Oral imaging device

An oral imaging device, comprising:

• an oral camera;
• and
• a mouth opener;
• wherein the oral camera comprises a main body and a camera module connected to the main body, and the camera module comprises at least one camera;
• wherein the mouth opener comprises a first end and a second end opposite to the first end, the mouth opener defines an imaging through hole penetrating through the mouth opener from the first end to the second end, and the second end of the mouth opener is configured to abut against an oral cavity structure of a user;
• wherein a position of the mouth opener is variable relative to the at least one camera to enable the oral imaging device to have at least a first form and a second form;
• wherein in the first form, the at least one camera faces the imaging through hole and does not exceed the second end of the mouth opener;
• wherein in the second form, the at least one camera is exposed outside the imaging through hole and is configured to insert into an oral cavity of the user.