In a statement, ZTM Annette von Hajmasy (Erstätt) writes about her experience with composite in everyday laboratory life. Materials science explanations on the composition of dental composites as well as an examination of three different veneering composites can be read here: Veneering composites: “Composition, properties and the study of three different products”.
Statement: ZTM Annette von Hajmasy
“Modern composites have become a real alternative for me. The elasticity of the material and thus the buffer function in the mouth are important, for example in implant prosthetics. Chewing pressure overload, chips or breaks are avoided. In addition, the polishability is first-class and the plaque resistance and abrasion resistance are low. As a user, I inform myself about the properties and materials science of the respective material. For example, the filler content influences the applicability; grain size and distribution are crucial. The higher the filler content, the higher the modulus of elasticity and the more brittle the material is. I create complex restorations using the press-on technique (picture series). Advantages: exact implementation of the diagnostics (wax-up), high homogeneity and quality of the material, reproducible results.”
Creating a composite restoration using the press-on technique. The validated set-up is placed in a cuvette and the container (clear silicone) is filled with tooth-colored composite. Curing takes place in a light oven (Polymerization device) [note manufacturer's instructions]. Both the red and white aesthetics are realized in composite. The zirconium oxide framework over which the composite was pressed can be seen from the basal side. The excellent light-optical properties of the composite become apparent in transmitted light.
Comparison: pasty composite (left) and flow composite (right)
Manual layering of a composite crown. Individual characteristics can be inserted, for example, with a fine needle.
Author: ZTM Annette v. Hajmasy (Erlstätt)
ADDITIONAL INFORMATION
Veneering composites: composition, properties and the study of three different products. Articles