Dental Prosthesis Ingredient Data Adjustment for Color Accuracy
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Solution Overview
Problem
Current methods for determining ingredients for dental prostheses do not accurately account for the thickness of the prosthesis layers and the background color, leading to potential mismatches in the final appearance, as they rely solely on the appearance color and ignore variations in manufacturing thickness and background color effects.
Innovation Solution
A method that receives background color, appearance color, and thickness values to look up ingredient records, adjusting them based on thickness and using interpolation or extrapolation to provide a more accurate ingredient list for manufacturing, considering the law of Lambert Beer for radiation effects through layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If only appearance color is used to determine ingredients, then the method is simple, but the final color match is inaccurate due to ignoring thickness and background color effects
Solution Approach 1:
The system performs preliminary measurements of background color and layer thickness before determining the final ingredient composition. By collecting all necessary data (appearance color, background color, thickness) in advance, the system can accurately calculate the required ingredients while maintaining a systematic and manageable process flow.
Solution Approach 2:
The patent introduces an intermediary calculation process that uses the measured thickness and background color as intermediate parameters to bridge the gap between appearance color and final ingredient determination. This intermediary step accounts for the optical effects of thickness and background, enabling accurate color matching without excessive complexity.
2Manufacturing precision
If thickness variations are not considered, then manufacturing is easier, but the final appearance color may differ from intended color
Solution Approach 1:
The system changes the approach by incorporating thickness as a variable parameter in the ingredient calculation process. Instead of using fixed ingredient ratios, the system adjusts ingredient composition based on the measured thickness of each layer, ensuring that the final color remains consistent even when thickness variations occur during manufacturing.
Solution Approach 2:
The patent implements a feedback mechanism where the measured thickness and background color information is fed back into the ingredient calculation process. This feedback loop allows the system to compensate for thickness variations and background color effects, maintaining color consistency without requiring complex manufacturing controls.
3Measurement precision
If background color is ignored, then the ingredient determination is simpler, but the final prosthesis appearance does not match the natural tooth background
Solution Approach 1:
The system measures the background color in advance before determining the final ingredient composition. By having the background color data ready beforehand, the system can incorporate it into the calculation process without adding significant complexity, as the measurement is performed once and then used in the ingredient determination algorithm.
Solution Approach 2:
The background color serves as an intermediary parameter that mediates between the appearance color and the final ingredient selection. The system uses background color as an intermediate step to calculate the required ingredient composition, accounting for the optical interaction between the prosthesis layers and the underlying tooth structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures a more accurate and natural color match by accounting for layer thickness and background color, improving the final appearance of dental prostheses by providing adjusted ingredient data for precise manufacturing.
Implementation Method 1
adjusting the first ingredient values based on the thickness value and on the law of Lambert Beer
Data Source
AI summary
A method is provided for providing a set of ingredients for manufacturing of a dental prosthesis covering. The method comprises receiving a background colour value providing information on a colour of a background substrate on which the prosthesis is to be provided, receiving an appearance colour value providing information on an appearance colour of the prosthesis and receiving a thickness value providing information on a thickness of the dental prosthesis covering. In an electronic memory, a first ingredient record is looked up comprising first ingredient value, based on the measured background value and the measured appearance colour value. The first ingredient values are adjusted in an electronic processor adjusted based on the thickness value and through electronic output means, the adjusted ingredient data is provided. By adjusting ingredients for thickness, a more natural appearance may be achieved.