Variable-Angle Artificial Tooth Tool for Resin Repair Evaluation
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Solution Overview
Problem
Dental specialists lack a reliable method to check the performance of dental filling composite resins before purchase, particularly in terms of color tone adaptation, sculptability, and usability for repairing cavities and lost portions at various tooth sites, and conventional tools fail to stabilize the preparation and observation of these sites due to uneven tooth surfaces.
Innovation Solution
A demonstration tool comprising artificial teeth with variable angles and a supporting structure body that allows stable preparation and observation of lost portions and cavities at arbitrary sites, including multiple tooth types and surfaces, using a dental filling composite resin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional molar with a flat occlusal surface is used for demonstration, then the tooth can be stably positioned during preparation, but the tooth cannot be stably disposed when the uneven surface is directed downward, leading to poor stability for preparing lost portions or cavities at surfaces other than the occlusal surface
Solution Approach 1:
The demonstration tool employs a rotatable support structure that allows the artificial tooth to be dynamically repositioned between a stable first position (for preparation) and an observable second position (for viewing). This dynamic positioning capability enables the tool to adapt to different operational requirements during the demonstration process.
Solution Approach 2:
The support structure is divided into distinct functional components: a base, a rotatable arm, and positioning mechanisms. This segmentation allows independent optimization of each component - the base provides stable support, the arm enables rotation, and the positioning mechanisms ensure precise orientation at different stages of the demonstration.
2Adaptability or versatility
If a molar with an uneven surface is used to enable preparation at various sites, then versatility is improved, but the tooth cannot be disposed stably when the uneven surface is directed downward, resulting in poor stability
Solution Approach 1:
The rotatable support structure dynamically adjusts the orientation of the artificial tooth, allowing the uneven surface to be properly oriented during preparation while enabling stable positioning for observation. The system transitions between states rather than attempting to maintain a single static position.
Solution Approach 2:
The rotatable arm acts as an intermediary between the artificial tooth and the base, mediating the positioning requirements. It provides the necessary rotation and orientation adjustment while maintaining overall system stability through its connection to the fixed base.
3Ease of manufacture
If conventional demonstration tools are used, then preparation can be performed, but observation of the repaired site in multiple directions is difficult
Solution Approach 1:
The rotatable support structure enables dynamic repositioning of the artificial tooth from a preparation-oriented first position to an observation-oriented second position. This allows comprehensive viewing of the repaired site from multiple angles while maintaining a simple overall demonstration setup.
Data Source
AI summary
The disclosure provides a demonstration tool and a demonstration method that enable stable preparation of each or one of a lost portion and a cavity at an arbitrary site of an artificial tooth, enable repair of the artificial tooth including each or one of the lost portion and the cavity with use of a dental filling composite resin, and then enable observation of a repaired site in a plurality of directions. A demonstration tool is used for demonstration including filling to cure a dental filling composite resin in each or one of a lost portion and a cavity of an artificial tooth, and the demonstration tool comprises at least one artificial tooth including an artificial tooth having each or one of a lost portion and a cavity, and a structure body supporting the at least one artificial tooth, wherein the structure body supporting the at least one artificial tooth is coupled to the at least one artificial tooth, and the at least one artificial tooth has a variable angle.