MILL BLANK FOR DENTAL CUTTING AND MACHINING

MILL BLANK FOR DENTAL CUTTING AND MACHINING

[Problem]It has been difficult to prepare a mill blank for dental cutting and machining in a state of no cracks or breaks.[Solution]To provide a curable composition for use in a mill blank for dental cutting and machining, comprising14 to 36 % by mass of (A) bifunctional urethane methacrylate monome...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUKAMI, Takahiro, KAWATA, Keita
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:[Problem]It has been difficult to prepare a mill blank for dental cutting and machining in a state of no cracks or breaks.[Solution]To provide a curable composition for use in a mill blank for dental cutting and machining, comprising14 to 36 % by mass of (A) bifunctional urethane methacrylate monomer represented by Formula 1,2 to 12 % by mass of (B) bifunctional methacrylate monomer not containing a urethane group,60 to 80 % by mass of (C) inorganic filler,0.1 to 0.5 % by mass of (D) thermal polymerization initiator, and0.1 to 0.5 % % by mass of (E) chain transfer agent.