Pre-reacted MTA Hydrogel for Endodontic Handling
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Solution Overview
Problem
Existing endodontic reactive mineral trioxide aggregate (MTA) compositions require a time-consuming mixing step, which can lead to handling errors and suboptimal mixing conditions, affecting the quality of obturation, despite their ability to stimulate dental tissue regeneration.
Innovation Solution
A dental composition comprising pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a hydrogel matrix, with a polymeric network and organic matrix, such as sodium alginate, pectin, and chitosan, to improve handling properties while maintaining tissue regeneration capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If reactive MTA composition is used to stimulate dental tissue regeneration, then bioactivity is improved, but handling properties deteriorate due to time-consuming mixing requirements
Solution Approach 1:
The MTA particles are pre-reacted and cured before being incorporated into the hydrogel matrix. This preliminary reaction step allows the material to be prepared in advance with optimal bioactivity, while the final application requires only simple insertion of the pre-formed composite without time-consuming mixing during the procedure.
Solution Approach 2:
The invention creates a composite material combining pre-reacted MTA particles with a hydrogel matrix. This composite approach maintains the bioactive properties of MTA while the hydrogel provides improved handling characteristics, allowing the material to be inserted as a cohesive unit rather than requiring mixing of separate components.
2Reliability
If reactive MTA composition is used for tissue regeneration, then bioactivity is improved, but treatment time increases due to mixing requirements
Solution Approach 1:
The MTA is pre-reacted and incorporated into the hydrogel matrix during manufacturing, completing the chemical reaction before clinical use. This eliminates the need for time-consuming mixing steps during the endodontic procedure, reducing treatment time while preserving the bioactive benefits of MTA.
Solution Approach 2:
The invention replaces the mechanical mixing process with a pre-formed composite material that requires only insertion. The hydrogel matrix encapsulates the pre-reacted MTA particles, allowing delivery without mechanical mixing operations during the procedure.
3Reliability
If reactive MTA composition is used to stimulate tissue regeneration, then bioactivity is improved, but handling precision deteriorates due to mixing variations
Solution Approach 1:
The MTA particles are pre-reacted under controlled manufacturing conditions with precise stoichiometric ratios, ensuring consistent bioactivity. This preliminary preparation eliminates variability in mixing ratios that could occur during clinical application, as the optimal composition is established during fabrication of the composite material.
Solution Approach 2:
The hydrogel matrix encapsulates pre-reacted MTA particles in a predetermined ratio, creating a homogeneous composite with consistent bioactive properties. This composite structure eliminates the need for precise clinical mixing, as the optimal particle-to-gel ratio is fixed during manufacturing, improving handling precision and reducing practitioner variability.
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 composition provides enhanced handling properties, biocompatibility, antibacterial effects, and tissue regeneration, with improved clinical performance by maintaining calcium ion presence on the surface of MTA, reducing the risk of inflammatory responses and supporting tissue regeneration.
Implementation Method 1
pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a hydrogel wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition
Implementation Method 2
maintaining calcium ion presence on the surface of MTA, reducing the risk of inflammatory responses and supporting tissue regeneration
Data Source
AI summary
A dental composition comprising pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a hydrogel wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition.