Abstract: The invention relates to a method for providing a physical testing model for testing a fitting of a dental restoration to be hardened before the dental restoration being hardened. The dental restoration is required to fit onto a dental element after being hardened. The method comprises providing a 3D digital model of the dental element. Size of the 3D digital model of the dental element is scaled using a first scaling factor. The first scaling factor depends on an inverse of a second scaling factor quantifying a predicted scaling of the size of the dental restoration to be hardened due to the hardening. The scaling of the 3D digital model of the dental element results in a 3D digital testing model for the testing of the fitting of the dental restoration to be hardened. The 3D digital testing model is provided as a template for manufacturing the physical testing model.

Abstract: The invention relates to a method for modelling a patient-individualised denture part (140). The method comprises providing a digital three-dimensional patient situation model (118), a digital three-dimensional denture part model (114), and one or more geometric adaptation criteria defined using patient-specific delimiting surfaces. A denture part geometry of the denture part model is adapted in a patient-individualised manner to a patient situation geometry of the patient situation model. The patient-individualised adaptation process also comprises repeatedly interactively making user-defined changes to the denture part model, wherein the denture part model dynamically passes through a sequence of intermediate states during the course of each of the user-defined changes until a change state resulting from each user-defined change is reached.