scholarly journals Buffering capacity and antibacterial properties among bioactive glass-containing orthodontic adhesives

2021 ◽  
Author(s):  
Tanawan WANITWISUTCHAI ◽  
Naruporn MONMATURAPOJ ◽  
Ratchapin SRISATJALUK ◽  
Kittitat SUBANNAJUI ◽  
Surachai DECHKUNAKORN ◽  
...  
Keyword(s):  
Bioactive Glass ◽  
Antibacterial Properties ◽  
Buffering Capacity ◽  
Orthodontic Adhesives

scholarly journals Synthesis and Characterization of Silver–Strontium (Ag-Sr)-Doped Mesoporous Bioactive Glass Nanoparticles

Gels ◽  
2021 ◽  
Vol 7 (2) ◽  
pp. 34
Author(s):  
Shaher Bano ◽  
Memoona Akhtar ◽  
Muhammad Yasir ◽  
Muhammad Salman Maqbool ◽  
Akbar Niaz ◽  
...  
Keyword(s):  
Bioactive Glass ◽  
Composite Coatings ◽  
Antibacterial Properties ◽  
Bone Diseases ◽  
Osteogenic Potential ◽  
Diffusion Method ◽  
Charge Composition ◽  
In Vitro Bioactivity ◽  
Mesoporous Bioactive Glass

Biomedical implants are the need of this era due to the increase in number of accidents and follow-up surgeries. Different types of bone diseases such as osteoarthritis, osteomalacia, bone cancer, etc., are increasing globally. Mesoporous bioactive glass nanoparticles (MBGNs) are used in biomedical devices due to their osteointegration and bioactive properties. In this study, silver (Ag)- and strontium (Sr)-doped mesoporous bioactive glass nanoparticles (Ag-Sr MBGNs) were prepared by a modified Stöber process. In this method, Ag+ and Sr2+ were co-substituted in pure MBGNs to harvest the antibacterial properties of Ag ions, as well as pro-osteogenic potential of Sr2 ions. The effect of the two-ion concentration on morphology, surface charge, composition, antibacterial ability, and in-vitro bioactivity was studied. Scanning electron microscopy (SEM), X-Ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR) confirmed the doping of Sr and Ag in MBGNs. SEM and EDX analysis confirmed the spherical morphology and typical composition of MBGNs, respectively. The Ag-Sr MBGNs showed a strong antibacterial effect against Staphylococcus carnosus and Escherichia coli bacteria determined via turbidity and disc diffusion method. Moreover, the synthesized Ag-Sr MBGNs develop apatite-like crystals upon immersion in simulated body fluid (SBF), which suggested that the addition of Sr improved in vitro bioactivity. The Ag-Sr MBGNs synthesized in this study can be used for the preparation of scaffolds or as a filler material in the composite coatings for bone tissue engineering.

scholarly journals Treatment of Infected Tibial Non-Unions with Ilizarov Technique: A Case Series

2020 ◽  
Vol 9 (5) ◽  
pp. 1352 ◽  
Author(s):  
Gianluca Testa ◽  
Andrea Vescio ◽  
Domenico Costantino Aloj ◽  
Danilo Costa ◽  
Giacomo Papotto ◽  
...  
Keyword(s):  
Bioactive Glass ◽  
Antibacterial Properties ◽  
Case Series ◽  
Long Bone ◽  
Ilizarov Technique ◽  
Fixation Technique ◽  
Bone Resection ◽  
Bone Segment ◽  
The Mean

Background: The Ilizarov external fixation technique has been widely used for the treatment of long-bone infected non-unions. After surgical infected bone resection, to allow filling of the remaining bone gap, biomaterials with antibacterial properties could be used. The aim of this study was to report outcomes of infected tibial non-unions treated using the Ilizarov technique and antibacterial bioactive glass. Methods: Between April 2009 and December 2014, 26 patients with infected tibial non-unions were treated with the Ilizarov technique and possible use of the bioactive glass, S53P4. The Association for the Study and Application of Methods of Ilizarov (ASAMI) criteria, a clinical and radiographic evaluating tool, was used for assessing the sample. Results: The average age at the start of treatment was 51 years. The mean follow-up time was 113 weeks. According to the ASAMI Functional Scoring System, 10 excellent (38.5%) cases and 12 good (46.1%) values were recorded. According to the ASAMI Radiological System, they were excellent in 16 (61.5%) cases and good in nine (34.6%). Conclusions: Treatment of infected tibial non-unions using the Ilizarov technique was effective in bone segment regeneration. To fill the remaining bone gap, additional bioactive glass S53P4 could be used, allowing a decrease in re-interventions and minimizing complications.

A Comparative Investigation on Bioactivity and Antibacterial Properties of Sol-Gel Derived 58S Bioactive Glass Substituted by Ag and Zn

Silicon ◽  
2019 ◽  
Vol 11 (6) ◽  
pp. 2741-2751 ◽  
Author(s):  
Mohammad Sadegh Nabizadeh Shahrbabak ◽  
Fariborz Sharifianjazi ◽  
Daruosh Rahban ◽  
Ali Salimi
Keyword(s):  
Bioactive Glass ◽  
Sol Gel ◽  
Antibacterial Properties ◽  
Comparative Investigation

A Novel Sol-Gel Derived Bioactive Glass Featuring Antibacterial Properties

2000 ◽  
Vol 192-195 ◽  
pp. 597-600 ◽  
Author(s):  
M. Bellantone ◽  
N.J. Coleman ◽  
Larry L. Hench
Keyword(s):  
Bioactive Glass ◽  
Sol Gel ◽  
Antibacterial Properties

S53P4 Bioactive Glass - an Alternative Treatment of Bone Defects

2017 ◽  
Vol 68 (2) ◽  
pp. 387-389
Author(s):  
Cristian Trambitas ◽  
Tudor Sorin Pop ◽  
Alina Dia Trambitas Miron ◽  
Dorin Constantin Dorobantu ◽  
Klara Brinzaniuc
Keyword(s):  
Bioactive Glass ◽  
Soft Tissues ◽  
Bone Cells ◽  
Antibacterial Properties ◽  
Bone Defects ◽  
Surrounding Tissue ◽  
Congenital Disease ◽  
Bioactive Glasses ◽  
Rapid Healing ◽  
Specific Reactions

A challenging problem in orthopedic practice is represented by bone defects may they occur from trauma, malignancy, infection or congenital disease. Bioactive Glasses have a widely recognized ability to foster the growth of bone cells, and to bond strongly with both hard and soft tissues. Upon implantation, Bioactive Glasses undergoes specific reactions, leading to the formation of an amorphous calcium phosphate or crystalline hydroxyapatite phase on the surface of the glass, which is responsible for its strong bonding with the surrounding tissue. This phenomenon sustains a more rapid healing of bone defects and presents great antibacterial properties. In this paper we report on a clinical study that uses S53P4 Bioactive Glass to successfully treat bone defects and testify of the good compatibility of this material with human tissues.

scholarly journals The Impact of Composites with Silicate-Based Glasses and Gold Nanoparticles on Skin Wound Regeneration

Molecules ◽  
2021 ◽  
Vol 26 (3) ◽  
pp. 620
Author(s):  
Sorin M. Mârza ◽  
Klara Magyari ◽  
Sidonia Bogdan ◽  
Mirela Moldovan ◽  
Cosmin Peștean ◽  
...  
Keyword(s):  
Bioactive Glass ◽  
Silver Content ◽  
Histopathological Examination ◽  
Healing Process ◽  
Antibacterial Properties ◽  
Regeneration Process ◽  
Wound Healing Process ◽  
Gold Nanocages ◽  
Skin Healing ◽  
The Impact

The silver content of the skin regeneration ointments can influence its regeneration process but in the meantime, it can take the benefit of the antibacterial properties of silver by avoiding the bacterial infection of an open wound. In the current study, the skin healing and regeneration capacity of bioactive glass with spherical gold nanocages (BGAuIND) in the Vaseline ointments were evaluated in vivo comparing the bioactive glass (BG)-Vaseline and bioactive glass with spherical gold (BGAuSP)-Vaseline ointments. Spherical gold nanocages are stabilized with silver and as a consequence the BGAuIND exhibits great antibacterial activity. Histological examination of the cutaneous tissue performed on day 8 indicates a more advanced regeneration process in rats treated with BGAuSP-Vaseline. The histopathological examination also confirms the results obtained after 11 days post-intervention, when the skin is completely regenerated at rats treated with BGAuSP-Vaseline compared with the others groups where the healing was incomplete. This result is also confirmed by the macroscopic images of the evolution of wounds healing. As expected, the silver content influences the wound healing process but after two weeks, for all of the post-interventional trials from the groups of rats, the skin healing was completely.

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