Fig. 5

Smart dental brace system. a Average minimalist radius of curvature can be obtained in dental arch is 10 mm. b Flexible battery module bonded to aluminum interconnects on PET substrate and its integration with chip-scale LEDs. The device is embedded in a 3D printed brace with battery and LED module repeated per each teeth. c Smart dental brace components: near-infrared LEDs integrated with flexible batteries and interconnected on a soft PET substrate. The whole device is embedded in semi-transparent 3D printed brace, d Flexible battery powering near-infrared two LEDs connected in series. e Image of the smart dental brace device on artificial teeth. f Top view of smart dental brace from the outside (left) and inside (right) with packaged red light therapy module