaluate four different approaches to the decision of changing or not defective amalgam restorations in first primary molar teeth concerning the loss of dental structure. Ditched amalgam restorations (n = 11) were submitted to four different treatments, as follows: Control group - polishing and finishing of the restorations were carried out; Amalgam group -...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
رویا امینیان roya aminian dental school, shahid beheshti university of medical science, tehran-iran ([email protected])دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی نغمه جماعت لو naghme djamaatloo

background & aim: repair or replacement of restorations is one of the main necessities for health promotion. however, it has its own physical, psychological and economical side effects. the aim of this study was to investigate the prevalence of factors causing restoration replacement or repair. methods & materials: a non probable sampling was used for this cross – sectional observational descri...

2017
Masao Irie Yukinori Maruo Goro Nishigawa

This study investigated the effects on gap formation in Class I restorations (observed by vertical and horizontal forms of inspection) and on the mechanical properties of nine resin composite filling materials when the restorations were subject to finishing immediately after setting or after one-day water storage. Class I restorations with resin composite fillings were polished either immediate...

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