Abstract: Systems and techniques for training one or more neural networks to automatically determine placement of a digital representation of an orthodontic appliance are described including generating a prediction of one or more transformations that position the first digital representation of the orthodontic appliance within the first digital representation of the patients teeth, generating a predicted representation for the placement of the orthodontic appliance, generating a loss value that specifies a difference between the one or more predicted representations for the placement of the orthodontic appliance and the one or more reference representations of a placement of the orthodontic appliance that is generated from one or more reference transformations that have been applied to the orthodontic appliance, and modifying the neural network based on the loss value.

Abstract: Systems and techniques for training one or more machine learning models to automatically validate models of fixtures used in orthodontic alignment treatment are disclosed including assigning one or more labels to the first digital representation of the fixture, wherein the one or more labels specify whether the fixture model is correctly formed, wherein the training is performed based on an automatic comparison between a first digital representation of a fixture and a second digital representation of a fixture.

Abstract: A decking system, decking components and an installed deck for use on a support structure. The decking system comprises hollow profile planking units having anchor flanges on opposite edges that cooperate with an anchor structure to form a deck or platform. The flanges and the anchor units are shaped and configured to closely interact and form an installed platform structure. The planks comprise an extruded thermoplastic wood fiber composite having an internal structure sufficient to withstand installation, engineering forces placed on the installed platform, weathering and use. The anchor structures have a shape that conforms to the anchor flanges on the decking profiles to hold the deck in place.