An otoscanner including an otoscanner body, the body comprising a hand grip, the body having mounted upon it an ear probe, a tracking illumination emitter, a plurality of tracking illumination sensors, and a display screen, the otoscanner body having mounted within it an image sensor; the image sensor coupled for data communications to a data processor, with the data processor configured to function by inferring, from a tracked position of the ear probe, previously recorded statistics describing typical ear sizes according to human demographics, and currently recorded demographic information regarding a person whose ear is scanned, the actual present position of the ear probe in relation to at least one part of the scanned ear; and providing a warning when the probe moves within a predefined distance from the part of the scanned ear.