Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get professional teeth cleaning for your dog [title] Make an appointment with your vet. [step] In order to get your dog's teeth professionally cleaned, you will need to make an appointment with your vet. Call your vet's office and ask to schedule an appointment for a professional cleaning of your dog's teeth.

Ending1: They will determine if you want to do this at home or if they will make a trip to the vet. [substeps] It's best to schedule an appointment with your vet, rather than trying to do this at your own home. Ending2: [title] Don't give your pet food for at least eight hours before the appointment. [step] Since your dog will be undergoing anesthesia, you should not feed your dog for at least eight hours before visiting the vet. Ending3: [substeps] You can also look in your local newspaper or check your local classified ads for local shops that sell professional dental cleaning services. [title] Decide if you want to see a dental professional. Ending4: If possible, ask the vet for a recommendation as to which brand of mouth cleanser will best target your dog's needs. [substeps] Consult with your vet before a appointment so that they can refer you to someone who has experience treating canine tooth problems.

Answer format: ending1/ending2/ending3/ending4