A dental display system comprising: an articulatable dental arm (78) and a portable-electronic-device-support assembly (75) the articulatable dental arm (78) extending through an articulatable-dental-arm receiving aperture (86) of the portable- electronic-device-support assembly (76). An arm attached to a support attachment means (106) of the portable-electronic- device-support assembly (76) and a portable-electronic-device holder (10) and the portable-electronic-device holder (10) is attached to the arm. A portable electronic device (20) is engaged between the first and second device engagement elements (14, 16) of the portable-electronic-device holder (10).