Glass - An important part of high quality dental fillings

Did you know that so called “plastic fillings” contain approximately 80% specialty glass powder?
Nowadays, in aesthetic dental restauration, tooth-colored resin-glass composites are the material of choice. They are simple and versatile in use and durable over many years. With highly pure powder particles, which are up to 200 times finer than human hair, SCHOTT® dental glass provides a high load-bearing capacity, durability and excellent aesthetic properties.
inert dental glass

Specialty glass powder as a dental filler material

Perfect aesthetic properties
 Patients’ requirements regarding aesthetics of dental restorations are rising continuously. Due to the excellent transparency of glass, the composite filling can be adapted perfectly to the natural color of the tooth  by adding special pigments. Furthermore, dental fillings that contain very fine glass powder particles can be polished more easily - for a smooth and shiny smile.

High durability  
As a substitute for tooth enamel – which in fact is the hardest substance in the human body – dental fillings are exposed to immense stress. The chewing muscle is the strongest human muscle and puts an enormous amount of pressure on our teeth. An optimal mixture of larger and ultra fine glass particles enables a tighter filler loading  of the specialty glass powder as part of the dental composite. This leads to exceptional pressure resistance and the necessary robustness.

Glass for teeth – An unexpected journey
  1. So called “ribbons”, which consist of casted and quenched specialty
    glass, are ground in a multilevel process.
  2. By grinding the glass to SCHOTT NanoFine® level, a particle size of
    only 180 nanometers in diameter can be produced.
  3. Dental composites consist of up to 80% glass powders and a liquid
    resin mixture. By using very fine pigment shades, the filling can be
    individually adapted to the natural dental material.
  4. The liquid composite can be applied layer by layer to the cavity by
    using a dental syringe.
  5. In most cases, dental curing is usually done by light. The glass
    powder offers optimal mechanical and optical properties.
High requirements
For more than 40 years, SCHOTT has been developing highly pure glass powders for the dental industry. To achieve very small grain sizes with the demanded excellent transparency , the production of the glasses has to comply with high purity requirements. For this reasons, the dental glasses are melted within a special unit, which is normally used for glasses with optical quality.

High quality
At SCHOTT, dental glass powders have to comply with demanding quality requirements and are continuously controlled by accredited institutes.

“Made in Germany”
SCHOTT dental glass powders are exclusively developed and produced at the state-of-the-art production site in Landshut (near Munich), in Germany.
The expert for (dental) glass
SCHOTT’s competence for developing and producing dental glass is based on the company’s 130 year long history as one of the leaders in specialty glass for a huge variety of demanding applications.
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