Children oral visual navigation diagnosis and treatment method and system based on mixed reality

By using CBCT image data processing and real-time instrument tracking based on mixed reality technology, individualized anatomical models are generated, solving the problems of complex anatomical structures and low cooperation in pediatric oral diagnosis and treatment, and achieving precise and safe diagnostic and treatment operations.

CN122440306APending Publication Date: 2026-07-24WEST CHINA STOMATOLOGICAL HOSPITAL OF SICHUAN UNIV
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Patent Information

Application Number
CN202610451751.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-08
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The complex anatomical structures, limited operating space, and low patient cooperation in pediatric dental diagnosis and treatment make it difficult for traditional two-dimensional imaging technology to meet the diagnostic accuracy, safety, and standardization requirements of modern precision medicine.

Method used

Based on mixed reality technology, 3D reconstruction is performed by acquiring CBCT image data to generate individualized anatomical models. Combined with deep learning segmentation and shape comparison, the virtual content is accurately registered with the real anatomy. The pose of diagnostic and therapeutic instruments is tracked in real time, providing navigation prompts and warnings, and constructing a closed-loop control link of perception-decision-execution-feedback.

Benefits of technology

It enables millimeter-level spatial guidance in pediatric dental diagnosis and treatment, improves operational precision and safety, provides an interactive and reproducible three-dimensional cognitive carrier, and solves the problems of high risk of accidental injury and low level of teaching visualization in traditional methods.

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Abstract

The invention relates to the technical field of oral medical treatment, in particular to a child oral visual navigation diagnosis and treatment method and system based on mixed reality. The method comprises the steps of obtaining and preprocessing oral cavity CBCT image data of a child patient, performing segmentation and three-dimensional reconstruction on oral cavity tissues based on the CBCT data to generate an individualized anatomical model, performing pre-operation planning to determine a diagnosis and treatment area and generate a diagnosis and treatment path, and realizing alignment and registration of the anatomical model and the real world through shape comparison and coordinate transformation. And displaying the registered model and path in the oral visual field of the patient in a holographic manner in an overlapping manner, tracking the pose of the diagnosis and treatment instrument in real time, and visually displaying the deviation. According to the method, the operation controllability is improved through deviation visualization and threshold early warning, the child patient is supported to still maintain stable navigation under slight movement, body movement interference caused by anxiety of the child patient is relieved, and a repeatable, traceable and concrete three-dimensional space cognitive training environment is provided for teaching.
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