The materials used in each component are specifically designed for medical applications and conform to the standards of the American Society for Testing and Materials (ASTM).
Titanium is well-known as a metallic element resistant to corrosion (like platinum) and for its high resistanceto-weight ratio.
In the biomedical field, titanium is used either in pure form in four commercial grades (Ti-c.p. g1, Ti-c.p. gr2, Ti-c.p. gr3, and Ti-c.p. gr4), or alloyed with aluminum and vanadium (Ti6Al4V ELI).
All Plan1Health’s implantable products are made exclusively from top-grade Ti-c.p.4 (surgical implants and healing screws) or from the titanium alloy Ti6Al4V (small-diameter implants) which is the most widely used material for long-term orthopedic applications inside the human body.
Our retaining screws and prosthetic abutments are also made from the Ti6Al4V alloy. Before use, bars and raw materials undergo rigorous metallographic testing to ensure the highest quality and safety of the finished products.
For biomedical applications Plan1Health uses martensitic and austenitic stainless steel for drilling and surgical instrumentation.
Martensitic Stainless Steel
With excellent mechanical properties, it is magnetic, and contains carbon, manganese, silicon, chrome, and molybdenum.
For stainless steel instruments (such as scissors, scalpels, blades, needles) AISI 440 is used.
Austenitic Stainless Steel
Containing Ni and Cr in proportions that preserve its austenitic structure even at ambient temperatures, it can be classified by the percentage of Ni and Cr content. In the ASTM system, these materials make up the 300 series.
- optimum resistance to corrosion;
- ease of cleaning and optimum hygienic coefficient;
- easy to work, forgeable and weldable;
- doesn’t become magnetized even after heating.
Polymethyl methacrylate (PMMA) – a versatile synthetic polymer of methylmetacrylate used widely in the biomedical field as well as in many other applications.
- PMMA is highly biocompatible in the human body and is often used to make contact lenses and intra-occular lenses.
- In orthopedics, PMMA is used as a bone cement. Its modulus of elasticity falls between those of cortical bone and trabecular bone.
- In dentistry, PMMA is often used to make removable dentures because it can by tinted to any desired color.
Plan1Health uses PMMA to make castable abutments and gold-platinum alloy base of castable abutments.
It is easy to shape and doesn’t leave carbosilic residues during the casting of the abutment.
Polyetheretherketone – a technopolymer with high chemical resistance and high biocompatibility in the form used for medical applications.
PEEK combines optimum mechanical characteristics (resistance, rigidity, hardness, and plasticity)
This technopolymer is distinguished by:
- exceptional chemical resistance;
- optimum mechanical resistance;
- exceptional dimensional stability;
- excellent impact resistance;
- withstands multiple sterilizations (with any common sterilization process);
- high resistance to hydrolysis, even at high temperatures;
- can be formed into very thin walls.
The main applications of PEEK in the biomedical sector are:
- delivery systems, such as catheters, balloons, stents, and tubes;
- applications that come into contact with medications and blood (e.g., dialysis);
- transplants and temporary dental repairs;
- neurological, urological, and gynecological applications;
- uses involving contact with pharmaceuticals.
All biomedical varieties of PEEK conform to FDA specifications and meet USP testing requirements.
Each lot of raw material is subject to cytotoxic testing before use and during the manufacturing process in conformity with ISO 10993-5 / EN 30993-5.
Plan1Health uses PEEK to create temporary abutments.
This polymer can be used when contact with human tissue may last up to 6 months. Its natural tooth color adds aesthetic value to temporary abutments.