Dental Implant Superstructure Support with Bacteria Barrier
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Solution Overview
Problem
Current dental implant technologies face challenges in creating a secure and stable superstructure support for prosthetic tooth replacements that effectively adhere to both the implant body and the gum, ensuring long-term safety and durability.
Innovation Solution
A superstructure support is developed using a powder injection casting method with structured surfaces, incorporating a crown supporting structure and an implantation post with a specifically designed shape and microstructure to enhance stability and adhesion, utilizing materials like titanium alloy Ti6Al4V and ceramic powders, and incorporating a cement body for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional implantation post is used, then the manufacturing process is simple, but the adhesion to the gum and implant body is insufficient
Solution Approach 1:
The invention applies local quality by creating specific surface structures (grooves, ridges, and textured patterns) only in the gum-contacting areas of the implantation post, while keeping other areas smooth. This localized structuring enhances adhesion to the gum without complicating the overall manufacturing process, as the surface patterns can be integrated during the powder injection molding process itself.
Solution Approach 2:
The invention utilizes porous materials by incorporating controlled porosity and interconnected pore structures into the implantation post, particularly in the gum-contacting regions. This allows for better integration with the gum tissue and enhanced adhesion, while the porous structure can be achieved through the powder injection casting process without requiring additional manufacturing steps.
2Object-affected harmful factors
If the superstructure support is made with smooth surfaces, then the manufacturing is easier, but bacterial growth is promoted
Solution Approach 1:
The invention applies local quality by creating specific surface structures (grooves, ridges, and textured patterns) only in the gum-contacting areas of the implantation post, while keeping other areas smooth. This localized structuring enhances adhesion to the gum without complicating the overall manufacturing process, as the surface patterns can be integrated during the powder injection molding process itself.
Solution Approach 2:
The invention implements preliminary action by pre-forming the anti-bacterial surface structures during the powder injection molding process itself, rather than adding them as a separate post-processing step. The mold is designed with built-in surface patterns that are created simultaneously with the implantation post, eliminating the need for additional machining or treatment steps.
3Reliability
If the implantation post is made with complex surface structures, then the adhesion to gum is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The invention implements preliminary action by pre-forming the anti-bacterial surface structures during the powder injection molding process itself, rather than adding them as a separate post-processing step. The mold is designed with built-in surface patterns that are created simultaneously with the implantation post, eliminating the need for additional machining or treatment steps.
Solution Approach 2:
The invention applies parameter changes by optimizing the powder injection molding parameters (temperature, pressure, injection speed) to ensure precise reproduction of the surface structures. By controlling these parameters, the complex surface patterns are formed with high precision directly during molding, without requiring subsequent precision machining or treatment steps.
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 solution provides a stable and secure attachment of the prosthetic tooth replacement to both the implant body and the gum, preventing bacterial growth and ensuring a long-lasting, durable connection.
Implementation Method 1
The superstructure support is manufactured from a blank which has been produced by means of a powder injection molding method. By means of the powder-injection casting, the blank is molded in the area facing the gum and the implantation body with a shape which is mathematically close to a desired final shape
Implementation Method 2
After removal of the mold, the binder of the blank is removed by baking or by chemical dissolution, at least to a large extent.
Implementation Method 3
Finally, the blank with the binder removed is sintered in an oven until it has the required material density. During this process, the geometric dimensions of the blank shrink about proportionally by 5-35 percent
Implementation Method 4
The support structure support is produced by a powder injection casting method with structured support surfaces such that a secure support of the superstructure and secure adhesion of the dental prosthesis to the implant body and the gum are ensured.
Data Source
AI summary
A superstructure support for disposition between an implantation body and a crown of a prosthetic tooth replacement includes a crown supporting area with an upper engagement structure or supporting the crown and a lower area facing the implantation body and having a smooth microstructure surface provided with webs and grooves extending around the superstructure support and acting as bacteria barrier between the gum of a patient and the superstructure support when mounted onto the implantation body installed in the jawbone of the patient.