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Bioglass 45S5 or calcium sodium phosphosilicate, is a
Bioglass 45S5 or calcium sodium phosphosilicate, is a bioactive glass Bioactive glasses are a group of surface reactive glass-ceramic biomaterials and include the original bioactive glass, Bioglass®. The biocompatibility and bioactivity of these glasses has led them to be used as implant devices in the human body ...
specifically composed of 45 wt% SiO2, 24.5 wt% CaO, 24.5 wt% Na2O, and 6.0 wt% P2O5. Typical applications of Bioglass 45S5 include: bone grafting biomaterial
A biomaterial is a substance that has been engineered to interact with biological systems for a medical purpose, either a therapeutic (treat, augment, repair, or replace a tissue function of the body) or a diagnostic one. As a science, biomateria ...
s, repair of periodontal defects, cranial and maxillofacial repair, wound care, blood loss control, stimulation of vascular regeneration, and nerve repair.
The name "Bioglass®" was trademarked by the University of Florida
The University of Florida (Florida or UF) is a public land-grant research university in Gainesville, Florida. It is a senior member of the State University System of Florida, traces its origins to 1853, and has operated continuously on its ...
as a name for the original 45S5 composition. It should therefore only be used in reference to the 45S5 composition and not as a general term for bioactive glasses. Bioglass 45S5 is available commercially under the registered trade name NovaMin, which is owned by the pharmaceutical company GlaxoSmithKline
GSK plc, formerly GlaxoSmithKline plc, is a British multinational pharmaceutical and biotechnology company with global headquarters in London, England. Established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham. GSK is the ten ...
. NovaMin is bioactive glass that has been ground into a fine particulate with a median size of less than 20 microns. It can reduce dentin hypersensitivity
Dentin hypersensitivity (DH, DHS) is dental pain which is sharp in character and of short duration, arising from exposed dentin surfaces in response to stimuli, typically thermal, evaporative, tactile, osmotic, chemical or electrical; and which ca ...
by blocking open dentinal tubule
In biology, a tubule is a general term referring to small tube or similar type of structure. Specifically, tubule can refer to:
* a small tube or fistular structure
* a minute tube lined with glandular epithelium
* any hollow cylindrical body stru ...
s and by supplying cal