نتایج جستجو برای: bioactive glass fibers

تعداد نتایج: 169633  

2008
Manoj Humagain Dilip G Nayak Ashita S Uppoor

Correspondence to: Manoj Humagain Department of Periodontics Manipal College of Dental Sciences Mangalore, Karnataka,India Email: [email protected] Phone: +919886446797 Abstract Bioactive glass particulate has been applied to dentistry in the treatment of bone defects, ridge preservation and periodontal bone defects including the furcation defects. The aim of this study was to compare the c...

2016
E. O. TAHA E. C. BOROWSKI U. F. KANDIL A. EL - SAYED AWADALLAH A. A. ABOUL - ENEIN M. R. TAHA

This paper discusses the potential use of multi-walled carbon nanotubes (MWCNTs) to improve the mechanical properties of short glass fiber composites. Two methods to incorporate MWCNTs in short glass fiber composite fabrication were examined. First, Carboxylic-functionalized MWCNTs were dispersed in a silane fiber sizing material and then were allowed to bond to the surface of glass fibers. Sec...

Journal: :Environmental Health Perspectives 1994
N F Johnson

The dissolution rate of glass fibers has been shown to be pH sensitive using in vitro lung fluid simulant models. The current study investigated whether there is a difference in phagosomal pH (ppH) between rat alveolar macrophages (AM) and rat nasal epithelial cells (RNEC) and whether such a difference would influence the dissolution of glass fibers. The ppH was measured in cultured AM and RNEC...

2016
Olli-Pekka Lappalainen Sakari S. Karhula Marianne Haapea Sami Kauppinen Mikko Finnilä Simo Saarakkala Willy Serlo George K. Sándor

OBJECTIVES The purpose of the present study was to evaluate bone healing in rabbit critical-sized calvarial defects using two different synthetic scaffold materials, solid biodegradable bioactive glass and tricalcium phosphate granules alongside solid and particulated autogenous bone grafts. MATERIAL AND METHODS Bilateral full thickness critical-sized calvarial defects were created in 15 New ...

Journal: :Clinical implant dentistry and related research 2010
Fábio André Santos Márcia Thaís Pochapski Marilia Campagnoni Martins Elton Gonçalves Zenóbio Luís Carlos Spolidoro Elcio Marcantonio

BACKGROUND Bone graft procedures have been used commonly in buco-maxillo-facial surgery. For this reason, many researchers have evaluated the bone substitutes. PURPOSE The present study evaluated soft and hard tissue reactions to two different hydroxyapatites HAs (synthetic HA and natural HA) and bioactive glass implanted into the sockets immediately after extraction. MATERIALS AND METHODS ...

2017
Amy Nommeots-Nomm Jonathan Massera

Synthetic biomaterials mimicking bone morphology have expanded at a tremendous rate. Among all, one stands out: bioactive glass. Bioactive glasses opened the door to a new genre of research into materials able to promote the regeneration of functioning bone tissue. However, despite their ability to promote cell attachment, proliferation and differentiation, these materials are mainly used as gr...

Journal: :Acta biomaterialia 2011
Sheng Yue Peter D Lee Gowsihan Poologasundarampillai Julian R Jones

Bioactive glass has high potential for bone regeneration due to its ability to bond to bone and stimulate osteogenesis whilst dissolving in the body. Although three-dimensional (3-D) bioactive glass scaffolds with favorable pore networks can be made from the sol-gel process, compositional and structural evolutions in their porous structures during degradation in vivo, or in vitro, have not been...

Journal: :International Journal of Molecular Sciences 2019

Journal: :European review for medical and pharmacological sciences 2016
C-B Han S-C An

OBJECTIVE To explore the application value of injectable bioactive glass in the restoration of the oral bone defect. PATIENTS AND METHODS This study included 58 consecutive patients with oral bone defect > 1 mm, these patients were randomly assigned to a control group (n=26, Hydroxyapatite bioceramics) and an observation group (n=32, Injectable bioactive glass). The purpose of this study was ...

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