Oral cavity cleaning system with PH testing and oral cavity environment adjusting functions and oral cavity cleaning method

By designing an intelligent toothbrush system with PH testing and oral environment adjustment functions, the problem of users forgetting oral care is solved, intelligent monitoring and automatic adjustment of oral environment is realized, and the oral care effect and user satisfaction are improved.

CN119655918APending Publication Date: 2025-03-21SIMIAO SHANGHAI TECH CO LTD
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Patent Information

Application Number
CN202411770463.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

The existing technology lacks smart toothbrushes with PH testing and oral environment adjustment functions, which leads to users who are prone to forget oral care after brushing their teeth, increasing the risk of dental demineralization and dental caries.

Method used

A oral cleaning system with PH testing and oral environment adjustment functions was designed, including intelligent toothbrush module, PH detection module, oral environment analysis module, oral environment adjustment module and intelligent feedback module. The system uses micro PH sensors to perform oral PH detection, combines machine learning algorithms to analyze the oral environment, automatically adjust the oral environment, and provides real-time feedback and personalized suggestions through mobile applications.

Benefits of technology

It realizes intelligent monitoring and automatic adjustment of the oral environment, improves the convenience and effectiveness of oral care, reduces the risks of dental demineralization and dental caries, and provides a highly intelligent oral cleaning experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an oral cavity cleaning system and method with PH testing and oral cavity environment adjusting functions, and the system comprises intelligent toothbrush modules which are connected with each other and are used for designing an intelligent toothbrush for oral cavity cleaning and oral cavity environment adjusting; the PH detection module is used for detecting the PH of the oral cavity, collecting PH data and transmitting the PH data to the microprocessor; the oral environment analysis module is used for analyzing the PH data in real time, judging the acid-base property of the oral environment and predicting oral health risks; the oral environment regulation module is used for judging whether oral environment regulation is needed or not, and if so, selecting a corresponding care solution and releasing the care solution into the oral cavity; the intelligent feedback module is used for displaying the real-time oral PH value and cleaning suggestions. Intelligent monitoring and automatic adjustment of the oral environment are achieved, use in daily life is facilitated, the oral care effect is greatly improved, and possible oral health risks are reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of oral cleaning, and in particular to an oral cleaning system and method with pH testing and oral environment regulating functions. Background Art

[0002] Oral pH is an important indicator that reflects the acid-base status of the oral environment. Too high acidity in the oral cavity may lead to tooth demineralization and increased risk of dental caries. With the development of science and technology, people have an increasing demand for the intelligence of daily necessities. Although toothbrushes with oral pH detection functions have appeared, their intelligence level is relatively low, and there is no corresponding pH adjustment function, reminder function, etc. In real life, people often forget to perform corresponding oral care after brushing their teeth, resulting in the risk of tooth demineralization and dental caries. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art, the purpose of the present invention is to provide an oral cleaning system and method with pH testing and oral environment adjustment functions, which can realize intelligent monitoring and automatic adjustment of the oral environment, which is not only convenient for daily life, but also greatly improves the oral care effect and reduces possible oral health risks.

[0004] To achieve the above object, the present invention provides the following solution: an oral cleaning system with pH testing and oral environment adjustment functions, comprising:

[0005] A smart toothbrush module, used to design a smart toothbrush for oral cleaning and oral environment regulation;

[0006] A pH detection module, used to detect oral pH using a micro pH sensor, collect pH data and transmit it to a microprocessor;

[0007] An oral environment analysis module, for using the microprocessor to perform real-time analysis on the pH data, determine the acidity and alkalinity of the oral environment, and predict oral health risks using a machine learning algorithm in combination with oral history data;

[0008] An oral environment adjustment module, used to use the microprocessor to determine whether oral environment adjustment is required, and if so, to select a corresponding care solution from the medicine chamber and release the care solution into the oral cavity through a nozzle and a micro pump;

[0009] Smart Feedback Module, which uses a mobile app to display real-time oral pH and cleaning suggestions, and provides data logging, historical data tracking, and personalized program customization functions;

[0010] Wherein, the smart toothbrush module, the PH detection module, the oral environment analysis module, the oral environment adjustment module and the smart feedback module are interconnected.

[0011] Optionally, the smart toothbrush includes a brush head, bristles arranged on the outer side of the top of the brush head, and a handle portion arranged at the bottom of the brush head;

[0012] The brush head includes a micro camera disposed inside, an LED light connected to the micro camera, the micro PH sensor, an accelerometer connected to the micro PH sensor and the micro camera, a delivery tube, and the nozzle disposed at one end of the delivery tube;

[0013] The handle portion includes the micro pump disposed inside and connected to the other end of the delivery tube, a medicine chamber disposed at the bottom of the micro pump, and a control chip, a wireless communication module and a battery disposed at the bottom of the medicine chamber.

[0014] Optionally, the delivery tube includes a first delivery tube and a second delivery tube, the nozzle includes a first nozzle connected to one end of the first delivery tube and a second nozzle connected to one end of the second delivery tube, the micropump includes a first micropump connected to the other end of the first delivery tube and a second micropump connected to the other end of the second delivery tube, and the medicine chamber includes an acidic relief agent chamber connected to the first micropump and an alkaline relief agent chamber connected to the second micropump.

[0015] Optionally, the pH detection module includes:

[0016] an automatic activation unit, configured to use the accelerometer to determine whether there is a brushing action or a moving action of the smart toothbrush, and if so, automatically activate the micro PH sensor, the micro camera and the LED light; if not, place the micro PH sensor, the micro camera and the LED light in a low-power standby mode;

[0017] A data acquisition unit, used to perform oral pH detection and image acquisition after the micro camera and the micro pH sensor are activated, to obtain oral pH data and a standard intraoral area image;

[0018] The data transmission unit is used to utilize the wireless communication module to transmit the oral PH data and the standard intraoral area image to the microprocessor for data analysis, and then transmit the data analysis results to the mobile application program in real time for visual display.

[0019] Optionally, the oral environment analysis module includes:

[0020] A data processing unit, used for receiving the oral PH data and the standard intraoral area image by using the microprocessor, and performing data cleaning and data smoothing on the oral PH data to obtain standard PH data;

[0021] A real-time analysis unit, used to preset a pH threshold, judge the acidity and alkalinity of the standard pH data according to the pH threshold, and obtain an oral acidity and alkalinity analysis result; the pH threshold includes pH < 5.8 for acidity and pH > 7.5 for alkalinity;

[0022] A historical analysis unit, for periodically performing aggregate analysis on the oral history data using the microprocessor and machine learning algorithm to identify long-term trends and change patterns of oral acidity and alkalinity;

[0023] The risk prediction unit is used to construct a prediction model using the oral historical data and real-time data to perform oral health risk assessment.

[0024] Optionally, the risk prediction unit includes:

[0025] A data collection subunit, for collecting and integrating the standard PH data, toothbrush usage frequency, toothbrush usage time, personal health information and historical health data to obtain a comprehensive data set; wherein the standard PH data is divided into lip area standard data, cheek area standard data, palate area standard data and tongue area standard data according to the standard intraoral area image, and the personal health information and the historical health data are obtained by the user inputting into the mobile application;

[0026] A feature extraction subunit is used to perform data cleaning, feature extraction and data standardization based on the comprehensive data set to obtain key features; the key features include pH value change trends and cleaning habit patterns;

[0027] A model building subunit is used to select a machine learning algorithm according to prediction requirements and use a labeled data set to perform model training to obtain a prediction model; the standard data set consists of known caries data and gingivitis case data;

[0028] A risk assessment subunit, for calculating the probability of occurrence of oral diseases using the prediction model, and updating the calculation results according to real-time data;

[0029] The personalized suggestion subunit is used to generate personalized oral care suggestions based on the comprehensive data set and the calculation results, organize the oral care suggestions into a risk assessment report, and send the risk assessment report to the mobile application for visual display.

[0030] Optionally, the oral environment adjustment module includes:

[0031] An algorithm decision unit, configured to automatically start the first micro pump when the result of the oral acid-base analysis is pH <5.8, and automatically start the second micro pump when the result is pH >7.5;

[0032] The precise release unit is used to use the microprocessor to automatically control the start time of the micro pump according to the specific pH value of the oral acid-base analysis result to control the amount of care solution used.

[0033] Optionally, the intelligent feedback module includes:

[0034] A control interface for displaying the standard intraoral area image, oral pH data, oral acid-base analysis results, long-term trends and change patterns of oral acid-base, the probability of occurrence of oral diseases, and a risk assessment report;

[0035] an interactive unit for inputting personal health information and historical health records;

[0036] The cloud database is used to store relevant oral data of the pH detection module, the oral environment analysis module and the oral environment adjustment module, and set multiple historical time periods between the first detection and the last detection, and organize the stored data in each time period into an oral health record.

[0037] The present invention also provides an oral cleaning method with pH testing and oral environment adjustment functions, comprising the following steps:

[0038] Use the micro pH sensor inside the smart toothbrush to detect oral pH, collect pH data and transmit it to the microprocessor;

[0039] The microprocessor is used to analyze the pH data in real time to determine the acidity and alkalinity of the oral environment, and a machine learning algorithm is used to predict oral health risks in combination with oral history data;

[0040] The microprocessor is used to determine whether oral environment adjustment is required. If so, a corresponding care solution is selected from the medicine chamber and released into the oral cavity through a nozzle and a micro pump;

[0041] Use the mobile app to display real-time oral pH and cleaning recommendations, as well as record data, track historical data, and customize personalized plans.

[0042] The present invention discloses the following technical effects by providing an oral cleaning system and method with pH testing and oral environment adjustment functions:

[0043] 1. High convenience of use and good care effect: The present invention uses a smart toothbrush to automatically detect the pH value of the oral cavity while brushing teeth, and automatically releases corresponding care solution according to the detected pH value (the amount of care solution is automatically set and released according to the size of the detected value, which greatly improves the oral care effect) to adjust the oral environment, realize the simultaneous cleaning of teeth and regulation of the oral environment, prevent users from forgetting oral care, and facilitate use in daily life.

[0044] 2. High degree of intelligence: By utilizing machine learning algorithms, it can analyze the oral environment and intelligently control the adjustment process of the oral environment. At the same time, it can also observe the oral environment conditions, oral health risks, and oral care suggestions in real time through mobile applications, which promotes the user's oral health management and usage satisfaction, and provides an intelligent oral cleaning experience.

[0045] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0047] Figure 1 A schematic diagram of a system architecture provided by an embodiment of the present invention;

[0048] Figure 2 A schematic diagram of the structure of a smart toothbrush according to an embodiment of the present invention;

[0049] Figure 3 A schematic diagram of a method flow chart provided by an embodiment of the present invention;

[0050] Explanation of the reference numerals: 1. Brush head; 11. Micro pH sensor; 12. Accelerometer; 13a First delivery tube; 13b Second delivery tube; 14a First nozzle; 14b Second nozzle; 15. Micro camera; 16 LED light; 2. Bristles; 3. Handle; 31a First micro pump; 31b Second micro pump; 32a Acid relief agent chamber; 32b Alkaline relief agent chamber; 33 Control chip; 34 Battery. DETAILED DESCRIPTION

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0053] like Figure 1 As shown, the present invention provides an oral cleaning system with pH testing and oral environment regulation functions, including an interconnected smart toothbrush module, a pH detection module, an oral environment analysis module, an oral environment regulation module and an intelligent feedback module.

[0054] 1. Smart toothbrush module

[0055] like Figure 2 As shown, the smart toothbrush is designed to perform oral cleaning and oral environment adjustment. The smart toothbrush comprises a brush head 1, bristles 2 arranged on the top outer side of the brush head 1, and a handle 3 arranged at the bottom of the brush head 1.

[0056] The brush head 1 includes a micro camera 15 arranged inside, an LED light 16 connected to the micro camera 15, the micro pH sensor 11, an accelerometer 12 connected to the micro pH sensor 11 and the micro camera 15, a delivery tube, and the nozzle arranged at one end of the delivery tube.

[0057] The handle portion 3 includes the micro pump disposed inside and connected to the other end of the delivery tube, a medicine chamber disposed at the bottom of the micro pump, and a control chip 33, a wireless communication module and a battery 34 disposed at the bottom of the medicine chamber.

[0058] Among them, the delivery tube includes a first delivery tube 13a and a second delivery tube 13b, the nozzle includes a first nozzle 14a connected to one end of the first delivery tube 13a and a second nozzle 14b connected to one end of the second delivery tube 13b, the micropump includes a first micropump 31a connected to the other end of the first delivery tube 13a and a second micropump 31b connected to the other end of the second delivery tube 13b, and the medicine chamber includes an acid relief medicine chamber 32a (containing a care solution for relieving the acidic environment of the oral cavity) connected to the first micropump 31a and an alkaline relief medicine chamber 32b (containing a care solution for relieving the alkaline environment of the oral cavity) connected to the second micropump 31b.

[0059] 2. PH detection module

[0060] It is used to detect oral pH using a micro pH sensor 11, collect pH data and transmit it to a microprocessor. The pH detection module includes:

[0061] 2.1 Automatic Activation Unit

[0062] The accelerometer 12 is used to determine whether there is a brushing action or a moving action of the smart toothbrush. If so, the micro PH sensor 11, the micro camera 15 and the LED light 16 are automatically activated. If not, the micro PH sensor 11, the micro camera 15 and the LED light 16 are placed in a low-power standby mode to save electricity.

[0063] 2.2 Data Acquisition Unit

[0064] It is used to perform oral pH detection and image acquisition (acquiring four standard oral areas: lips, cheeks, palate and tongue) after the micro pH sensor 11 and the micro camera 15 are activated, and obtain oral pH data and standard oral area images (images of lips, cheeks, palate and tongue areas); the sensor material is a biocompatible material to ensure that long-term contact with the oral environment will not cause adverse reactions.

[0065] 2.3 Data Transmission Unit

[0066] The wireless communication module (such as Bluetooth or Wi-Fi) is used to transmit the oral PH data and the standard intraoral area image to the microprocessor for data analysis, and then transmit the data analysis results to the mobile application program in real time for visual display.

[0067] 3. Oral environment analysis module

[0068] The microprocessor is used to analyze the pH data in real time to determine the acidity and alkalinity of the oral environment, and to predict oral health risks using a machine learning algorithm in combination with oral history data. The oral environment analysis module includes:

[0069] 3.1 Data Processing Unit

[0070] The microprocessor is used to receive the oral PH data and the standard intraoral area image, and perform data cleaning (removing noise and outliers) and data smoothing (such as using a filter such as a Kalman filter) on the oral PH data to obtain standard PH data.

[0071] 3.2 Real-time analysis unit

[0072] It is used to preset a pH threshold, judge the acidity and alkalinity of the standard pH data according to the pH threshold, and obtain the oral acidity and alkalinity analysis result; the pH threshold includes pH <5.8 for acidity and pH >7.5 for alkalinity.

[0073] 3.3 Historical Analysis Unit

[0074] Used to utilize the microprocessor and machine learning algorithm to regularly perform aggregate analysis on the oral historical data to identify long-term trends and change patterns of oral acidity and alkalinity.

[0075] 3.4 Risk prediction unit

[0076] It is used to build a prediction model using the oral historical data and real-time data to conduct oral health risk assessment. The risk prediction unit includes:

[0077] 3.41 Data Collection Subunit

[0078] Used to collect and integrate the standard PH data, toothbrush usage frequency, toothbrush usage time, personal health information and historical health data to obtain a comprehensive data set; wherein the standard PH data is divided into lip area standard data, cheek area standard data, palate area standard data and tongue area standard data according to the standard intraoral area image; the personal health information (such as eating habits, brushing frequency, previous oral health history, etc.) and the historical health data (such as dental examination report) are obtained by the user inputting into the mobile application.

[0079] 3.42 Feature Extraction Subunit

[0080] It is used to perform data cleaning (remove outliers and noise to ensure data accuracy and consistency), feature extraction (extract key features from raw data) and data standardization (to meet the input requirements of machine learning models) based on the comprehensive data set to obtain key features; the key features include pH value change trends and cleaning habit patterns, etc.

[0081] 3.43 Model building subunit

[0082] It is used to select a machine learning algorithm (such as random forest, support vector machine or deep learning model) according to prediction requirements, and use a labeled data set to train the model to obtain a prediction model; the standard data set consists of known caries data and gingivitis case data.

[0083] Model optimization: Evaluate the performance of the model through cross-validation methods to prevent overfitting. Perform feature importance analysis to identify the features that have the greatest impact on the prediction results and optimize the model input.

[0084] 3.44 Risk Assessment Subunit

[0085] It is used to calculate the probability of occurrence of oral diseases (dental caries, gingivitis, etc.) using the prediction model, and update the calculation results based on the input of real-time data to provide the latest health status feedback.

[0086] 3.45 Personalized Recommendation Subunit

[0087] Used to generate personalized oral care recommendations based on the comprehensive data set and calculation results, organize the oral care recommendations into a risk assessment report (including risk probability, influencing factors and recommended measures, etc.), and send the risk assessment report to the mobile application for visual display.

[0088] 4. Oral environment adjustment module

[0089] The microprocessor is used to determine whether oral environment adjustment is required. If so, a corresponding care solution is selected from the medicine chamber and released into the oral cavity through a nozzle and a micro pump. The oral environment adjustment module includes:

[0090] 4.1 Algorithm Decision Unit

[0091] Used to automatically start the first micro pump when the result of the oral acid-base analysis is pH<5.8, and automatically start the second micro pump when the result is pH>7.5.

[0092] 4.2 Precision Release Unit

[0093] The microprocessor is used to automatically control the start time of the micro pump according to the specific pH value of the oral acid-base analysis result, so as to control the release amount (usage amount) of the care solution.

[0094] 5. Intelligent feedback module

[0095] It is used to display real-time oral pH value and cleaning suggestions using mobile applications, and provides data recording, historical data tracking and personalized program customization functions. The intelligent feedback module includes:

[0096] 5.1 Control Interface

[0097] It is used to display the standard intraoral area image, oral pH data, oral acid-base analysis results, long-term trends and change patterns of oral acid-base, the probability of occurrence of oral diseases and risk assessment reports. It uses physical buttons or touch screens and displays the power level and connection status of the smart toothbrush in real time.

[0098] 5.2 Interaction Unit

[0099] Used to input personal health information and historical health records for data analysis.

[0100] 5.3 Cloud Database

[0101] It is used to store the oral data related to the pH detection module, the oral environment analysis module and the oral environment adjustment module, and set multiple historical time periods between the first detection and the last detection, and organize the stored data in each time period into an oral health file. For example, in the past 90 days, three oral health files are obtained in units of 30 days.

[0102] like Figure 3 As shown, the present invention also provides an oral cleaning method with pH testing and oral environment adjustment functions, comprising the following steps:

[0103] The micro pH sensor 11 inside the smart toothbrush is used to detect the pH of the oral cavity, collect the pH data and transmit it to the microprocessor;

[0104] The microprocessor is used to analyze the pH data in real time to determine the acidity and alkalinity of the oral environment, and a machine learning algorithm is used to predict oral health risks in combination with oral history data;

[0105] The microprocessor is used to determine whether oral environment adjustment is required. If so, a corresponding care solution is selected from the medicine chamber and released into the oral cavity through a nozzle and a micro pump;

[0106] Use the mobile app to display real-time oral pH and cleaning recommendations, as well as record data, track historical data, and customize personalized plans.

[0107] Therefore, the present invention realizes intelligent monitoring and automatic adjustment of the oral environment by providing an oral cleaning system and method with pH testing and oral environment adjustment functions, which is not only convenient for daily life use, but also greatly improves the oral care effect and reduces possible oral health risks.

[0108] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0109] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An oral cleaning system with pH testing and oral environment adjustment functions, characterized in that: include: A smart toothbrush module, used to design a smart toothbrush for oral cleaning and oral environment regulation; A pH detection module, used to detect oral pH using a micro pH sensor, collect pH data and transmit it to a microprocessor; An oral environment analysis module, for using the microprocessor to perform real-time analysis on the pH data, determine the acidity and alkalinity of the oral environment, and predict oral health risks using a machine learning algorithm in combination with oral history data; An oral environment adjustment module, used to use the microprocessor to determine whether oral environment adjustment is required, and if so, to select a corresponding care solution from the medicine chamber and release the care solution into the oral cavity through a nozzle and a micro pump; Smart Feedback Module, which uses a mobile app to display real-time oral pH and cleaning suggestions, and provides data logging, historical data tracking, and personalized program customization functions; Wherein, the smart toothbrush module, the PH detection module, the oral environment analysis module, the oral environment adjustment module and the smart feedback module are interconnected.

2. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 1, characterized in that: The smart toothbrush comprises a brush head, bristles arranged on the outer side of the top of the brush head, and a handle arranged at the bottom of the brush head; The brush head includes a micro camera disposed inside, an LED light connected to the micro camera, the micro PH sensor, an accelerometer connected to the micro PH sensor and the micro camera, a delivery tube, and the nozzle disposed at one end of the delivery tube; The handle portion includes the micro pump disposed inside and connected to the other end of the delivery tube, a medicine chamber disposed at the bottom of the micro pump, and a control chip, a wireless communication module and a battery disposed at the bottom of the medicine chamber.

3. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 2, characterized in that: The delivery tube includes a first delivery tube and a second delivery tube, the nozzle includes a first nozzle connected to one end of the first delivery tube and a second nozzle connected to one end of the second delivery tube, the micropump includes a first micropump connected to the other end of the first delivery tube and a second micropump connected to the other end of the second delivery tube, and the medicine chamber includes an acidic relief agent chamber connected to the first micropump and an alkaline relief agent chamber connected to the second micropump.

4. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 3, characterized in that: The PH detection module comprises: an automatic activation unit, configured to use the accelerometer to determine whether there is a brushing action or a moving action of the smart toothbrush, and if so, automatically activate the micro PH sensor, the micro camera and the LED light; if not, place the micro PH sensor, the micro camera and the LED light in a low-power standby mode; A data acquisition unit, used to perform oral pH detection and image acquisition after the micro camera and the micro pH sensor are activated, to obtain oral pH data and a standard intraoral area image; The data transmission unit is used to utilize the wireless communication module to transmit the oral PH data and the standard intraoral area image to the microprocessor for data analysis, and then transmit the data analysis results to the mobile application program in real time for visual display.

5. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 4, characterized in that: The oral environment analysis module comprises: A data processing unit, used for receiving the oral PH data and the standard intraoral area image by using the microprocessor, and performing data cleaning and data smoothing on the oral PH data to obtain standard PH data; A real-time analysis unit, used to preset a pH threshold, judge the acidity and alkalinity of the standard pH data according to the pH threshold, and obtain an oral acidity and alkalinity analysis result; the pH threshold includes pH < 5.8 for acidity and pH > 7.5 for alkalinity; A historical analysis unit, for periodically performing aggregate analysis on the oral history data using the microprocessor and machine learning algorithm to identify long-term trends and change patterns of oral acidity and alkalinity; The risk prediction unit is used to construct a prediction model using the oral historical data and real-time data to perform oral health risk assessment.

6. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 5, characterized in that: The risk prediction unit comprises: A data collection subunit, for collecting and integrating the standard PH data, toothbrush usage frequency, toothbrush usage time, personal health information and historical health data to obtain a comprehensive data set; wherein the standard PH data is divided into lip area standard data, cheek area standard data, palate area standard data and tongue area standard data according to the standard intraoral area image, and the personal health information and the historical health data are obtained by the user inputting into the mobile application; A feature extraction subunit is used to perform data cleaning, feature extraction and data standardization based on the comprehensive data set to obtain key features; the key features include pH value change trends and cleaning habit patterns; A model building subunit is used to select a machine learning algorithm according to prediction requirements and use a labeled data set to perform model training to obtain a prediction model; the standard data set consists of known caries data and gingivitis case data; A risk assessment subunit, for calculating the probability of occurrence of oral diseases using the prediction model, and updating the calculation results according to real-time data; The personalized suggestion subunit is used to generate personalized oral care suggestions based on the comprehensive data set and the calculation results, organize the oral care suggestions into a risk assessment report, and send the risk assessment report to the mobile application for visual display.

7. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 6, characterized in that: The oral environment adjustment module comprises: An algorithm decision unit, configured to automatically start the first micro pump when the result of the oral acid-base analysis is pH <5.8, and automatically start the second micro pump when the result is pH >7.5; The precise release unit is used to use the microprocessor to automatically control the start time of the micro pump according to the specific pH value of the oral acid-base analysis result to control the amount of care solution used.

8. The oral cleaning system with pH testing and oral environment adjustment functions according to claim 7, characterized in that: The intelligent feedback module comprises: A control interface for displaying the standard intraoral area image, oral pH data, oral acid-base analysis results, long-term trends and change patterns of oral acid-base, the probability of occurrence of oral diseases, and a risk assessment report; an interactive unit for inputting personal health information and historical health records; The cloud database is used to store relevant oral data of the pH detection module, the oral environment analysis module and the oral environment adjustment module, and set multiple historical time periods between the first detection and the last detection, and organize the stored data in each time period into an oral health record.

9. An oral cleaning method with pH testing and oral environment adjustment functions, characterized in that: The following steps are involved: Use the micro pH sensor inside the smart toothbrush to detect oral pH, collect pH data and transmit it to the microprocessor; The microprocessor is used to analyze the pH data in real time to determine the acidity and alkalinity of the oral environment, and a machine learning algorithm is used to predict oral health risks in combination with oral history data; The microprocessor is used to determine whether oral environment adjustment is required. If so, a corresponding care solution is selected from the medicine chamber and released into the oral cavity through a nozzle and a micro pump; Use the mobile app to display real-time oral pH and cleaning recommendations, as well as record data, track historical data, and customize personalized plans.