Artificial Dental Calculus Model for Rapid Treatment Assessment
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Solution Overview
Problem
Current methods for assessing dental calculus treatments are time-consuming and costly due to the slow growth of natural plaque and calculus, requiring numerous subjects and extensive clinical studies.
Innovation Solution
Development of artificial dental calculus models that can be generated in vitro, using a mineralized biofilm with extracellular support materials like collagen and specific bacterial species, such as Neisseria canis and Frederiksenia canicola, to simulate natural calculus formation in a shorter timeframe.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If natural plaque and calculus are used for assessing treatments, then clinical relevance is maintained, but the process becomes time-consuming and costly
Solution Approach 1:
The patent creates artificial calculus models that replicate the structure, composition, and properties of natural calculus. By copying the essential characteristics of natural plaque and calculus (using similar bacterial species, extracellular polymeric substances, and mineral composition), the invention enables treatment assessment without requiring live subjects or lengthy clinical studies, thus resolving the contradiction between clinical relevance and time consumption
Solution Approach 2:
The patent modifies key parameters of calculus formation by controlling bacterial colonization, mineralization conditions, and extracellular matrix composition in vitro. By adjusting these parameters to match natural calculus properties while accelerating the formation process through controlled environmental conditions, the invention achieves both clinical representativeness and reduced time requirements
2Reliability
If natural calculus formation is waited for in clinical studies, then realistic treatment testing is achieved, but the quantity of subjects required increases
Solution Approach 1:
The artificial calculus models serve as substitutes for natural calculus in treatment assessment. By creating in vitro models that accurately replicate the target tissue properties, the invention eliminates the need for numerous live subjects while maintaining treatment assessment accuracy, directly resolving this contradiction
3Productivity
If artificial calculus is created in vitro, then time and subject requirements are reduced, but the complexity of the production process increases
Solution Approach 1:
The patent divides the calculus formation process into distinct sequential stages: bacterial colonization phase, biofilm development phase, and mineralization phase. Each stage is optimized independently with specific environmental conditions, allowing controlled acceleration of each step while maintaining overall process manageability and reducing total formation time
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
Enables rapid and reliable creation of clinically representative artificial calculus, reducing the need for live subjects and time, thus facilitating the assessment of treatments for preventing or removing dental calculus.
Implementation Method 1
applying a solution comprising calcium and phosphate to the mixture on the dental substrate; and removing the dental substrate from the production environment after a period of time during which a mineralized biofilm comprising the extracellular support material and the at least one bacterial species forms on the dental substrate
Data Source
AI summary
Example artificial dental calculus models are described. In one example, an in vitro artificial dental calculus includes a dental substrate and a mineralized biofilm comprising an extracellular support material and at least one bacterial species. In one example, a method for creating an in vitro dental calculus model includes applying saliva to a dental substrate in a production environment, applying a mixture of an extracellular support material and at least one bacterial species to the dental substrate, applying a solution comprising calcium and phosphate to the mixture on the dental substrate, and removing the dental substrate from the production environment after a period of time during which a mineralized biofilm comprising the extracellular support material and the at least one bacterial species forms on the dental substrate.