Dental Pulp Stem Cells for Reparative Dentin Regeneration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for dental repair and regeneration, such as root canal procedures, often result in the use of artificial materials that can lead to infection and pain, and there is a need for new sources of stem cells and methods for their use in dentistry and medicine.
Innovation Solution
The use of human postnatal deciduous dental pulp multipotent stem cells, which can be isolated and differentiated into various cell types, including neural cells, adipocytes, and odontoblasts, to generate dentin, bone, and neural tissue, and can be implanted with or without carriers like hydroxyapatite and tricalcium phosphate to promote regeneration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If artificial materials are used for dental repair and regeneration, then structural replacement is achieved, but infection and pain risks increase
Solution Approach 1:
The patent utilizes the patient's own dental pulp stem cells to generate reparative dentin within the tooth structure. This self-service approach eliminates the need for artificial materials by activating the body's natural regenerative capacity, thereby avoiding infection risks associated with foreign materials while reducing pain through biological compatibility
Solution Approach 2:
The invention changes the fundamental parameter of dental repair from using external artificial materials to using internal biological cells. By inducing stem cells to differentiate into odontoblasts and generate dentin in vivo, the system transforms the repair mechanism from material replacement to biological regeneration, resolving the contradiction between structural integrity and infection risk
2Adaptability or versatility
If new stem cell sources are developed, then versatility in tissue regeneration is improved, but complexity of cell isolation and culture increases
Solution Approach 1:
The patent demonstrates that dental pulp stem cells possess multipotent capabilities, able to differentiate into multiple cell types including odontoblasts, neural cells, and adipocytes. This universality allows a single stem cell source to address multiple tissue regeneration needs, improving versatility while the standardized isolation protocol from deciduous teeth keeps the process relatively simple
Solution Approach 2:
The use of deciduous teeth as an intermediary source provides a practical solution for obtaining stem cells. These teeth are naturally exfoliated in children, providing an easy access point for cell collection without requiring invasive procedures. The established culture methods using specific growth factors serve as intermediary protocols that simplify the complex process of stem cell maintenance and differentiation
Data Source
AI summary
The invention generally relates to postnatal dental stem cells and methods for their use. More specifically, the invention relates in one aspect to postnatal dental pulp stem cells, use of the cells to generate dentin, and differentiation of the cells. In another aspect, the invention relates to human postnatal deciduous dental pulp multipotent stem cells, use of the cells to generate dentin, and differentiation of the cells.