Article - 14 May 2002
The densities of a variety of biomaterials are compared to those of teeth, bone and other related materials. Biomaterials covered include orthopaedic, dental and vascular materials.
Article - 9 May 2002
The benefits of coating metallic implants with hydroxyapatite are many. These are outlined as are the varous methods that have been used to try and produce hydroxyapatite coatings. Some of the...
Article - 12 Apr 2002
The Mohs scale of hardness is a comparitive technique, usually used for minerals. It rates the hardness of materials on a scale of 1 to 10 based on a simple scratch test.
Article - 20 Jul 2001
Calcium (Ca) is placed in group IIA of the periodic table along with St, Ba and Ra. The name calcium is derived from the Latin word “calas” meaning lime, which was known as early as the first...
Article - 2 Jun 2001
Tooth filling materials such as silver amalgams, resin-based composites and ion-leachable glass cements are covered. Cast metals, bonded restorations, ceramics and composite implant materials are also...
Article - 26 Feb 2001
The different types of biomaterials and their classifications (inert, active and resorbable) are defined and key properties are given.
Article - 23 Feb 2001
Hydroxyapatite is a calcium phosphate ceramic that is used as a biomaterial. It one of few materials that elicit an active response in the body and bonds directly to bone. It is also the mineral...