نتایج جستجو برای: resin composite restorations
تعداد نتایج: 150528 فیلتر نتایج به سال:
Esthetic or cosmetic dentistry is one of the main areas of dental practice. Increasing demand of patients for esthetics has resulted in the development of several techniques for restoring the anterior teeth. Composite resin restorations have become an integral part of contemporary restorative dentistry and can be called "star of minimal invasion" due to its conservative concepts. The direct com...
Replacing tooth structure that is lost due to trauma to the anterior teeth remains a challenge to the restorative dentist. The restorations must not only be able to withstand masticatory forces and stress but also be esthetically pleasing and acceptable. Materials and techniques have been developed and continue to be developed to improve the outcomes of our services. Although there is still no ...
Pain is one of the most frequent reasons for seeking dental treatment and clinical observations confirm that patients complain of dentinal sensitivity under different conditions and degrees of intensity. This is a very frequent problem after dental restorations with resin composite, even when there is no visible failure in the restoration. The aim of this bibliographic review was to identify th...
AIM This study aimed to compare the solubility of a universal restorative resin composite (Filtek Z250; FZ250) and a silorane-based resin composite (Filtek Silorane; FS) after immersion in alcohol-containing mouthrinse, alcohol-free mouthrinse, and artificial saliva. METHODS 30 discs (10 mm × 1 mm) were prepared from each material and desiccated until a constant mass was obtained. Specimens w...
Early tooth-colored restorative materials were weak and only suitable for anterior teeth. Over time, composites were developed that offered improved properties enabling their use in posterior teeth where subject to occlusal loading and forces of mastication. Secondary caries is the main reason for failure of both amalgam and composite restorations. Amalgam restorations offer ease-of-use but poo...
BACKGROUND Composite resins have esthetic properties; they join the ability to preserve and reinforce sound tooth structure. Conservation is becoming popular for both small to medium defects and more compromised teeth. PURPOSE This study aimed to evaluate the clinical performance of Class II cuspal coverage direct composite restorations. MATERIALS AND METHODS Twenty patients, 18 years or ol...
Color matching in the anterior superior incisor region (ASIR) is very difficult when using a rubber dam during restorative procedures. This study measured temperature/relative humidity parameters in the ASIR and evaluated the influence of the inhalation/downtime/exhalation mouth-breathing cycle on microleakage in composite resin restorations performed in the region, using three different adhesi...
Background Composite resin, serves as esthetic alternative to amalgam and cast restorations. Posterior teeth can be restored using direct or indirect composite restorations. The selection between direct and indirect technique is a clinically challenging decision-making process. Most important influencing factor is the amount of remaining tooth substance. Aim The aim of this systematic review ...
Laboratory evaluation of composite wear resistance with and without occlusal index Dr. MJ. Moghadas * - Dr. N. Sarabi * - Dr. H. Ameri * - Dr. A. Salehi** *Assistant Professor of Operative Dentistry Dept., Faculty of Dentistry, Mashhad University of Medical Sciences. ** Dentist. Abstract Background and Aim: The polishing and finishing procedures may cause topographical changes and introduce sub...
OBJECTIVE This study was undertaken to determine the effect of temperature on the microhardness and viscosity of 4 resin composite materials. METHODS To investigate microhardness, samples of each of the 4 composite materials, prepared by standard insertion of resin into prefabricated moulds, were divided into 2 groups (n = 10 per group). On the first group, the resin composite materials were ...
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