Grouped Implant Objects for Dental Planning
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Solution Overview
Problem
Current dental implant treatment planning software is cumbersome and time-consuming due to complex object manipulation, limited size modification capabilities of virtual crowns, and difficulties in accurately reflecting occlusion with natural teeth.
Innovation Solution
A method that simplifies object manipulation by grouping implant objects, allowing simultaneous movement and rotation, and setting size modification limits based on occlusal evaluation, ensuring that virtual crown changes align with natural teeth anatomy, thereby reducing complexity and increasing user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If individual implant objects are generated and modified separately, then each object can be precisely controlled, but the manipulation becomes cumbersome and time-consuming
Solution Approach 1:
The patent groups multiple implant objects (fixture, abutment, virtual crown) into a single composite object. When the user modifies the position or size of this grouped object, all constituent objects are simultaneously updated with their relative positions maintained, eliminating the need for separate manipulation of each object while preserving precise spatial relationships.
2Ease of operation
If the virtual crown size is modified in all directions with the same ratio, then the modification process is simple, but it cannot accurately reflect occlusion with natural teeth
Solution Approach 1:
The patent introduces limit ranges that constrain virtual crown size modification in specific directions (up, down, left, right) based on the occlusal evaluation results. The modification ratios can differ in each direction, allowing the virtual crown to be adjusted to match the actual occlusion geometry while preventing modifications that would cause interference with natural teeth.
Solution Approach 2:
The system performs occlusal evaluation by comparing the virtual crown position and size with natural tooth anatomy, then uses this evaluation feedback to set appropriate limit ranges for size modification. This feedback mechanism ensures that subsequent modifications remain within the safe zone that maintains proper occlusion.
3Measurement precision
If multiple implant objects are modified individually, then each object's position can be precisely adjusted, but considerable time and effort are spent on re-modification of other objects
Solution Approach 1:
The patent creates a grouped object that encompasses multiple implant components (fixture, abutment, virtual crown). When the user adjusts the position of this grouped object, the system automatically updates the positions of all constituent objects simultaneously while maintaining their relative spatial relationships, thereby eliminating the need for sequential re-modification of each object and significantly reducing the time required.
4Ease of operation
If the virtual crown size is increased or decreased without direction-specific limits, then the modification is straightforward, but objects may go out of the acceptable range
Solution Approach 1:
The patent establishes direction-specific limit ranges for virtual crown size modification based on occlusal evaluation. These limits are set differently for each direction (up, down, left, right) according to the local anatomical constraints identified by the occlusal analysis. The system automatically prevents size modifications that would exceed these direction-specific limits, ensuring the virtual crown remains within the acceptable range for proper occlusion.
Data Source
AI summary
The present invention relates to a method of dental implant treatment planning, a device and a recording medium therefore. The device for dental implant treatment planning according to the present invention can move or rotate the grouped objects together in 2D or 3D model about teeth arrangement for implant treatment planning with grouping function of the implant objects. So, it decreases complexity of manipulation of the implant objects, provides users with convenience to easily modify position or size of the implant objects, and improves the accuracy of the modification.