Journal
TRANSLATIONAL MATERIALS RESEARCH
Volume 4, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1613/aa53b5
Keywords
biomaterials; bioactive glass; glass fibers; workability; tissue engineering; tissue regeneration
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Funding
- Sao Paulo Research Foundation (FAPESP - Brazil) [2011/22937-9, 2013/07793-6]
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Bioactive glasses are able to chemically bond to hard and soft tissues and have been proposed and used for tissue regeneration in several dentistry and medical applications. However, the majority of bioactive glass compositions do not support prolonged or repeated heat treatments, since these procedures often result in uncontrolled crystallization, which usually degrade their mechanical properties and, in most instances, substantially diminish their bioactivity. Therefore, the manufacturing of 3D devices, fibers or scaffolds, which aim to expand the usage of these materials, is a challenging task. To overcome this phenomenon, a new bioactive glass composition was recently developed at the Vitreous Materials Laboratory (LaMaV-UFSCar, Brazil) and licensed to the start-up company VETRA. This new bioactive glass composition shows high stability against crystallization coupled with high bioactivity, which allows the development of bioactive fibers, meshes and other complex 3D shapes. In addition, this bioactive glass has an elevated bioactivity, is bioresorbable and flexible (in fiber form), which makes this glass a potential alternative for soft and hard tissue regeneration. In this article, we discuss this recent development and summarize the latest advances in testing the effectiveness of this new material in in vitro and in vivo tests. To date, the results indicate that this new glass composition presents a larger workability window, which allows the development of numerous medical devices. This feature combined with the high bioactivity of this new glass delivers a promising broad spectrum of applications as a material for tissue engineering.
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