Bioactive glass
Bioactive glass is a type of glass that has the ability to interact with the body and cause beneficial changes at the cellular level. It is often used in medicine and dentistry for a variety of applications, including bone grafting and tissue engineering.
History[edit | edit source]
Bioactive glass was first developed in the late 1960s by Larry Hench at the University of Florida. The first bioactive glass, known as 45S5, was composed of 45% silicon dioxide and 5% calcium oxide, with the remainder being made up of sodium oxide and phosphorus pentoxide.
Properties[edit | edit source]
Bioactive glass has several unique properties that make it useful in medical applications. These include:
- Bioactivity: Bioactive glass has the ability to bond with both hard and soft tissue. This makes it an ideal material for use in bone grafts and other surgical procedures.
- Osteoconductivity: Bioactive glass promotes the growth of new bone tissue, a property known as osteoconductivity.
- Antibacterial properties: Some types of bioactive glass have been shown to have antibacterial properties, making them useful in preventing infection.
Applications[edit | edit source]
Bioactive glass is used in a variety of medical applications, including:
- Bone grafting: Bioactive glass is often used in bone grafts due to its ability to promote the growth of new bone tissue.
- Dental applications: In dentistry, bioactive glass is used in toothpaste to help repair damaged tooth enamel. It is also used in dental implants to promote the growth of new bone tissue.
- Tissue engineering: Bioactive glass is used in tissue engineering to create new tissues for use in medical procedures.
Future research[edit | edit source]
Research is ongoing into new applications for bioactive glass. This includes the development of bioactive glass that can deliver drugs directly to a specific area of the body, and the use of bioactive glass in the treatment of cancer.
See also[edit | edit source]
References[edit | edit source]
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