Hill's Science Diet Adult Oral Care Dry Dog Food

By Hill's Science Diet
Rated 4.0778 out of 5 stars


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About This Item


  • Interlocking fiber technology helps to clean teeth and freshen breath as your dog chews.
  • Helps reduce plaque and tartar buildup to support whole-body health.
  • Antioxidant and vitamin E and C blend work together to help support a healthy immune system.
  • Made from natural, high-quality ingredients without any artificial colors, flavors or preservatives.
  • Made in the USA, this is a complete and balanced diet recommended for adult dogs who require fewer calories.

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Nutritional Information

Feeding Instructions

Play Video: Learn More About Hill's Science Diet From Our Team of Experts
Learn More About Hill's Science Diet From Our Team of Experts

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About Hill's Science Diet Adult Oral Care

Hill's Science Diet Adult Oral Care

Hill's Science Diet Adult Oral Care Dry Dog Food provides your pup with precise nutrition for better oral health and a healthy lifestyle. This nourishing recipe is made with wholesome ingredients such as savory chicken, rice and barley. It is balanced to meet your dog's needs and reduce plaque and tartar build-up, as well as freshen his breath. Manufactured in the United States, every ingredient meets strict requirements for purity and nutrient content which exceed industry standards. Formulated for adult dogs, Hill's Science Diet Adult Oral Care Dry Dog Food provides your pooch with the nutrition he needs for a lifetime of health and happiness.

Tailored for Small Dogs

The right combination of protein, fats, and carbs gives your small dog the energy he needs to thrive.


Made with the special Hill’s antioxidant blend for lifelong immune support.


Whether your dog prefers crunchy kibble or savory stews, these recipes have textures and flavors that deliver.

Science-Led Nutrition

An expert team of veterinarians, nutritionists, and food scientists create the right nutrition to support pets.

Leading Nutrition

Hill’s is a leader in cutting-edge food science and research, so they can bring you the best for your pet.

Made in the USA

The ingredients Hill’s uses are selected for their nutrients, quality, and taste, then precisely blended for optimal health benefits.

Helping Shelter Pets

Every time you feed your pet Hill’s, you help feed a shelter pet—which helps makes them healthy, happy, and more adoptable. Hill’s is proud to have helped over 13 million shelter pets find a new home through their shelter feeding initiatives.


The healthiest pet food won't do much if pets refuse to eat it. From a rich aroma to various textures, every Hill's recipe is taste-tested by the pets at the Pet Nutrition Center to make sure mealtime is irresistible. Using natural ingredients and cutting-edge science, Hill's understands what it takes to feed your pet's best life. *Dry foods only


*Dry foods only



Quality Ingredients and the Highest Standards

Hill's conducts annual quality systems audits for all manufacturing facilities to ensure they meet the high standards your pet deserves. Hill's also conducts daily safety checks on every pet food product to help ensure the safety of your pet's food.

About Hill's Pet Nutrition

For more than 70 years, Hill's Pet Nutrition has helped enrich and lengthen the special relationship between people and their pets by putting their passion for the health and happiness of animals into everything they do. They even partner with shelters to provide Hill's food to more than 9 million shelter pets.
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Top IngredientsChicken, Whole Grain Wheat, Powdered Cellulose...Chicken Meal, Cracked Pearled Barley, Pea Fiber...Chicken Meal, Cracked Pearled Barley, Pea Fiber...Lamb Meal, Brown Rice, Brewers Rice...Lamb Meal, Brown Rice, Brewers Rice...
Health FeatureBrain Health, Dental & Breath Care, Immune Support...Brain Health, Immune Support, Vitamins & Minerals, Weight ManagementBrain Health, Immune Support, Vitamins & Minerals, Weight ManagementDigestive Health, Vitamins & MineralsDigestive Health, Vitamins & Minerals
Special DietWith GrainWeight Control, With GrainWeight Control, With GrainNatural, With GrainWith Grain
Breed SizeSmall Breeds, Medium Breeds, Large Breeds, All BreedsSmall Breeds, Medium Breeds, Large Breeds, All BreedsExtra Small Breeds, Small BreedsSmall Breeds, Medium Breeds, Large Breeds, All BreedsExtra Small Breeds, Small Breeds
Food FlavorPoultry, ChickenPoultry, ChickenPoultry, ChickenMeat, LambMeat, Lamb
Food FormDry FoodDry FoodDry FoodDry FoodDry Food

Questions & Answers

12 Customer Questions

Can you add water to this food to soften it up?
Answer by ChewyAug 12, 2019
It is not recommended to moisten this food as it features a unique Oral Care kibble with an innovative texture designed to work like a toothbrush as your pet chews.

Is this food accepted by VOHC?
Answer by ChewyJan 15, 2020
This formula of food has been accepted by the VOHC as a dental diet for dogs.

How big is the kibble?
Answer by ChewyApr 08, 2023
This food has a kibble size of 19.5 x 22 x 16.5 millimeters.

After opening and put in a container how long will it stay good?
Answer by ChewyNov 25, 2019
The expiration date will vary from batch to batch as they are constantly being made. As long as the food is being held in an airtight container the food will be good until the printed expiration date.

ReviewsWrite a Review

Rated 4.0778 out of 5 stars
514 Ratings
Would recommend to a friend

506 Customer Reviews

Rated 4 out of 5 stars
By Deborah on Oct 9, 2023

Great, but not for med-lg dogs who eat w/o chewing

My dog absolutely loved this food, but she still swallowed it as she does with her regular food. She is a 45 lb blue heeler. I could not give it five stars for this reason, but as for flavor, she is extremely excited to get it as a treat. I will not buy the larger prescription dental food because I know she will probably crunch it one time and swallow the pieces whole and it's too expensive for that. Some dogs just don't chew their food.

Rated 5 out of 5 stars
By NanS on Sep 26, 2023

It is a hit!

My 3 year old Miniature Schnauzer eats Hill’s Prescription canned I/D and W/D and gets pieces of I/D kibble throughout the day for snacks. I also buy the Hill’s Metabolic Treats, but according to his weight, he is only allowed one of them a day. My veterinarian is very strict about weight and fortunately my pup is in the ideal range. He always acts like he is starving but he can’t be or it would show. I read reviews on the Hill’s Oral Care Kibble that these pieces of kibble are much too large and much too hard. I decided to try them to add to his snack time foods because that seemed to be perfect for him and sure enough he loves them because they are large, hard, and crunchy. I recently bought a bag of Hills small dog kibble (Chicken and Barley) and although he likes that too (he like’s everything) they are very tiny pieces so it doesn’t give him the same pleasure as the I/D kibble or the Metabolic biscuit treat. That’s why I decided to try the Oral Care kibble. BTW, I originally began giving him the prescription I/D and W/D because he had a lot of episodes of loose bowels and sometimes liquid diarrhea. The veterinarian would put him on Metronidazole or Tylan Powder and it would clear up for a while. I decided to keep him on his prescription foods because he is doing well now and my veterinarian has assured me they are completely balanced nutritionally for all life stages and he loves it. I do think canned food is better for him, as it is easier to digest, keeps him well hydrated, and almost all dogs love canned food. Feeding him some non prescription foods is not bothering his stomach at all and he does not require the prescription diets any more. But I can afford it, he loves it, and he is doing so well on it I see no reason to change anything. Miniature Schnauzers are prone to pancreatitis, bladder stones, periodontal disease, and diabetes. So, I am trying to prevent all of these medical issues by keeping him on a very low fat diet and keeping him well hydrated. I don’t know why, but he never, ever drinks water. Even on the hottest day is after a walk. However, my veterinarian tells me not to worry because he appears well hydrated. Thank you Chewy for getting my auto shipped foods to me on time. Adding a picture just to show his cuteness.

Rated 5 out of 5 stars
By Sonja on Oct 27, 2023

There was big build up on my dogs teeth. I’ve tried EVERYTHING and nothing keeps my dogs teeth clean like this dog food. So worth it! Even little dogs can eat it, takes some work but that is the point. I feed half and though because I do a little wet.

Rated 3 out of 5 stars
By Judy on Nov 3, 2023

Dogs enjoy it.

I only buy Hill Science oral care dry food because my dogs eat it without hesitation. Unfortunately it does contain unhealthy ingredients. Like lots of corn and wheat. I use to give it to my former dogs as a treat only.

Rated 5 out of 5 stars
By Fayette on Oct 16, 2023

Highly recommend

We have been giving 3 a day to our dachshund since she was 25 months old. She is now 10 and we took her to have her teeth cleaned. They warned us that he breed has problems and don't be shocked if she will have to have some removed. Her teeth were perfect. Highly recommend.

Rated 5 out of 5 stars
By Philip on Oct 18, 2023

Tater Tot size kibble for the larger dog

This tater tot size kibble gives my Golden something to crunch on. They are dust free, have an oily texture an smell good. My Dogs coat was dry an dull on the old kibble. It now has a sheen and feels softer. Me and and the Dog like this product.

Rated 5 out of 5 stars
By Shari on Nov 8, 2023

Science Diet Oral Care Dog Food

My vet recommended this to try and keep my dogs teeth cleaner (his teeth tend to build up plaque). He likes it, and my sister uses the dog food as a treat for her dog!

Rated 2 out of 5 stars
By Ashley on Oct 12, 2023

Too big

I bought this for my chihuahuas and the size of the kibble are way too big! I guess I’ll keep it and use one piece as a treat? I went back to read reviews and it sounds like most people have to smash them down.

Rated 1 out of 5 stars
By AnnMarie on Oct 12, 2023

Way to Big

This bag shows a dachshund on the bag so I order it. These pieces are huge!! My tiny dachshund will choke on these!!! Shame on you Hills for the misrepresentation of the food. Will not buy again.

Rated 5 out of 5 stars
By John on Nov 20, 2023

An Alternative to Hill's Prescription t/d

This is considerably less expensive than Hill's Prescription t'd. Results are comparable and my dog likes the taste.