Dental Impression Tray with Integrated Cross-Bar for Simultaneous Alignment
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Solution Overview
Problem
Current dental impression processes require two separate steps: taking an impression of the dentition and aligning it with the face, which increases patient discomfort, time, and costs, and often results in inaccurate alignment due to the need for multiple procedures.
Innovation Solution
A dental impression tray with a base and two detachable bars that form a cross, allowing simultaneous impression taking and alignment, with the vertical bar inserted into an arc hole and held by impression material, enabling adjustment before curing to align with facial landmarks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If two separate procedures are used (impression tray and FPR), then alignment accuracy is improved, but patient discomfort and time consumption increase
Solution Approach 1:
The patent combines the impression tray and FPR into a single integrated device. The FPR components (vertical bar, horizontal bar, and arch) are incorporated directly into the impression tray structure, allowing both the dental impression and facial plane relationship to be captured simultaneously in one procedure, eliminating the need for separate steps while maintaining alignment accuracy.
Solution Approach 2:
The integrated device performs multiple functions: it captures the dental impression of the patient's dentition while simultaneously recording the facial plane relationship through the incorporated FPR components. This multi-functional design allows a single device to replace what previously required two separate devices and procedures.
2Measurement precision
If two separate procedures are used (impression tray and FPR), then alignment accuracy is improved, but patient discomfort increases
Solution Approach 1:
The patent combines the impression tray and FPR into a single integrated device. The FPR components (vertical bar, horizontal bar, and arch) are incorporated directly into the impression tray structure, allowing both the dental impression and facial plane relationship to be captured simultaneously in one procedure, eliminating the need for separate steps while maintaining alignment accuracy.
3Ease of operation
If conventional impression tray is used, then impression taking is simplified, but facial alignment capability is lost
Solution Approach 1:
The integrated device performs multiple functions: it captures the dental impression of the patient's dentition while simultaneously recording the facial plane relationship through the incorporated FPR components. This multi-functional design allows a single device to replace what previously required two separate devices and procedures.
4Productivity
If FPR components are integrated into impression tray, then single-step process is achieved, but device complexity increases
Solution Approach 1:
The FPR components (vertical bar, horizontal bar, and arch with protrusions) are designed as separate elements that can be assembled into the impression tray structure. This segmentation allows for easier manufacturing and assembly while achieving the integrated functionality.
Data Source
AI summary
A dental impression tray has a base and a relator. The base has a biting portion and a handle. The biting portion is curved. The handle is formed on the biting portion and has an arc hole that is defined through the handle to receive impression material. The relator has a vertical bar and a horizontal bar. The relator is mounted in the arc hole and is fastened in the arc hole by impression material. The horizontal bar connects perpendicularly to the vertical bar. Therefore, the impression of the teeth to be crowned or veneered as well as the relation between the impression and the patient's face are obtained simultaneously.