Abstract: The present invention provides a smart tooth cleaning device comprises a hand piece having a bearing surface, a tooth cleaning piece, a driving module connected to the tooth cleaning piece for driving the tooth cleaning piece to move, a first camera module comprising a first optical lens and a first image capturing element, and a first light source module comprising a plurality of light-emitting elements. The tooth cleaning piece has a tooth cleaning body, a brush head, and a plurality of bristles. The first camera module is disposed on the bearing surface and is electrically connected to the control module. The first image capturing element receives light along an optical axis of the first optical lens. A first angle ?1 between the optical axis and a first direction, is in a range of 5°to 30°. The first light source module is disposed on the bearing surface.

Abstract: An intelligent tooth health-care system and an intelligent tooth cleaning device thereof. The intelligent tooth cleaning device includes a plurality of sensors capable of detecting conditions of mouth and teeth of a user. The user may obtain data relating to his/her health when he/she cleans the teeth. The sensors also detect the movement of the intelligent tooth cleaning device. The data of movement are transmitted to a mobile device and input to a computer tooth-cleaning game executed in the mobile device, whereby the user is guided by the computer tooth-cleaning game to clean his/her teeth. The data obtained by the sensors can also be transmitted to a server in the cloud for health analysis.