نتایج جستجو برای: direct composite

تعداد نتایج: 542442  

Journal: :Practical procedures & aesthetic dentistry : PPAD 2007
Jack D Griffin

Restoring teeth using direct composite veneers can be quite challenging for a clinician. Achieving natural color blending, masking dark teeth, removing decay, and providing a natural finish require meticulous placement with various composite opacities and shades. Critical self-evaluation using digital photography, documentation, and follow-up visits to perform veneer enhancements are critical t...

2015
Rajat Sharma Rajendra K Tewari Surendra K Mishra Syed S. Ahmed

Esthetic restorations always play an important role for emotional and psychological well being of the patient. A beautiful smile quickly radiates excitement, passion, and charisma among the people. The fracture of anterior teeth always becomes cosmetic problem in many cases. Before closing the space, proper diagnosis of the cause, knowing the hope and expectation of patient, available treatment...

Journal: :Quintessence international 1994
A Jokstad I A Mjör K Nilner S Kaping

The long-term performance of two chemically activated composite resins was compared to that of one silicate cement. Bulk and cavosurface marginal discoloration was evaluated with both an indirect photographic method and the direct US Public Health Service evaluation system. The results confirmed that composite resins had superior performance but higher secondary caries incidence than did silica...

Journal: :Brazilian dental journal 2013
Gustavo Giacomelli Nascimento Marcos Britto Correa Niek Opdam Flávio Fernando Demarco

The aims of this study were to evaluate the materials available for posterior restorations and to assess whether clinical experience time and post-graduate training influence dentists' choices. A cross-sectional study was conducted using a questionnaire with closed questions applied to dentists (n=276) of a mid-sized city of the southern Brazil. Information was collected regarding sociodemograp...

2016
Aidan G. O’Keeffe Daniel M. Farewell Brian D. M. Tom Vernon T. Farewell

In longitudinal randomised trials and observational studies within a medical context, a composite outcome-which is a function of several individual patient-specific outcomes-may be felt to best represent the outcome of interest. As in other contexts, missing data on patient outcome, due to patient drop-out or for other reasons, may pose a problem. Multiple imputation is a widely used method for...

2015
Sufyan K. Garoushi Marwa Hatem Lippo V. J. Lassila Pekka K. Vallittu

Objectives: To determine the marginal microleakage of Class II restorations made with different composite base materials and the static load-bearing capacity of direct composite onlay restorations. Methods: Class II cavities were prepared in 40 extracted molars. They were divided into five groups (n = 8/group) depending on composite base material used (everX Posterior, SDR, Tetric EvoFlow). Aft...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1379

‏‎for the first time nakayama introduced qf-ring. in 1967 carl. faith and elbert a. walker showed that r is qf-ring if and only if each injective right r-module is projective if and only if each injective left r-modules is projective. in 1987 s.k.jain and s.r.lopez-permouth proved that every ring homomorphic images of r has the property that each cyclic s-module is essentialy embeddable in dire...

Journal: :Dental materials journal 2015
Serkan Saridag Dilek Helvacioglu-Yigit Gamze Alniacik Mutlu Özcan

Radiopacity is an important property of composite materials for clinical diagnosis. For seven direct composites (Aelite LS Posterior, Aelite All-Purpose Body, Quadrant Universal LC, Clearfil Majesty Posterior, Clearfil Majesty Esthetic, Filtek Ultimate Dentin, IPS Empress Direct Dentin) and six indirect composites (Ceromega, Epricord, Estenia C&B, Tescera, Signum Ceramis, Solidex), diskshaped s...

2018
Reuven Balkin Gilad Perez Andreas Weiler

We examine the dark matter phenomenology of a composite electroweak singlet state. This singlet belongs to the Goldstone sector of a well-motivated extension of the Littlest Higgs with T-parity. A viable parameter space, consistent with the observed dark matter relic abundance as well as with the various collider, electroweak precision and dark matter direct detection experimental constraints i...

Journal: :General dentistry 2011
Brian LeSage

To achieve the benefits that composite restorations can provide, it is incumbent on dentists to understand the importance of proper finishing and polishing techniques and how to incorporate them appropriately into everyday practice. A smooth surface finish is clinically necessary because the presence of surface irregularities from poor finishing and polishing can lead to staining, plaque retent...

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