نتایج جستجو برای: 45s5

تعداد نتایج: 236  

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2011
Renata N Granito Ana Claudia Rennó Christian Ravagnani Paulo S Bossini Daniel Mochiuti Vanda Jorgetti Patricia Driusso Oscar Peitl Edgar D Zanotto Nivaldo A Parizotto Jorge Oishi

This study aimed to investigate bone responses to a novel bioactive fully crystallized glass-ceramic of the quaternary system P(2)O(5)-Na(2)O-CaO-SiO(2) (Biosilicate®). Although a previous study demonstrated positive effects of Biosilicate® on in vitro bone-like matrix formation, its in vivo effect was not studied yet. Male Wistar rats (n = 40) with tibial defects were used. Four experimental g...

Journal: :Materials advances 2021

Sol–gel synthesis of BG 45S5 using organic acetic acid as a catalyst was found to be superior the conventional inorganic method.

ژورنال: :فرآیندهای نوین در مهندسی مواد 0
مجتبی نصراصفهانی عضو هیات علمی دانشکده علوم پایه نجف اباد عاطفه خراسانی فردوانی دانشگاه آزاد اسلامی نجف آباد علی حسن زاده دانشگاه آزاد اسلامی واحد نجف آباد

این تحقیق توسعه پوشش های حاوی ذرات شیشه زیست فعال (45s5) و نانو ذرات tio2 در سل اسیدی هیبریدی از 3- متااکریلوکسی پروپیل تری متوکسی سیلان (tmsm) و تترا اتوکسی سیلیکات (teos) را که بر روی صفحات شیشه ایی به روش لایه نشانی چرخشی اعمال شده است به منظور اصلاح فعالیت آپاتیت سازی پوشش توصیف می کند. چسبندگی فیلم های تهیه شده بوسیله روش برش متقاطع بررسی شد. نتایج نشان داد که حضور ذرات 45s5 و tio2 در ماتر...

2016
C. Knabe A. Houshmand Paul Ducheyne M. Stiller G. Berger P. Ducheyne R. Gildenhaar I. Kranz

Ideally, bioactive ceramics for use in alveolar ridge augmentation should possess the ability to activate bone formation and, thus, cause the differentiation of osteoprogenitor cells into osteoblasts at their surfaces. Therefore, in order to evaluate the osteogenic potential of novel bone substitute materials, it is important to examine their effect on osteoblastic differentiation. This study e...

Journal: :Physical chemistry chemical physics : PCCP 2012
Richard A Martin Robert M Moss Nilay J Lakhkar Jonathan C Knowles Gabriel J Cuello Mark E Smith John V Hanna Robert J Newport

Melt quenched silicate glasses containing calcium, phosphorus and alkali metals have the ability to promote bone regeneration and to fuse to living bone. Of these glasses 45S5 Bioglass® is the most widely used being sold in over 35 countries as a bone graft product for medical and dental applications; particulate 45S5 is also incorporated into toothpastes to help remineralize the surface of tee...

2017
Fabian Westhauser Francesca Ciraldo Preethi Balasubramanian Anne-Sophie Senger Gerhard Schmidmaier Arash Moghaddam Aldo R. Boccaccini

Three-dimensional 45S5 bioactive glass (BG)-based scaffolds are being investigated for bone regeneration. Besides structural properties, controlled time-dependent alteration of scaffold morphology is crucial to achieve optimal scaffold characteristics for successful bone repair. There is no in vitro evidence concerning the dependence between structural characteristics and dissolution behavior o...

Journal: :Dental Materials Journal 2021

This study was to evaluate the acid-buffering capacity and antibacterial properties of orthodontic adhesives containing bioactive glasses (BAGs) (45S5, 45S5F, S53P4), Hydroxyapatite, beta-tricalcium phosphate, Canasite. Fillers comprising 15 wt% glasses, HAp, β-TCP, Canasite incorporated with 55 silanated glass were added a mixture UDMA/TEGDMA. Acid-buffering tested by exposing disc-shaped samp...

2017
M. Mačković A. Hoppe R. Detsch D. Mohn W. J. Stark E. Spiecker

Bioactive glasses represent important biomaterials being investigated for the repair and reconstruction of diseased bone tissues, since they exhibit outstanding bonding properties to human bone. In the present study bioactive glass (type 45S5) nanoparticles (nBG) with a mean particle size in the range of 20-60 nm, synthesized by flame spray synthesis, are investigated in relation to in vitro bi...

Journal: :International endodontic journal 2008
M Gubler T J Brunner M Zehnder T Waltimo B Sener W J Stark

AIM To test whether bioactive glasses kill microbiota via mineralization or the release of ions other than sodium. METHODOLOGY Flame-spray synthesis was applied to produce nanometric glasses of different sodium content and constant Ca/P ratio: 28S5, 45S5 and 77S. Calcium hydroxide and nanometric tricalcium phosphate (TCP) were used as controls. Apatite induction was monitored by Raman spectro...

Journal: :International journal of dentistry 2015
Melissa H X Tan Robert G Hill Paul Anderson

Air abrasion as a caries removal technique is less aggressive than conventional techniques and is compatible for use with adhesive restorative materials. Alumina, while being currently the most common abrasive used for cutting, has controversial health and safety issues and no remineralisation properties. The alternative, a bioactive glass, 45S5, has the advantage of promoting hard tissue remin...

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