Mold of biodegradable material for dental aligner and method of manufacture therefor
OwnerStijn WITTERS, Franciscus Johannes Marie DERKSinventors
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Abstract
The invention is in the field of additive manufacturing. There is provided a positive model of one or more teeth and/or gum, suitable for producing a dental aligner, the model comprising a polyhydroxyalkanoate (PHA). There is also provided such a model, comprising sintering or fusing a powder comprising a polyhydroxyalkanoate (PHA).
Claims26
A positive model of one or more teeth and/or gum, suitable for producing a dental aligner, the model comprising a polyhydroxyalkanoate (PHA) having a melting peak temperature of 135° C. or higher measured according to ISO 11357-1/3, wherein the amount by weight of the PHA, relative to the total weight of the entire model, is 80-99.9%.
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An additive manufacturing method for producing a positive model of the one or more teeth and/or gum, comprising fusing a powder comprising a polyhydroxyalkanoate (PHA) having a melting peak temperature of 135° C. or higher measured according to ISO 11357-1/3, wherein the amount by weight of the PHA, relative to the total weight of the entire model, is 80-99.9%.
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Dependencies are inferred from the claim text.