Electric heating temperature-adjusting anti-fog mouth mirror with replaceable plane lens applied to oral clinic

The utility model discloses an electric heating temperature-adjusting anti-fog mouth mirror with a replaceable plane lens applied to oral clinic, and relates to the technical field of medical instruments, the key points of the technical scheme are that the mouth mirror comprises a lens, a support rod and a handle, and the lens is fixedly connected with the end part of the support rod; a sliding groove where the supporting rod can be inserted is formed in the end, close to the supporting rod, of the handle, a spring is fixedly arranged on the side wall of the sliding groove, a sliding block is fixedly arranged at the end of the spring, and a heating resistance wire is embedded in the sliding block. The sliding block is in sliding connection with the sliding groove; the sliding block is in contact with the end, inserted into the sliding groove, of the supporting rod. The antifogging odontoscope heats the lens of the lens to prevent vapor in the oral cavity of a patient from condensing into fog on the odontoscop