Chair-Side ATP Luminescence Testing for Endodontic Debris
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Solution Overview
Problem
Current methods for testing dental cellular debris in root canals are inadequate, leading to unnecessary removal of healthy tooth structure and high failure rates in root canal procedures due to the inability to accurately quantify and address cellular contamination.
Innovation Solution
A system for in vivo testing using a luminescence sampler and luminometer to measure adenosine triphosphate (ATP) levels, allowing for rapid, simple, and cost-effective assessment of cellular debris in endodontic cavities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical instrumentation and chemical disinfectants are used to clean root canals, then the cleaning capability is improved, but cellular debris still remains and contamination persists
Solution Approach 1:
The patent replaces mechanical detection methods with a biochemical detection system using ATP luminescence. The luminometer and luminescent sampler provide quantitative measurement of cellular debris through chemical-biological reactions, substituting subjective visual inspection and inadequate mechanical cleaning verification with objective photometric measurement.
Solution Approach 2:
The patent introduces ATP as an intermediary substance that mediates between cellular debris and the detection system. The luminescent sampler contains reagents that react with ATP from cellular debris to produce light, which is then measured by the luminometer. This intermediary enables indirect but quantitative detection of cellular contamination.
2Reliability
If root canal structure is enlarged through mechanical instrumentation, then cleaning access is improved, but unnecessary healthy tooth structure is removed
Solution Approach 1:
The patent implements feedback control by using ATP luminescence measurement to monitor cellular debris levels during root canal treatment. The luminometer provides real-time quantitative feedback on cleaning effectiveness, allowing the dentist to stop instrumentation when adequate cleaning is achieved, thereby preventing unnecessary removal of healthy tooth structure while ensuring sufficient debridement.
3Ease of operation
If current root canal procedures are performed without cellular debris testing, then treatment simplicity is maintained, but success rate is reduced due to undetected contamination
Solution Approach 1:
The patent enables self-service detection where the luminescent sampler and luminometer allow the dentist to perform cellular debris testing themselves during the root canal procedure without requiring external laboratory services. The system is designed for point-of-care use, maintaining procedural simplicity while significantly improving success rates through accurate contamination assessment.
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
Enhances the success rate of root canal procedures by providing accurate and quantitative data on cellular contamination, minimizing unnecessary treatments and preserving healthy tooth structure.
Implementation Method 1
A system for in vivo testing using a luminescence sampler and luminometer to measure adenosine triphosphate (ATP) levels
Data Source
AI summary
A system of in vivo testing for recently viable dental cellular debris is disclosed herein. The present invention discloses a method and apparatus for detecting for the presence of cellular debris from an endodontic cavity and other areas of a tooth by testing for the presence of cellular debris such as Adenosine Triphosphate (ATP). The sample is collected from a tooth or endodontic cavity and combined with a chemical indicator which causes a detectable change in the indicator that is sensed by a luminescence reader. The level of ATP in a sample corresponds to the level of contamination still present in the tooth or endodontic cavity and can be used to determine what additional steps, if any, are necessary in order to clean and disinfect the tooth. This method of sampling the tooth or endodontic cavity allows for a rapid, chair-side, affordable, and easy to use method to determine the level of cellular contamination.