1. Personalized plan: Customize personalized oral health plan for users according to their oral and dental health status.

2. Dental care knowledge: provide users with oral professional knowledge such as prevention, treatment and health care of oral ulcer diseases, and provide some tips for brushing teeth or daily oral maintenance and cleaning.

3. Appointment registration: provide users with the service of making an appointment with experts in stomatological hospitals to help users avoid the trouble of queuing up for registration in hospitals. And generate an electronic file, which is convenient for users to inquire at any time and record previous visits.

4. Online consultation: One-to-one service on the dental APP platform allows any oral problems to be answered and communicated with doctors online in real time.

5. Community interaction: provide an online community for users to communicate with each other, and users can share their experiences and problems at any time.

Mobile phone software (application) refers to the software installed on the smart phone, which needs the corresponding mobile phone system to run. Its main function is to improve the shortcomings and personalization of the original system, make the functions of the mobile phone more perfect, and provide users with a richer experience. The author of the software signed his name when he released the software. This kind of software can be installed and run on your mobile phone (you may encounter a security warning and you can skip it). But those "specially restricted" functions cannot be realized. If a software doesn't involve this function at all, it is entirely possible for the software author to sign it himself. Another possibility is that although some functions of the software are within the scope of "special restrictions", they are not the main functions. The software author may also release an "author's signature version", which can normally use most functions, but will lose some specific functions. For example, there is such a version of the "incoming call" software that almost all functions can be used, but it can't be started automatically.