Disclosed is a toothbrush for cleaning teeth of a pet animal. The toothbrush of the present invention is an appropriate device for cleaning a dog's teeth by providing adequate lighting via the same toothbrush during the cleaning process. The lighting provides a halo-illumination lighting effect such that a 360-degree light encircles the tooth during cleaning. The use of halo-illumination allows a user to see top, bottom, and both sides of the dog's mouth in a particular region, thus providing the user sufficient information as to whether they are effectively performing teeth cleaning of the dog.
