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Objectives: To demonstrate a novel digital technique that enables real-time visualisation of occlusal transfer and adjustment of condyle position, to (1) improve the repeatability of occlusal transfer and the accuracy of condyle position adjustment and (2) be clinically effective in helping to restore the disc-condyle relationship.

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Effect of the application of digital technology-assisted optimization in the process of adjusting jaw position.

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Dept. of Engineering Mechanics, College of Aerospace Engineering, Chongqing University, Chong-qing 400044, China.

Objectives: The aim of this study was to demonstrate a novel jaw position adjustment technique derived from digital twins and evaluate the application effect of digital technology-assisted optimization in the process of adjusting jaw position on patients with temporomandibular disorders (TMD).

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A variety of total knee arthroplasty (TKA) designs offer increased congruency bearing options, primarily to compensate for a loss of posterior cruciate ligament (PCL) function. However, their efficacy in providing sufficient stability under different circumstances requires further investigation. The preclinical testing of prosthesis components on joint motion simulators is useful for quantifying how design changes affect joint stability.

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Prediction of condylar movement envelope surface based on facial morphology.

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Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, PR China.

The present study aimed to predict the envelope surfaces from facial morphology. Condylar envelope surfaces for 34 healthy adults were formed and simplified as sagittal section curves. Cephalometric and maximum mandibular moving distances measurement were performed on the participants.

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Multiple mandibular fractures with condylar involvement are challenging to treat. This article presents a series of steps to simplify the treatment and improve the outcomes in open reduction and internal fixation of multiple mandibular fractures with condylar involvement. Four new elements are identified: three-dimensional printing, model surgery, Kirschner wires to manipulate the segments in condylar fractures, and a top-to-bottom sequence.

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