Technique for Orthodontic Clinical Photographs Using a Smartphone

Table 1

Summary of the technical differences between a DSLR and a smartphone in taking orthodontic photographs.

	DSLR	Smartphone
Picture format	JPEG/RAW	JPEG/RAW
Lens focal length	100 mm focal length lens with macrocapabilities	Depends on the smartphone manufacturer (select the longest focal length lens)
Additional lighting	A macro ring or twin flash attached to the camera hot shoe	External continuous LED light
Aperture	Extraoral: F8; Intraoral: F22	Depends on the smartphone manufacturer (select the highest aperture number possible)
ISO	100	100 or lowest possible
Shutter speed	1/100 per second	1/100 per second
White balance	Neutral	Auto
Autofocus settings	Manual focus	Autofocus