US Patent 9387056 Process for producing a dental shaped part by stereolithography

The invention relates to the use of a composite resin composition comprising(a) at least one polyreactive binder,(b) a first photopolymerization initiator having an absorption maximum at a wavelength of less than 400 nm,(c) a second photopolymerization initiator having an absorption maximum at a wavelength of at least 400 nm and(d) an absorber having an absorption maximum at a wavelength of less than 400 nm,for the stereolithographic production of a dental shaped part based on composite resin.