Digital Custom Denture Impression Tray with Height Adjustment
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Solution Overview
Problem
Conventional denture manufacturing requires multiple visits and repeated measurements using wax rims, inconvenient for patients and increasing medical treatment costs.
Innovation Solution
A digital custom denture impression tray with U-shaped plates, a height adjustment unit, screw nut, screw bolt, indicator teeth, and corresponding cooperation spots, allowing for precise measurement and adjustment of gum shape and centric relation without repetitive wax rim adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional denture manufacturing methods using wax rims are used, then dentures can be made with traditional materials and processes, but multiple visits and repeated measurements are required, increasing treatment time and cost
Solution Approach 1:
The patent replaces the traditional mechanical wax rim adjustment system with a digital measurement and planning system. Digital impressions and 3D modeling eliminate the need for physical wax rims and repeated in-office adjustments, allowing denture fabrication to proceed without multiple patient visits for measurements.
Solution Approach 2:
The patent performs all measurements, impressions, and treatment planning in advance using digital technology. The digital workflow allows complete denture design and fabrication planning to be completed before the patient receives the final dentures, eliminating the need for multiple intermediate adjustment visits.
2Adaptability or versatility
If conventional denture manufacturing methods using wax rims are used, then traditional materials can be utilized, but repeated measurements increase medical treatment cost
Solution Approach 1:
The patent replaces repeated mechanical measurement processes with a single digital impression and 3D modeling session. This eliminates the cumulative cost of multiple adjustment visits while maintaining the ability to work with various denture materials through digital design flexibility.
3Loss of time
If digital measurement technology is implemented, then treatment time and cost are reduced, but device complexity increases
Solution Approach 1:
The digital custom denture impression tray is designed as a multi-functional device that combines impression taking, bite registration, and measurement reference features in a single apparatus. The tray includes reference marks, guide structures, and integration with digital scanning technology, allowing one device to perform multiple functions that would otherwise require separate tools.
Solution Approach 2:
The patent merges the impression tray with built-in reference markers, measurement indicators, and digital interface components. This consolidation integrates multiple functions into a single device, reducing the need for multiple separate tools and procedures while achieving streamlined digital workflow.
Data Source
AI summary
The present invention is a digital custom denture impression tray that includes an upper U-shaped plate to measure the shape of a patient's upper gum having missing teeth and normal teeth arranged therein; a lower U-shaped plate to measure the shape of the patient's lower gum having missing teeth and normal teeth arranged therein; a height adjustment unit disposed on the upper plate for measuring the height of the denture to be implanted and structured to adjust horizontality and height of the upper plate and the lower plate; a screw nut attached to the height adjustment unit having a threaded hole at a predetermined depth; a screw bolt having a threaded surface to adjust height by being inserted in the threaded hole from under the screw nut; an indicator teeth disposed on the front center of the upper plate for recording centric relation and guiding the upper plate toward the lower plate; a front corresponding cooperation spot provided on the lower plate for receiving the indicator teeth thereon; and a rear corresponding cooperation spot provided on the lower plate for receiving the screw bolt thereon.