Abstract: A dental appliance case for receiving a dental appliance is provided. In some embodiments, the case may include a power source, a sound device, an occupancy sensor, and a processing unit. The sound device may be configured to create an audible alert sound. The occupancy sensor may be operable to detect the presence of a dental appliance. The processing unit may be in electrical communication with the power source, occupancy sensor, and the sound device. The processing unit may be operable to operate the sound device to create an audible alert in response to an electronic communication from the occupancy sensor.