Sensor Toothbrush System for Compliance Monitoring

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Solution Overview

Problem

Low compliance with recommended tooth brushing regimes leads to increased cavities and gum disease due to inadequate removal of plaque, despite dental health education having only a small and temporary effect, and existing monitoring systems are insufficient in improving brushing efficacy.

Innovation Solution

A toothbrush system equipped with sensors that record brushing activities and provide feedback through a mobile device, using gamification and incentives to increase user compliance, including a base station for data transfer and analysis, and a network for cloud processing to offer personalized brushing advice.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If dental health education is provided to users, then awareness of proper brushing practices is improved, but long-term compliance and sustained behavior change do not occur

Engineering Contradiction:
Improveretention of brushing knowledgeVSAvoidsustained compliance
Core Design Contradiction:
Loss of informationVSReliability

Solution Approach 1:

The system provides real-time feedback during brushing through sensors that monitor brushing duration, coverage areas, and pressure applied. The mobile device delivers immediate performance feedback and motivational messages, creating a closed-loop system that continuously reinforces proper behavior rather than relying solely on prior education

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system enables users to self-monitor their own brushing performance through the mobile application, which automatically tracks and evaluates their brushing habits. Users gain autonomy in managing their oral hygiene through personalized dashboards that display their progress and areas for improvement

Inventive Principle:
Principle #25Self-service

2Loss of time

If traditional monitoring systems are used to track brushing activities, then brushing duration is recorded, but brushing efficacy and plaque removal quality are not improved

Engineering Contradiction:
Improvebrushing duration trackingVSAvoidbrushing efficacy measurement
Core Design Contradiction:
Loss of timeVSMeasurement precision

Solution Approach 1:

The system divides the mouth into multiple zones or quadrants and uses sensors to track whether each specific area has been adequately brushed. This segmentation allows precise measurement of coverage quality rather than merely recording total brushing time

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent replaces simple mechanical timers with sophisticated sensor systems including accelerometers, gyroscopes, and pressure sensors that detect brushing motions, patterns, and force distribution to evaluate actual brushing effectiveness

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If existing toothbrushes are used without additional monitoring components, then device simplicity is maintained, but user compliance with recommended regimes remains low

Engineering Contradiction:
Improvetoothbrush structureVSAvoidcompliance rate
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The toothbrush is designed to perform multiple functions: mechanical cleaning, sensor data collection, wireless communication, and motivational feedback delivery. By integrating these functions into a single device ecosystem, the system maintains ease of use while significantly improving compliance through engagement features

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 significantly enhances user compliance with recommended brushing practices, improving plaque removal and reducing dental complications by providing real-time feedback and motivation, thereby promoting better oral hygiene.

Implementation Method 1

a magnetometer sensor in the toothbrush. The recharging circuit may optionally also act as a magnetic transmitter

Methodology Applied
Scientific EffectMagnetic field detection: Magnetometer

Data Source

PatentEP3294201B1Toothbrush system with magnetometer for dental hygiene monitoring
Publication Date: 2021.11.24 KOLIBREE
  • EP3294201B1 patent drawingFigure 1
  • EP3294201B1 patent drawingFigure 2
  • EP3294201B1 patent drawingFigure 3A

AI summary

Tooth brushing monitoring system is disclosed that includes a toothbrush with sensors and a base station. The sensors record data regarding the quality, quantity and location of brushing and the system can analyze the data to provide feedback on the quality of brushing. This feedback provides motivation for users to increase their brushing habits, leading to a decrease in plaque, tooth decay and gingivitis