induce bone formation
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Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1129
Author(s):  
Mahmoud Agour ◽  
Abdalla Abdal-hay ◽  
Mohamed K. Hassan ◽  
Michal Bartnikowski ◽  
Sašo Ivanovski

The aim of this study was to form a functional layer on the surface of titanium (Ti) implants to enhance their bioactivity. Layers of polyurethane (PU), containing hydroxyapatite (HAp) nanoparticles (NPs) and magnesium (Mg) particles, were deposited on alkali-treated Ti surfaces using a cost-effective dip-coating approach. The coatings were assessed in terms of morphology, chemical composition, adhesion strength, interfacial bonding, and thermal properties. Additionally, cell response to the variably coated Ti substrates was investigated using MC3T3-E1 osteoblast-like cells, including assessment of cell adhesion, cell proliferation, and osteogenic activity through an alkaline phosphatase (ALP) assay. The results showed that the incorporation of HAp NPs enhanced the interfacial bonding between the coating and the alkali-treated Ti surface. Furthermore, the presence of Mg and HAp particles enhanced the surface charge properties as well as cell attachment, proliferation, and differentiation. Our results suggest that the deposition of a bioactive composite layer containing Mg and HAp particles on Ti implants may have the potential to induce bone formation.


Author(s):  
Daphne de Camargo Reis Mello ◽  
Jonatas Rafael de Oliveira ◽  
Carlos Alberto Alves Cairo ◽  
Lais Siebra de Brito Ramos ◽  
Mariana Raquel da Cruz Vegian ◽  
...  

2017 ◽  
Vol 3 (1) ◽  
Author(s):  
Sanaz Gholami ◽  
Sheyda Labbaf ◽  
Arezou Baharlou Houreh ◽  
Hung-Kai Ting ◽  
Julian R. Jones ◽  
...  

AbstractBioactive glasses (BG) are known for their ability to induce bone formation by the action of their dissolution products. Glasses can deliver active ions at a sustained rate, determined by their composition and surface area. Nanoporous sol-gel derived BGs can biodegrade rapidly, which can lead to a detrimental burst release of ions and a pHrise. The addition of phosphate into the glass can buffer the pH during dissolution. Here, dissolution of BG with composition 60 mol% SiO


2017 ◽  
Vol 264 ◽  
pp. 29-32
Author(s):  
Nurul Farhana Ibrahim ◽  
Hasmaliza Mohamad ◽  
Siti Noor Fazliah Mohd Noor ◽  
Nurazreena Ahmad

Hydroxyapatite (HA) has similar constituent with natural bone mineral and is able to evoke apatite formation on the bone interface. Similarly, bioactive glass (BG) such as 45S5 has the ability to induce bone formation when exposed to physiological environment. However, both materials have drawbacks in mechanical properties such as brittleness and low compressive strength. Hence, HA-BG composite has potential for enhance properties. The current work aims to assess the effects of BG addition in HA system focusing on mechanical properties.


2017 ◽  
Vol 32 (6) ◽  
pp. 1047-1060 ◽  
Author(s):  
Rafid Kasir ◽  
Varadraj N. Vernekar ◽  
Cato T. Laurencin

Inductive biomaterials are sought as alternatives to traditional materials used to treat bone defects. Traditional materials include autologous bone grafts that must be obtained surgically, and allografts that carry the risk of disease transmission and infection. Whereas the use of growth factors to stimulate bone growth has seen considerable advances, their efficacy is usually limited to supra-physiological doses with considerable side effects. On the other hand, certain biomaterials have an intrinsic ability to stimulate bone regeneration in lieu of growth factor use, and their use in repairing bone defects as well as improving the osteointegration of implants has been promising. These materials known as osteoinductive biomaterials include ceramics, metals, polymers, and composites of these materials. In this review, we examine the relevant properties of these different materials in their ability to induce bone formation.


2015 ◽  
Vol 7 (2) ◽  
pp. 64-70
Author(s):  
VT Pramod

Abstract The ultimate goal of periodontal therapy should not be limited to the establishment and maintenance of periodontal health. The potential for regeneration of the hard and soft periodontal tissues lost to disease should be considered. Of all the bone grafting materials being developed, the demineralized freeze dried bone allograft (DFDBA) has been used as a substitute for bone graft for more than four decades. The basis for the use of any bone grafting material is to induce bone formation. In this article various bone grafts and biomaterials used are reviewed. How to cite this article Tatuskar P, Prakash S. Bone Grafts in Periodontics -A Review. CODS J Dent 2015;7: 64-70.


2010 ◽  
Vol 15 (6) ◽  
pp. 1364-1378 ◽  
Author(s):  
Anja M. Boos ◽  
Johanna S. Loew ◽  
Gloria Deschler ◽  
Andreas Arkudas ◽  
Oliver Bleiziffer ◽  
...  

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