Dental material containing a component which contracts during thermal treatment
AssigneeIvoclar Vivadent AG
InventorsGerhard Zanghellini, Konrad Hagenbuch
Life of this patent
Estimating the term…
Abstract
The invention relates to dental materials which contain filler and a polymerizable matrix and are characterized in that they additionally have a component which contracts during thermal treatment.
Claims38
Dental material comprising a filler, a polymerizable matrix, and in addition to the filler and the polymerizable matrix, a component which contracts during thermal treatment, wherein the polymerizable matrix comprises 65 to 75 wt.-% bis-GMA, 10 to 20 wt.-% triethylene glycol dimethacrylate and 5 to 15 wt.-% of highly-dispersed silicon dioxide.
Dental material comprising a thermally contractable tube filled with material comprising a polymerizable matrix and a filler.
Process for manufacturing a dental bridge, comprising filling a thermally contractable tube with a polymerizable matrix and a filler and subsequently subjecting the tube to a thermal treatment.
A method for increasing the fibre content of a cured dental material as compared to the uncured dental material, comprising providing a dental material comprising a polymerizable matrix and a fibrous filler;
- surrounding at least a portion of the dental material with a component that contracts during thermal treatment;
- and subsequently subjecting the dental material to a thermal treatment, wherein excess matrix material is expressed from the surrounded portion of the dental material.
Dependencies are inferred from the claim text.