CT-Guided Apical Surgery Path Planning for Root Tip Accuracy

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Solution Overview

Problem

Current apical microsurgery methods face challenges in accurately locating the root tip and performing minimally-invasive osteotomy due to reliance on professional skills and experience, leading to inefficient and inaccurate pre-surgical plan design.

Innovation Solution

A method and apparatus for determining an under-navigation apical surgery path using CT image data to calculate and generate a surgery path based on dental root tip and long axis parameters, employing computer graphics algorithms to standardize and optimize the surgical plan design.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual adjustment and calibration are performed repeatedly in professional software environment, then the design accuracy is improved, but the design time and process complexity increase significantly

Engineering Contradiction:

Improvesurgery path design accuracyVSAvoidpre-surgical design time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system performs automatic calculation of surgery path parameters based on CT image data and surgical requirements. The computer automatically determines the root tip position, long axis direction, and surgery path without requiring manual adjustment and calibration by doctors, thereby improving efficiency while maintaining accuracy

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical operation of adjusting and calibrating surgery paths in professional software with an automated computer-based calculation system. The system uses algorithms to automatically compute surgical parameters from CT data, substituting the manual mechanical process with an automated computational approach

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If doctors perform complex operations using CT images in professional software environment, then the surgery path design accuracy is improved, but the learning curve and operational complexity increase

Engineering Contradiction:

Improvesurgery path design accuracyVSAvoidsurgery plan design ease

Core Design Contradiction:

Measurement precisionVSEase of operation

Solution Approach 1:

The system automatically calculates surgery path parameters based on input CT image data and surgical requirements. The computer performs the complex computational tasks itself without requiring doctors to manually manipulate software tools, making the process easier to operate while maintaining high accuracy through automated algorithms

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the complex manual software operations with an automated calculation system. The system uses computer algorithms to automatically determine surgical parameters from CT data, substituting the need for doctors to perform complex manual operations in professional software with a simplified automated process

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Manufacturing precision

If manual adjustment and calibration are performed to improve design accuracy, then the surgery path precision is improved, but the process complexity and time consumption increase

Engineering Contradiction:

Improvesurgery path design precisionVSAvoidplan design process complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system automatically calculates the surgery path parameters including root tip position, long axis direction, and path geometry based on CT image data. The computer performs all necessary calculations and adjustments automatically without requiring manual intervention, thereby achieving high precision while keeping the process simple

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical process of adjusting and calibrating surgery paths with an automated computer-based calculation system. The system uses algorithms to automatically compute precise surgical parameters from CT data, substituting the complex manual adjustment process with a streamlined automated computation process

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20260108309A1Determination method and determination apparatus for under-navigation apical surgery path

Publication Date: 2026.04.23 WUHAN UNIV

AI summary

A determining method for an under-navigation apical surgery path is provided. The determining method includes the following steps: S1, obtaining CT image data of affected teeth and jaw bone data of a patient, and calculating the CT image data of the affected teeth to obtain calculation parameters of the surgery path; S2, based on the calculation parameters of the surgery path and in combination with the data of the affected teeth and the jaw bone data, obtaining a start point and an ending point of the surgery path, and generating the surgery path based on the start point and the ending point.