The utility model relates to the technical field of dental
medical treatment, and discloses an oral periodontal irrigator which comprises a cylinder, a
water storage cylinder is fixedly connected in the cylinder, a heating block is fixedly connected to the inner wall of the
water storage cylinder, a water suction pump is fixedly connected to the top of the
water storage cylinder, and the input end of the water suction pump is connected with a water inlet
pipe in a penetrating mode. One end of the water inlet
pipe communicates with the interior of the water storage
barrel, the output end of the water suction pump is in through connection with a water outlet
pipe, and one end of the water outlet pipe is in through connection with a round pipe. According to the oral periodontal irrigator, through the arrangement of a threaded ring, a circular ring, a sealing sleeve and an
ultraviolet disinfection lamp, after a worker uses the irrigator, the circular ring and the threaded ring are connected by the worker, so that the sealing sleeve seals and protects a spray head, and meanwhile, the
ultraviolet disinfection lamp in the sealing sleeve disinfects the irrigator; therefore, the device is in a
sterile environment when being placed, so that the safety of periodontal flushing of a patient is ensured.