Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat your cat's dental problems [title] Give your cat oral hygiene products. [step] These help decrease the amount of bacteria in the mouth and are useful as part of a dental care regime, especially for cats prone to gum infections or bad breath. An example of such a product is hexarinse.

Ending1: [substeps] Hexarinse is available at pet stores and provides the following benefits: it can control the sensitivity of the mucous membranes around the mouth and mouth. It is a good choice because it does not irritate the mouth once the disease actually started. Ending2: If your cat has braces, ssris, or worse, take your cat to the vet for detailed instructions. [substeps] Follow the dosage instructions provided in the product and never deviate from these instructions without a vet's approval. Ending3: These toothpastes coat the teeth, which removes plaque and solution and stimulates saliva production. Using these products will help your cat get the chemical in her mouth. Ending4: To use, dip a clean cotton tip into the liquid and wipe the dampened bud over the surface of your cat's tooth enamel and along their gum line. [substeps] The active ingredient in hexarinse is chlorhexidine, a mild anti-septic.

Answer format: ending1/ending2/ending3/ending4