Intraoral scanner and method of controlling same

A method of controlling an intraoral scanner, the method comprising:

• upon completion of lighting a first projection device, triggering a second projection device to initiate lighting;
• upon initiation of lighting the first projection device, transmitting a first camera trigger signal;
• a first delay circuit delaying the first camera trigger signal until completion of lighting the second projection device;
• upon receiving the first camera trigger signal, a first camera and a second camera starting capturing images;
• upon completion of the first camera and the second camera capturing the images, turning off the first projection device, the second projection device, the first camera and the second camera;
• when the first projection device is turned off, triggering a third projection device to initiate lighting;
• upon completion of lighting the third projection device, triggering a fourth projection device to initiate lighting;
• when the third projection device initiates lighting, transmitting a second camera trigger signal;
• a second delay circuit delaying the second camera trigger signal until completion of lighting the fourth projection device;
• and
• when a third camera and a fourth camera receive the second camera trigger signal, the third camera and the fourth camera starting capturing images.