Customized Regenerative Scaffold for Root Canal Pulp Tissue
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Solution Overview
Problem
Current methods for treating root canals often fail to regenerate pulp tissue effectively, leading to incomplete healing and potential reinfection due to the lack of a customized scaffold that matches the root canal's contour and promotes nutrient and oxygen transport.
Innovation Solution
A customized regenerative scaffold is created using a three-dimensional image of the root canal, manufactured to match its contour, made from materials that facilitate nutrient and oxygen transport, and inserted into the canal to promote pulp regeneration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional filler materials (gutta percha, sealers) are used to obturate the root canal, then the canal is sealed to prevent bacterial entry, but the pulp tissue cannot regenerate and healing is incomplete
Solution Approach 1:
The scaffold is made from porous biocompatible materials that allow nutrient and oxygen transport while maintaining structural integrity. The porous structure enables diffusion of essential substances from the canal wall to the regenerating pulp tissue, solving the contradiction between sealing and regeneration by allowing selective permeability.
Solution Approach 2:
The invention uses composite materials combining biocompatible polymers with bioactive components. These composite materials provide both the sealing function to prevent bacterial entry and the bioactivity to support pulp tissue regeneration, simultaneously addressing both requirements.
2Reliability
If a customized scaffold matching the root canal contour is manufactured, then pulp regeneration is promoted through improved nutrient transport, but the manufacturing process becomes complex requiring 3D imaging and custom fabrication
Solution Approach 1:
The scaffold design utilizes parameter changes in the form of varying porosity, pore size, and material composition along different regions of the scaffold to optimize nutrient transport and match the specific geometry of each patient's root canal. This allows customization without requiring entirely custom manufacturing processes.
Solution Approach 2:
The invention transitions from traditional two-dimensional cross-sectional imaging to three-dimensional imaging and modeling, enabling accurate contour matching of the scaffold to the root canal. This dimensional change allows for precise customization while streamlining the manufacturing process through digital modeling.
3Productivity
If the scaffold material promotes nutrient and oxygen transport, then pulp regeneration is enhanced, but the material selection and manufacturing precision requirements increase
Solution Approach 1:
The scaffold incorporates local quality variations with different material compositions and porosity levels in different regions. Areas requiring higher nutrient transport have increased porosity and optimized material composition, while other regions maintain structural support. This localized optimization enhances regeneration where needed without requiring uniform high precision throughout the entire scaffold.
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 customized scaffold effectively regenerates pulp tissue, enhances biologically-based root maturation, and reduces the risk of reinfection by sealing the canal, thereby improving treatment outcomes.
Implementation Method 1
the body is made of one or more materials that promote the transport of nutrients, oxygen, and waste between the wall of the root canal and the body
Implementation Method 2
the body is made of one or more materials that promote the transport of nutrients, oxygen, and waste between the wall of the root canal and the body
Data Source
AI summary
A scaffold for regenerating a pulp of a root canal includes a body that has a pre-formed contour that closely matches a contour of the root canal. A method of making a customized regenerative scaffold includes generating a three-dimensional image of a root canal. The method also includes manufacturing the customized regenerative scaffold based on the three-dimensional image of the root canal.