نتایج جستجو برای: biomaterials

تعداد نتایج: 10681  

Journal: :journal of dentistry, tehran university of medical sciences 0
f. haghighati g. saaveh

various materials and techniques have been used in the treatment of periodontal disease to achieve regeneration of lost periodontal tissues including cementum, periodontal ligament (pdl) and alveolar bone. the composition, regenerative potential, application and therapeutic characteristics of several regenerative materials have been evaluated in the present study

This review discusses recent developments in the field of nanosized biomaterials and their use in tissue regeneration approaches. The aim is to provide an overview of the research focused on nanoparticle-based strategies to stimulate regeneration. In particular, nanoparticles improve the regenerative capabilities of biomaterials offering ways to control surface and mechanical properties. Moreov...

This review discusses recent developments in the field of nanosized biomaterials and their use in tissue regeneration approaches. The aim is to provide an overview of the research focused on nanoparticle-based strategies to stimulate regeneration. In particular, nanoparticles improve the regenerative capabilities of biomaterials offering ways to control surface and mechanical properties. Moreov...

Journal: :iranian journal of pharmaceutical sciences 0
mohammad rafienia medical physics and biomedical engineering department, school of medicine, isfahan university of medical sciences, isfahan, iran atefeh solouck biomaterial department, faculty of medical engeneering, amir kabir university of technology, tehran, iran hamid yeganeh polyurethane department, iran polymer and petrochemical institute, tehran, iran

in order to prepare polyurethane elastomers with acceptable physical properties and good biocompatibility, novel polyurethane networks were synthesized via curing reaction of epoxy-terminated polyurethane prepolymers (eups) with hexamethylene diamine. eups were prepared from reaction of glycidol with nco-terminated polyurethanes (itps). itps were also synthesized from reaction of one equivalent...

Journal: :Journal of dental education 2005
Stephen C Bayne

This article reviews the current state of the art for restorative biomaterials by examining the roles of 1) truly biological biomaterials, with respect to the "near-future" of five to ten years, 2) traditional synthetic biomaterials, and 3) performance outcomes for biomaterials. Biological biomaterials are discussed in terms of tissue engineering and stem cell research, self-assembling system o...

Journal: :Nature 2015

2010
Xigeng Miao Dan Sun

Biomaterials include bioceramics, biometals, biopolymers and biocomposites and they play important roles in the replacement and regeneration of human tissues. However, dense bioceramics and dense biometals pose the problem of stress shielding due to their high Young’s moduli compared to those of bones. On the other hand, porous biomaterials exhibit the potential of bone ingrowth, which will dep...

2016
Geesien S.A. Boersema Nienke Grotenhuis Yves Bayon Johan F. Lange Yvonne M. Bastiaansen-Jenniskens

Activation of macrophages is critical in the acute phase of wound healing after implantation of surgical biomaterials. To understand the response of macrophages, they are often cultured in vitro on biomaterials. Since a wide range of biomaterials is currently used in the clinics, we undertook a systematic review of the macrophage polarization in response to these different surgical biomaterials...

2017
Juan Du Xuelai Liu

The diabetic wound healing is a common problem faced by both physicians and surgeons. The applications of nano biomaterials opened a new way to heal diabetic wounds. There were four parts in this review. First, we introduced the concept of the nano biomaterials. Second, we summarized systematically the mechanism of the nano biomaterials used for promoting wound healing. Thirdly, the application...

Journal: :iranian endodontic journal 0
fatemeh abbasipour vahid akheshteh ali rastqar habib khalilkhani saeed asgari mahyar janahmadi shahid beheshti university of medical sciences

introduction: the main goal of this ex vivo study was to assess and compare the cellular and electrophysiological effects of two dental biomaterials, white mineral trioxide aggregate (wmta) and calcium enriched mixture (cem) cement, on neuronal cell excitability and electrical properties. materials and methods: a conventional intracellular current clamp technique was used to study the cellular ...

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