Magnetic Toothbrush Abrasive Unit for Plaque Removal
Solution Overview
Problem
Current methods for preventing dental caries, such as tooth brushing and dietary habits, are not fully effective in controlling cariogenic bacteria, and supplementary methods like mouth rinses and chewing gums have limited impact on removing dental plaque from all tooth surfaces.
Innovation Solution
A magnetically controlled abrasive system that uses a magnetic field to manipulate a magnetically controlled abrasive unit with abrasive protrusions to efficiently clean and polish tooth surfaces, including the buccal and lingual surfaces of each tooth, by controlling the position and orientation of the abrasive unit to effectively remove dental plaque.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional tooth brushing methods are used, then basic oral hygiene is maintained, but dental plaque cannot be completely removed from all tooth surfaces
Solution Approach 1:
The patent employs a magnetic drive system where a first magnetic unit in the handle generates a rotating magnetic field that interacts with a second magnetic unit in the abrasive member, causing the abrasive member to rotate and change orientation dynamically. This dynamic movement allows the abrasive protrusions to reach and clean all tooth surfaces including buccal, lingual, and interproximal areas that are difficult to access with traditional static toothbrushes
Solution Approach 2:
The patent replaces the traditional mechanical manual brushing motion with an electromagnetic system. The first magnetic unit generates a magnetic field that interacts with the second magnetic unit to produce rotational motion of the abrasive member, substituting the mechanical hand-movement system with an electromagnetic actuation system that provides more consistent and comprehensive tooth surface coverage
2Productivity
If magnetic field interaction is used to control abrasive unit movement, then comprehensive tooth surface cleaning is achieved, but device complexity increases
Solution Approach 1:
The magnetic units serve multiple functions: the first magnetic unit in the handle both generates the magnetic field and acts as a driver, while the second magnetic unit in the abrasive member both responds to the magnetic field and provides the abrasive cleaning function. This multi-functionality reduces the need for separate components and simplifies the overall device structure despite the electromagnetic complexity
Solution Approach 2:
The magnetic field acts as an intermediary between the handle and the abrasive member, transmitting rotational motion without direct mechanical connection. This magnetic coupling allows the abrasive unit to be controlled remotely while maintaining rotational movement, achieving comprehensive tooth surface coverage without requiring complex mechanical linkages
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 system provides a more comprehensive and efficient removal of dental plaque from all tooth surfaces, enhancing oral hygiene and reducing the risk of dental caries beyond the limitations of traditional methods.
Implementation Method 1
The first magnetic unit generates a magnetic field which interacts with the second magnetic unit. The interaction controls movement of the second body including movement of the at least one abrasive protrusion
Data Source
AI summary
A magnetically controlled abrasive system (MCAS) having a magnetic system to manipulate a magnetically controlled unit is provided. More specifically, a track member is operatively coupled to a first magnetic unit and a first surface of a first body. The track member facilitates movement of the first magnetic unit with respect to the first body. A second body is positioned proximal to the first body. More specifically, at least one abrasive protrusion is operatively coupled to a second surface of the second body and a second magnetic unit is operatively coupled to the second body. The first magnetic unit generates a magnetic field which interacts with the second magnetic unit. The interaction controls movement of the second body including movement of the at least one abrasive protrusion positioned in communication with the second body.