Dental Crown Matrix With Expandable Tab for Single-Visit Veneers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing dental veneer placement techniques are expensive, time-consuming, and require significant preparation, often necessitating multiple dental visits and lacking in accuracy and hygiene.
Innovation Solution
A matrix system for dental veneer placement that includes a facial member with apertures and tab members for precise fitting and adjustment, allowing for the application of a curable material to form a veneer in a single visit, ensuring accuracy and hygiene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional veneer placement techniques are used, then the veneer can be placed on the tooth, but the process is expensive and time-consuming requiring multiple dental visits
Solution Approach 1:
The matrix is divided into multiple functional components: a facial member for covering the tooth surface, interproximal tabs for securing between adjacent teeth, and a gingival barrier for isolation. This segmentation allows each component to perform its specific function efficiently, enabling complete veneer placement in a single visit while reducing overall procedure time.
Solution Approach 2:
The matrix and all necessary components are pre-assembled and prepared before the dental procedure. The facial member, tabs, and barrier are configured in advance with precise dimensions and geometries, eliminating the need for multiple visits for adjustments or additional preparation steps during the actual veneer placement.
2Manufacturing precision
If traditional veneer placement techniques are used, then the veneer can be placed on the tooth, but considerable preparation is required and accuracy is reduced
Solution Approach 1:
The matrix includes a facial member that precisely copies or replicates the ideal final veneer shape and position on the tooth surface. This pre-fabricated template ensures accurate veneer placement by providing exact geometric guidance, eliminating the need for complex manual shaping and multiple adjustment visits, thereby improving precision while reducing overall procedural complexity.
3Object-affected harmful factors
If traditional veneer placement techniques are used, then the veneer can be placed on the tooth, but the process is not hygienic and sanitary
Solution Approach 1:
The gingival barrier component extracts or removes the gum tissue from the operational field by creating a physical barrier between the treatment area and the oral environment. This isolation prevents contamination from saliva and other oral fluids, ensuring hygienic and sanitary veneer placement while containing the complexity of isolation within a single, integrated component.
4Manufacturing precision
If a matrix with adjustable tabs is used, then the cavity dimensions can be adjusted for precise fitting, but the matrix structure becomes more complex
Solution Approach 1:
The interproximal tabs are designed as flexible, bendable elements that can be dynamically adjusted during placement. The tabs can be bent to different angles and positions to accommodate variations in tooth spacing and cavity requirements, providing precise dimensional adjustment without requiring multiple different matrix sizes or complex adjustment mechanisms.
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
The matrix system enables a highly accurate, hygienic, and efficient process for dental veneer placement, resulting in a smooth and aesthetically pleasing veneer that can be completed in a single dental visit.
Implementation Method 1
The curable material is injected through the aperture into the cavity, and the curable material is cured to form the veneer on the tooth
Data Source
AI summary
A dental matrix for forming a crown on a tooth includes a body having a expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.