http://www.cactuscanyon.com/dog-teethcleaning.htm On our website, we have two choices for cleaning your dog's teeth. We offer a gel and a spray. We suggest the gel, if at all possible. When using the gel to clean your dog's teeth, it's important that you be able to get into the dog's mouth with either your fingers or a toothbrush. A toothbrush along with the gel is a highly effective method for cleaning your dog's teeth. The spray we suggest only be used for dogs that refuse access into their mouths. In these cases, the spray application will take longer to remove the plaque from the teeth. Using the gel along with a toothbrush is the most effective and the most rapid way to clean your dog's teeth. In either case, the gel or the spray is an effective tool for keeping your dog's teeth clean. Instead of going to the vet for expensive cleaning, which is often times dangerous for older dogs, the gel and sprays that we offer to clean your dog's teeth are highly effective for good d