نتایج جستجو برای: secondary dentin formation
تعداد نتایج: 820171 فیلتر نتایج به سال:
Background and Aims: Instrumentation of the root canals results in formation of smear layer which covers the dentinal tubules. In infected teeth, it is ideal to achieve a material that has the ability to remove the smear layer besides antimicrobial activity. Therefore, this study was designed to evaluate the antimicrobial effect of Citrus aurantifolia extracts (lime juice and rind extract) on E...
Background and Aim: Achieving adhesion between restorative materials and dentin as a wet and dynamic surface is an important topic in restorative and especially in conservative dentistry. Adhesion of new dentin bonding systems depends on the formation of hybrid layer and micromechanical retention. Nevertheless, an ideal adhesive system has not yet been introduced .Recent studies reveal an incre...
Intrinsically disordered proteins (IDPs) have the potential to play a unique role in the study of proteins and the relationships between structure and function. Intrinsic disorder affects chemical and cellular events such as cell signaling, macromolecular self-assembly, protein removal and crystal nucleation and growth. This chapter explores the structural principles by which IDPs act and revea...
Abstract Background Forensic odontology deals with age, sex, and race determination of the deceased at crime scenes, disasters, or natural calamities. Studies regarding role secondary dentin in age estimation have been documented on a several occasions literature but use gender predilection has not yet documented. So, present study was aimed using as diagnostic tool predilection. Materials Meth...
Comparison of microleakage in different methods of restoration in posterior Clv cavities - Dr. N. Mohammadi* Dr. R. Khezrian** *- Assistant professor of Operative Dentistry Dept. Faculty of Dentistry Tabriz University of Medical Sciences. ** - Dentist. Background and aim: Despite improvements in the properties of composites, glass ionomers and other tooth colored materials, a nu...
The responsiveness of the dentin-pulp complex is possible due to stimulation dental pulp cells, which begin synthesize and secrete dentin matrix. inflammatory process generated by harmful stimuli should be understood as a natural event immune response, resulting in recruitment hematopoietic cross endothelial barrier reach site affected injury order eliminate damage provide an appropriate enviro...
Early history of dentin bonding Attempts to develop an adhesive system which bonds acrylic resins to the tooth structure started in the early 1950s. In 1949, an adhesive system capable of bonding acrylic resin to the tooth structure was invented by Hagger; it was composed of glycerophosphoric acid dimethacrylate (GPDM) and sulfinic acid as the catalyst. In his patent, shear bond strengths of ac...
Progenitor cells play an important biological role in tooth and bone formation, and previous analyses during bone and dentine induction have indicated that they may be a good alternative for tissue engineering. Thus, to clarify the influence of the microenvironment on protein and gene expression, MDPC-23 cells (mouse dental papilla cell line) and KUSA/A1 cells (bone marrow stromal cell line) we...
Enamel matrix derivative (EMD) has been found to induce reactive dentin formation; however the molecular mechanisms involved are unclear. The effect of EMD (5-50 μg/mL) on primary human pulp cells were compared to untreated cells and cells incubated with 10⁻⁸ M dexamethasone (DEX) for 1, 2, 3, 7, and 14 days in culture. Expression analysis using Affymetrix microchips demonstrated that 10 μg/mL ...
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