RADIOPAQUE GLASS FOR FILLER OF COMPOSITE DENTAL MATERIALS Russian patent published in 2024 - IPC C03C3/64 A61K6/77 

FIELD: medicine.

SUBSTANCE: invention refers to therapeutic dentistry and concerns an inorganic filler, namely radiopaque glass for fillers of composite dental materials. Objective of the claimed invention is development of radiopaque glass for composite dental material, characterized by low values of refraction index and high values of radiopacity. Task is achieved by the fact that the radiopaque glass for filler of composite dental materials contains the following components, wt.%: SiO₂ – 36–39; Al₂O₃ – 13.5–19; SrO – 9–10; B₂O₃ – 16.5–19; BaO – 7–8; K₂O – 1–7.5; Na₂O – 1–5.5; ZrO₂ – 1–2; TiO₂ – 1–4, wherein ∑BaO+SrO>16 wt.%.

EFFECT: reduction of cooking temperature, increase of radiopacity coefficient.

1 cl, 1 tbl