The present invention relates to methods and systems for generating a 3-D dental impression with a corresponding hinge axis position and, in certain embodiments, a condylar guide inclination. In some embodiments, an intraoral scanner and a computer processing system are employed to: i) generate upper and lower jaw models, and first and second occlusal 3-D models with different mouth openings (MOs) or functional positions (FPs), ii) align the models to generate a composite 3-D model, iii) calculate a hinge axis position from the composite 3-D model based on the difference in said MOs or FPs, and iv) mount the 3-D dental impression on a virtual articulator (VA) by aligning the hinge axis position to the hinge axis position of the VA.

The present invention relates to methods and systems for generating a 3-D dental impression with a corresponding hinge axis position and, in certain embodiments, a condylar guide inclination. In some embodiments, an intraoral scanner and a computer processing system are employed to: i) generate upper and lower jaw models, and first and second occlusal 3-D models with different mouth openings (MOs) or functional positions (FPs), ii) align the models to generate a composite 3-D model, iii) calculate a hinge axis position from the composite 3-D model based on the difference in said MOs or FPs, and iv) mount the 3-D dental impression on a virtual articulator (VA) by aligning the hinge axis position to the hinge axis position of the VA.

An animal dentistry apparatus is provided and comprises a jaw assembly. The jaw assembly comprises a lower jaw and an upper jaw, and is configured such that the lower jaw and the upper jaw can move apart and together in a mastication action. The upper and lower jaw comprise at least one tooth. The apparatus further comprises a means, such as a motor, to effect the mastication action. The animal dentistry apparatus may be used to assess a chewable product, and such methods are also provided.

An animal dentistry apparatus is provided and comprises a jaw assembly. The jaw assembly comprises a lower jaw and an upper jaw, and is configured such that the lower jaw and the upper jaw can move apart and together in a mastication action. The upper and lower jaw comprise at least one tooth. The apparatus further comprises a means, such as a motor, to effect the mastication action. The animal dentistry apparatus may be used to assess a chewable product, and such methods are also provided.

A dental articulator is provided in which at least one of the two arms thereof has a base member that is articulated with respect to a bracket element onto which a dental model may be mounted, allowing independent movement of the dental model with respect to the pivot axis hingedly linking the arms.

A dental articulator is provided in which at least one of the two arms thereof has a base member that is articulated with respect to a bracket element onto which a dental model may be mounted, allowing independent movement of the dental model with respect to the pivot axis hingedly linking the arms.

The invention provides a method for creating a physical teeth model. The method comprises the following steps: providing a virtual three dimensional (3D) representation of a patient's dentition that comprises at least a region of the teeth that includes a tooth stump on which a crown is to be fitted or a region on to which a bridge is to be fitted; and preparing a physical model of the jaws of a subject from a blank, based on information from said virtual 3D image.

The invention provides a method for creating a physical teeth model. The method comprises the following steps: providing a virtual three dimensional (3D) representation of a patient's dentition that comprises at least a region of the teeth that includes a tooth stump on which a crown is to be fitted or a region on to which a bridge is to be fitted; and preparing a physical model of the jaws of a subject from a blank, based on information from said virtual 3D image.

A method for modeling mandibular motion, executable by an electronic device and including: acquiring a point cloud representing a mandible; determining an initial condyle pose; determining natural movement parameters for the condyles including maximum protrusion displacement, a Bennett angle, and a Sagittal inclination path angle; receiving an indication of a translation and/or a rotation of the mandible; determining a first natural movement of translation including a protrusion followed by a first sagittal inclination; determining a second natural movement of rotation including a Bennet movement followed by a second sagittal inclination; applying the natural movement s to the point cloud to form a transformed point cloud; creating a model of the mandible having undergone the at least one of the translation and the rotation using the transformed point cloud; and displaying the model of the mandible having undergone the translation and/or rotation.

A vertically adjustable rotational stabilizer (10) for a disposable articulator is provided. The articulator comprises a hinged pair of support arms, each support arm having a proximal end and a distal end, with the proximal ends of the support arms being hingedly fitted together. Each arm defines an opening or cavity between its distal and proximal ends. The vertically adjustable rotational stabilizer (10), in broad terms, comprises at least one body (30, 66) secured or securable to the support arms (14, 16) and positioned substantially within the opening defined by the support arm, and an elongate member (56) being adjustable relative to the at least one body so as to adjust and fix the distance between the distal ends of the support arms (14, 16).