CN220293592U - Oral cavity image acquisition device - Google Patents

Abstract

The application discloses an oral cavity image acquisition device, which is provided with a mask matched with an oral cavity, wherein at least one camera and at least one lighting lamp are arranged in the mask; the camera is used for acquiring an oral cavity image; the lighting lamp is used for providing a proper light source for the camera; the oral cavity image acquisition device further comprises a communication unit, wherein the communication unit is used for transmitting the oral cavity image. By adopting the oral cavity image acquisition device, images of all angles in the oral cavity can be acquired, and diagnosis of disease parts is facilitated.

Description

Oral cavity image acquisition device

The application is a divisional application of Chinese patent application with the application date of 2021, 11, 15 and the application number of 202122791189.9, and the name of an oral health recognition system and an oral health recognition instrument.

Technical Field

The present application relates to oral hygiene detection devices, and in particular to an oral image acquisition device.

Background

Studies have shown that oral hygiene is closely related to human physical health and that a large number of microbial flora is parasitic on oral, dental and mucosal surfaces, causing a wide variety of oral diseases. Common oral diseases in life include dental plaque, dental caries, gingivitis, dental calculus, dental ulcer and the like, bacteria enter a blood circulation system due to oral disease infection, and the risks of heart diseases and strokes are greatly increased, so that real-time monitoring of oral hygiene health conditions is needed.

However, modern life and work rhythm are faster, it is not easy to know the oral health condition in time, and at present, only dentists using professional equipment can easily determine the oral health condition through vision, and specific treatment suggestions are given to lesion areas. In general, in order to obtain timely and effective oral health and to make targeted prophylaxis and treatment, it is often necessary to see dentists at least once a half year, and for patients with serious oral problems, it is even necessary to see dentists once a month. However, even so, oral health checks do not keep pace with the rate of oral disease development. Therefore, the research of the intelligent oral cavity image acquisition device has important practical significance for the oral cavity diagnosis and treatment work, and if the oral cavity image acquisition device can acquire images of all angles in the oral cavity, the diagnosis of disease parts can be greatly facilitated, and the intelligent oral cavity image acquisition device is also important for oral cavity health.

Disclosure of Invention

The embodiment of the application provides an oral cavity image acquisition device, adopts above-mentioned oral cavity image acquisition device, can acquire the inside image of each angle of oral cavity, conveniently diagnose disease position.

The embodiment of the application provides an oral cavity image acquisition device, which is provided with a mask matched with an oral cavity, wherein at least one camera and at least one lighting lamp are arranged in the mask; the camera is used for acquiring an oral cavity image; the lighting lamp is used for providing a proper light source for the camera; the oral cavity image acquisition device further comprises a communication unit, wherein the communication unit is used for transmitting the oral cavity image.

Optionally, the oral image acquisition device includes a trigger button for initiating an image acquisition process.

Optionally, the oral cavity image acquisition device is provided with a positioning notch or/and a positioning protrusion, and the positioning notch or/and the positioning protrusion are used for being matched with the characteristic position of the oral cavity to determine the standard position when the camera captures the standard image of the oral cavity.

Optionally, the lighting lamp includes any one or more of the following: lighting lamp, flash lamp, violet lamp, fluorescent lamp and infrared lamp.

Optionally, the mask is provided with an adjusting device which is matched with the size of the oral cavity, and the adjusting device adjusts the mask in a pressing and/or sliding mode so as to be matched with the size of the oral cavity.

Optionally, the oral cavity image acquisition device further comprises a control unit, wherein the control unit is used for controlling the camera and the lighting lamp to work according to a preset sequence, and sequentially acquiring images of a preset standard angle and preset standard light in an oral cavity so as to form the oral cavity standard image; and transmitting the oral standard image according to a preset program.

Optionally, the oral cavity image obtaining device further includes: the display screen is used for displaying oral cavity images entering the visual field of the camera, the display screen is a touch screen, and a touch interface for controlling the camera and the lighting lamp is provided through the touch screen.

Optionally, the oral image acquisition device further includes: the handle for holding, handle internally mounted has rechargeable battery, still be provided with the data line interface on the handle, the data line interface is used for charging or transmission oral cavity image.

Optionally, an optical filter is arranged in the mask, and the optical filter is used for avoiding the damage of ultraviolet rays to eyes of a detector.

Optionally, the oral cavity image acquisition device further comprises a base, wherein the base is connected with the bottom end of the handle, and the base is used for placing the oral cavity image acquisition device;

the oral cavity image acquisition device further comprises a 3-time observation mirror, wherein the 3-time observation mirror is detachably arranged below the base, is sunken in the base and is embedded in a matched mode with the base.

Compared with the prior art, the embodiment of the application has the following advantages:

the embodiment of the application provides an oral cavity image acquisition device, which is provided with a mask matched with an oral cavity, wherein at least one camera and at least one lighting lamp are arranged in the mask; the camera is used for acquiring an oral cavity image; the lighting lamp is used for providing a proper light source for the camera; the oral cavity image acquisition device further comprises a communication unit, wherein the communication unit is used for transmitting the oral cavity image. By adopting the oral cavity image acquisition device, images of all angles in the oral cavity can be acquired, and diagnosis of disease parts is facilitated.

Drawings

Fig. 1 is a schematic diagram of an oral health identification system according to a first embodiment of the present application;

fig. 2 is a front view of an oral image capturing device according to a second embodiment of the present application;

fig. 3 is a rear view of an oral image capturing device according to a second embodiment of the present application;

fig. 4 is a right side view of an oral image capturing device according to a second embodiment of the present application.

In the figure: 1. the hand grip, 2, trigger button, 3, the gauze mask, 4, the base, 5, shine the lamp, 6, the camera, 7, the display screen, 8, the light filter, 9, the observation window, 10, the data line interface.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other ways than those herein described and similar generalizations can be made by those skilled in the art without departing from the spirit of the application and the application is therefore not limited to the specific embodiments disclosed below.

The embodiment of the application provides an oral health recognition system, an oral image acquisition device, an oral image recognition device and an oral health recognition instrument, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, and the embodiment of the application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, a first embodiment of the present application provides an oral health identification system including an oral image acquisition device 100 and an oral image identification device 200.

Wherein, the oral cavity image acquisition device 100 is used for acquiring oral cavity images;

the oral cavity image can be obtained in various modes, one mode is that the oral cavity image obtaining device 100 comprises a mask matched with the oral cavity, when the oral cavity image obtaining device is used, the front end part of the mask is attached to the mouth of a human body, a lighting lamp and a camera are arranged on the mask, after a trigger button is started, the oral cavity image is obtained by shooting the inside of the oral cavity through the camera under the condition that the lighting lamp provides a proper light source; since it is necessary to ensure that the image acquired by the oral image acquiring apparatus 100 is a standard image that is convenient for identification, the oral image acquiring apparatus 100 further includes a control unit (not shown in the figure) for controlling the camera and the lighting lamp to operate in a preset order, and sequentially acquiring images at a predetermined standard angle and a predetermined standard light inside the oral cavity, thereby forming a standard image that is convenient for identification.

It should be noted that, in order to realize the positioning of the teeth in the oral cavity and form the standard image of the oral cavity, a positioning notch or/and a positioning protrusion is further provided on the mask in the embodiment of the present application, and the positioning notch or/and the positioning protrusion are matched with the characteristic position of the oral cavity. For example, when the mask is used, the mask is attached to the mouth, and the positioning notch or/and the positioning protrusion on the mask are correspondingly matched with the upper row of incisors of the user, so that the positions of the upper row of incisors of the user are marked, and therefore, the oral cavity standard image of the user, which is convenient to identify and takes the upper row of incisors as the standard position, is formed.

The oral image recognition device 200 is configured to recognize an oral image acquired by the oral image acquisition device 100, and perform oral health status recognition according to the oral image; the oral image acquisition device 100 is communicatively connected with the oral image recognition device 200, and is used for transmitting the oral image acquired by the oral image acquisition device 100 to the oral image recognition device 200 for recognizing oral health conditions.

It should be noted that, the oral image recognition device 200 includes a server disposed at a cloud end, and an oral condition recognition model configured in the server, when an oral image to be recognized is needed, the oral image acquisition device 100 transmits the oral image to the cloud end, and the cloud end manages the oral image, in this embodiment, the cloud end stores the oral condition recognition model, and the oral image is input into the oral condition recognition model, so that the oral image is recognized in the cloud end, and the cloud end is the cloud end server, and is used for storing the image acquired by the oral image acquisition device 100 and recognizing the oral health condition, and then returning the recognition result.

The oral cavity condition recognition model is a machine model which is designed by adopting a deep learning algorithm or other machine learning algorithms and is specially used for recognizing the oral cavity condition according to an oral cavity image, and can recognize the oral cavity health condition according to the oral cavity image through pre-training, and in a preferred implementation manner provided by the embodiment of the application, the training of the oral cavity condition recognition model is performed by adopting the following modes:

the oral cavity image acquisition device 100 acquires an oral cavity image, wherein the oral cavity image is a group of oral cavity standard images obtained for the oral cavity of a certain volunteer according to set shooting parameters and set lamplight standards and shooting sequences, and each group of oral cavity standard images is a sample for model training; the oral cavity images are all oral cavity standard images with the tooth positions calibrated through a positioning unit, for example, from the middle of the teeth, the teeth on the left side of the lower row of teeth are the teeth No. 1 (DL 1, namely, down left 1), the teeth on the left side of the lower row of teeth No. 2 (DL 2, namely, down left 2) … …, the teeth on the right side of the upper row of teeth No. 1 (UR 1, namely, up right 1), and the teeth on the right side of the upper row of teeth No. 2 (UR 2, namely, up right 2) … …, so that each tooth in the oral cavity standard images has a corresponding position mark; manually identifying and calibrating each group of samples, for example, calibrating which tooth has decayed teeth and calibrating other oral cavity disease conditions; in this way, the oral standard images with enough groups of different volunteers are obtained, and after manual identification and calibration are carried out, a training sample for training is obtained. Providing the samples to a machine learning model, and training the machine learning model; with sufficient training samples, the machine learning model can be trained to have a sufficiently high recognition rate that the oral condition recognition model can be used.

The specific recognition method of the oral image recognition device 200 is as follows: after the oral cavity image acquisition device 100 acquires the oral cavity standard image, the oral cavity image acquisition device 100 is in communication connection with the oral cavity image recognition device 200, the oral cavity image acquisition device 100 transmits the oral cavity standard image to the oral cavity image recognition device 200, the oral cavity image recognition device 200 inputs the acquired oral cavity standard image into an oral cavity condition recognition model at the cloud end, and as the oral cavity condition recognition model is trained in a large amount in advance, the oral cavity image recognition device 200 can output an oral cavity health recognition result corresponding to the oral cavity standard image after inputting the oral cavity condition recognition model, and store the oral cavity health recognition result at the cloud end, and meanwhile, the oral cavity image recognition device 200 can also return the oral cavity health recognition result to the oral cavity image acquisition device 100 in real time through a communication unit, and display the oral cavity health recognition result on a display device of the oral cavity image acquisition device 100, so that a user can conveniently acquire a detection result in time, and a doctor in time.

It should be noted that, the oral cavity recognition device 200 may also be a locally deployed server, and an oral cavity condition recognition model configured in the local server, and the specific recognition process is similar to the above-mentioned process of recognizing in the cloud, and will not be described in detail herein.

The oral health recognition system may further include a computing terminal 300 communicatively connected to the oral image capturing device 100 in a short-range communication manner, and the oral image capturing device 100 may implement the communication connection with the oral image recognition device 200 through the computing terminal 300. The computing terminal 300 includes a communication unit for controlling transmission of the oral cavity image, and after the oral cavity image acquiring device 100 acquires the oral cavity image, the communication unit transmits the oral cavity image to the oral cavity image identifying device through wireless modes such as bluetooth and WIFI or wired modes such as USB connection.

The second embodiment of the present application provides an oral cavity image capturing device, please refer to fig. 2-3, wherein fig. 2 is a front view of the oral cavity image capturing device, fig. 3 is a rear view of the oral cavity image capturing device, and fig. 4 is a right view of the oral cavity image capturing device.

The oral cavity image acquisition device 100 comprises a mask 3 which is matched with the oral cavity, a camera 6, a lighting lamp 5 and a handle 1 which are arranged on the mask 3 and used for holding.

The mask 3 is provided with a front end part contacted with the mouth, and the shape of the front end part is designed to be matched with the outline shape of the mouth of a human body, so that the mask is beneficial to expanding the lips. The mask 3 is made of food-grade ABS (acrylonitrile-butadiene-styrene copolymer) material, and is safe and nontoxic. The mask 3 further has an adjusting device (not shown in the figure) adapted to the size of the mouth, and an electric control mechanism is installed inside the adjusting device, and the electric control mechanism is internally provided with a function of adjusting the size of the mask through a fine adjustment motor. The size of the mask 3 can be adjusted by pressing and/or sliding the mask so that the mask can fit the size of the mouth. The pressing mode can be adjusted by adopting an 'increase' or 'decrease' button, and the sliding mode comprises sliding in four directions of 'up sliding', 'down sliding', 'left sliding', 'right sliding'. The upper slide is used for adjusting the size of the mask 3 in the vertical direction, wherein the upper slide is used for increasing the size of the mask 3 in the vertical direction, and the lower slide is used for reducing the size of the mask 3 in the vertical direction; the left-right sliding is used for adjusting the size of the mask 3 in the horizontal direction, wherein the left sliding is used for increasing the size of the mask 3 in the horizontal direction, and the right sliding is used for reducing the size of the mask 3 in the horizontal direction. The main consideration here is that the mouth sizes and the shapes of different users are inconsistent, and the mask can meet the use requirements of all people through the adjusting device.

At least one camera 6 and at least one lighting lamp 5 are arranged in the mask; the camera 6 is used for shooting oral cavity images; the lighting lamp 5 is used to provide a suitable light source for the camera 6. Wherein the lighting lamp 5 comprises any one or more of the following: lighting lamp, flash lamp, violet lamp, fluorescent lamp and infrared lamp. The oral image acquisition device 100 comprises a trigger button 2 for initiating the image acquisition process. This trigger button 2 installs on oral cavity image acquisition device's handle 1, through start trigger button 2, open the light source that corresponds according to actual need, the mode of opening of light source specifically is, realize the switching of different lights through pressing the button, for example, press the button for the first time and trigger the start-up light source, the button corresponds the opening light is pressed to the second time, the button corresponds the opening flash light is pressed to the third time, the button corresponds the opening purple light lamp is pressed to the fourth time, the fluorescent lamp is opened in the button corresponds to the fifth time, the infrared lamp is opened in the button corresponds to the sixth time to satisfy the user demand of user to the different light lamps.

It should be noted that different disease types in the oral cavity need to be seen under different light sources, for example, when detecting whether teeth have dental plaque, a purple light needs to be turned on, and after ultraviolet light with a specific wavelength is irradiated onto the teeth, the teeth with dental plaque can be in a pink color. In addition, the mask 3 is internally provided with an optical filter 8, the optical filter 8 is made of a special polymer material, and the purpose of arranging the optical filter 8 is to avoid the damage of ultraviolet rays to eyes of a detector. In addition, the oral cavity image acquisition device still includes base 4, and this base 4 is connected with the bottom of handle 1 for place whole oral cavity image acquisition device, be sunken in the inside 3 times observation mirror (not shown in the figure) of inlaying of base 4 and matching with base 4 below the base 4, this observation mirror can be dismantled, is applicable to the self-checking.

Taking dental plaque detection as an example, in specific use, a user takes the oral cavity image acquisition device 100 out of the base 4, holds the handle 1, turns on the trigger button 2, adjusts the light source of the lighting lamp 5 into ultraviolet light, attaches the mask 3 to the mouth, and allows the user to grin teeth, and the detector can see whether dental plaque exists on the teeth of the detected person through the observation window 9 and the optical filter 8. When a user performs self-inspection, the 3 times observation mirror below the base 4 is aligned to the observation window 9, and the user can see whether dental plaque exists on the teeth or not from the 3 times observation mirror. The handle 1 of the oral cavity image acquisition device is internally provided with a rechargeable battery, and the handle 1 also comprises a data line interface 10 for charging or transmitting oral cavity images.

The oral image capturing device 100 has a positioning notch or/and a positioning protrusion, and the positioning notch or/and the positioning protrusion are used to cooperate with the characteristic position of the oral cavity to determine the standard position when the camera 6 captures the standard image of the oral cavity. The oral characteristic position may be specifically a position of several teeth fixed in the oral cavity, and the positioning notch or/and the positioning protrusion are placed at the fixed teeth position, so that the oral image acquisition device 100 can conveniently acquire an oral standard image.

The oral image capturing device 100 further includes a communication unit (not shown) for transmitting an oral image. The communication unit adopts wireless communication modes such as bluetooth, WIFI and the like, or can also adopt wired communication modes such as a data line plug-in port 10 and the like arranged on the handle 1.

The oral cavity image obtaining apparatus 100 further includes a control unit (not shown in the figure), which is used for controlling the camera 6 and the lighting lamp 5 to work according to a preset sequence, and sequentially obtain images of a preset standard angle and a preset standard light in the oral cavity to form an oral cavity standard image; and transmitting the oral standard image according to a preset program. Here, when it is necessary to take an image of the oral cavity, the control unit controls the camera 6 and the lighting lamp 5 to operate in order. The preset standard angle in the oral cavity refers to a plurality of standard angle positions which are calibrated in advance, and an oral cavity image shot by the positions is a standard oral cavity image, meets the identification requirement and is convenient for disease analysis. "predetermined standard light" means selecting an appropriate light source according to the type of oral disease. For example, when detecting dental plaque, the predetermined standard light is an ultraviolet light source having a wavelength of 405 nm. After the oral cavity standard image shooting is completed, the control unit transmits the oral cavity standard image according to a preset program. In order to obtain standard images for identification, a set of standard images can be set, or a plurality of sets of standard images can be set according to different requirements, and a control unit in the oral cavity image obtaining device 100 controls different lighting lamps 5 to cooperate with cameras 6 at different positions to obtain a set of standard images under different angles and different light sources according to a preset program; the set of standard images is sent to the oral image recognition device 200 for recognition. In the foregoing training of the oral condition recognition model, each set of standard images may be obtained in the same manner, and the standard images may be used as samples on which the manual calibration and training is based.

The oral image capturing device 100 further comprises a display 7, which display 7 is adapted to display an oral image into the field of view of the camera 6. The display 7 is a touch panel, and a touch interface for controlling the camera 6 and the lighting lamp 5 is provided by the touch panel. The angle of the camera 6 for capturing the oral cavity image can be controlled by touching the display screen 7, for example, the shooting angle of the camera can be adjusted according to the requirement of the oral cavity checking position, so that the captured oral cavity image is clearer and more accurate. The type of the lighting lamp 5 and the intensity of the light source can be adjusted by touching the display screen 7 so as to acquire more standard oral cavity images. In the example of the dental plaque detection, the dental plaque condition on the teeth of the user can be displayed on the display screen in real time, so that the user can observe conveniently, meanwhile, the user can know the oral condition in time, and can seek medical advice in time when finding problems, and the oral health is guaranteed. The embodiment of the application provides a preferred display screen presentation mode, and the display screen can also comprise display screens of mobile phones, computers, flat-panel devices and the like.

A third embodiment of the present application provides an oral image recognition apparatus 200 for acquiring an oral image; and carrying out oral health condition identification on the oral cavity by using a pre-trained oral condition identification model according to the oral cavity image. The oral cavity images are a group of oral cavity standard images obtained according to the set shooting parameters and the set lamplight standards, and the requirements of shooting the oral cavity images are different according to different oral cavity disease types, so that a plurality of groups of oral cavity images need to be shot, and each image is obtained according to the set shooting parameters and the set lamplight standards. Also taking plaque detection as an example, the required light is an ultraviolet light source, grin teeth are required to be exposed out of the outer surface of the teeth when the position of the tooth surface is shot, and the mouth is required to be opened to be exposed out of the inner surface of the teeth when the inner side of the teeth is shot.

The oral condition recognition model is obtained through training according to a pre-calibrated sample, and is a machine model which is designed by adopting a deep learning algorithm or other machine learning algorithms and is specially used for recognizing the oral condition according to an oral image, and through pre-training, the oral health condition can be recognized according to the oral image.

It should be noted that the oral condition recognition model is obtained by training according to a plurality of experimental samples calibrated in advance, and the specific training process is described in the foregoing description and is not repeated herein.

The oral health status recognition result output by the oral health status recognition model comprises at least one of the following disease types: common oral diseases include diseases of at least one part of the teeth, tongue, pharynx, etc., such as plaque, caries, wisdom teeth, etc.

The oral image recognition apparatus 200 includes: the positioning unit (not shown in the figure) is used for calibrating the tooth positions contained in the oral cavity standard image to obtain an oral cavity standard image after calibrating the tooth positions; providing the oral cavity standard image after the position calibration to an oral cavity condition identification model; in the recognition result of the oral condition recognition model, tooth position information corresponding to the recognition result is provided according to the tooth calibration position. Through the positioning unit, accurate positioning of the tooth morbidity position can be achieved. The positioning unit can be realized by comparing with an oral standard model and combining with the machine identification of the object outline in the image; or by training the machine learning model.

Taking the plaque detection as an example, the positioning unit marks the teeth in the standard oral cavity image, for example, from the middle of the teeth, the teeth on the left side of the lower row of teeth No. 1 (DL 1, i.e. down left 1), the teeth on the left side of the lower row of teeth No. 2 (DL 2, i.e. down left 2) … …, the teeth on the right side of the lower row of teeth No. 1 (UR 1, i.e. up right 1), and the teeth on the right side of the upper row of teeth No. 2 (UR 2, i.e. up right 2) … …, so that each tooth in the standard oral cavity image has a corresponding mark. And providing the calibrated oral cavity standard image for an oral cavity condition recognition model, wherein the dental position DL1 with dental plaque is correspondingly displayed in the recognition result of the oral cavity condition recognition model. The user can more accurately determine the disease position of dental plaque through the positioning unit, and the disease grade is known more vividly.

The fourth embodiment of the application provides an oral health identifier, which adopts the oral health identifying system.

While the preferred embodiment has been described, it is not intended to limit the utility model thereto, and any person skilled in the art may make variations and modifications without departing from the spirit and scope of the present utility model, so that the scope of the present utility model shall be defined by the claims of the present application.

In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.

1. Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer readable media, as defined herein, does not include non-transitory computer readable media (transmission media), such as modulated data signals and carrier waves.

2. It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

Claims (9)

1. An oral cavity image acquisition device is characterized by comprising a mask matched with an oral cavity, wherein at least one camera and at least one lighting lamp are arranged in the mask; the camera is used for acquiring an oral cavity image; the lighting lamp is used for providing a proper light source for the camera;

the oral cavity image acquisition device further comprises a communication unit, wherein the communication unit is used for transmitting the oral cavity image;

the oral cavity image acquisition device is provided with a positioning notch or/and a positioning protrusion, and the positioning notch or/and the positioning protrusion are used for being matched with the characteristic position of an oral cavity to determine the standard position when the camera shoots the standard image of the oral cavity.

2. The oral image acquisition device of claim 1, wherein the oral image acquisition device comprises a trigger button for initiating an image acquisition process.

3. The oral image capturing device of claim 1, wherein the light emitting lamp comprises any one or more of: lighting lamp, flash lamp, violet lamp, fluorescent lamp and infrared lamp.

4. The oral image acquisition device according to claim 1, wherein the mask has an adjusting device adapted to the size of the oral cavity, the adjusting device adjusting the mask by pressing and/or sliding to fit the size of the oral cavity.

5. The oral image capturing device according to claim 1, further comprising a control unit for controlling the camera and the lighting lamp to operate according to a preset sequence, and sequentially capturing images of a predetermined standard angle and a predetermined standard light in an oral cavity to form the oral standard image; and transmitting the oral standard image according to a preset program.

6. The oral image acquisition device of claim 1, further comprising: the display screen is used for displaying oral cavity images entering the visual field of the camera, the display screen is a touch screen, and a touch interface for controlling the camera and the lighting lamp is provided through the touch screen.

7. The oral image acquisition device of claim 1, further comprising: the handle for holding, handle internally mounted has rechargeable battery, still be provided with the data line interface on the handle, the data line interface is used for charging or transmission oral cavity image.

8. The oral image capturing device according to claim 1, wherein an optical filter is provided inside the mask, the optical filter being for preventing ultraviolet rays from damaging human eyes of a person.

9. The oral image capturing device of claim 7, further comprising a base connected to a bottom end of the handle, the base for positioning the oral image capturing device;

the oral cavity image acquisition device further comprises a 3-time observation mirror, wherein the 3-time observation mirror is detachably arranged below the base, is sunken in the base and is embedded in a matched mode with the base.