The present invention relates to a scanner for oral cavity and, more specifically, to a scanner for oral cavity having a liquid lens for automatically adjusting focus, thereby effectively obtaining three-dimensional information of a structure within the oral cavity. The present invention includes: a scanner main body configured to insert at least one section of one side within the oral cavity the liquid lens which varies the focus of light reflected from the structure within the oral cavity an image sensor which obtains three-dimensional information of the structure within the oral cavity and a lens angle adjusting module which adjusts the angle of the liquid lens.COPYRIGHT KIPO 2016본 발명은 구강 스캐너에 관한 것으로, 보다 구체적으로는 개별적으로 자동 초점 조절이 가능한 액체 렌즈를 구비하여 구강 내 구조물의 3차원 정보를 효과적으로 획득할 수 있는 구강 스캐너에 관한 것이다.
