Are Antlers, Bones, and Bully Sticks Safe for Dogs?

Quick answer

Discover why popular hard chews like antlers, animal bones, and dense bully stic

While antlers, real bones, and hard chews are popular for keeping dogs busy, they are a leading cause of painful tooth fractures. If a chew is too hard to dent with your thumbnail, it is hard enough to break your dog’s teeth, particularly the large chewing teeth at the back of the mouth. Safer alternatives include flexible rubber toys, dental chews approved by veterinary dental experts, and supervised play.

Why it matters

Dogs have incredibly powerful jaws, but their teeth are not indestructible. The most common dental injury vets see from hard chews is a "slab fracture" of the maxillary fourth premolar—the large, three-rooted carnassial tooth located at the upper back of your dog's mouth.

When a dog bites down on an unyielding object like an elk antler or a marrow bone, their upper and lower teeth act like scissors. Because these hard materials do not give or bend, the immense force of the jaw muscle is transferred directly back into the tooth structure. This pressure causes a sheet of enamel and dentin to flake off the side of the tooth, often exposing the sensitive living pulp inside.

A slab fracture on the upper carnassial tooth often exposes the sensitive inner pulp, leading to pain and infection.

:::key-facts

• Slab Fractures: The most common tooth injury caused by hard chews, often exposing the nerve.
• The Carnassial Tooth: The large upper back tooth that bears the brunt of heavy chewing forces.
• Pulp Exposure: When the inner nerve of the tooth is exposed, causing intense pain and a direct pathway for bacteria.
• Root Abscesses: Untreated broken teeth quickly lead to painful infections under the gums.
• Hidden Pain: Dogs are evolutionary experts at hiding dental pain and will continue to eat even with a broken tooth.
  :::

When the pulp cavity is exposed, it is excruciatingly painful. The pulp contains the tooth's blood supply and nerves. Once exposed to the bacteria in the mouth, the pulp quickly dies, and the infection travels down the root canal into the jawbone, forming a painful tooth root abscess. This can lead to facial swelling, systemic infections, and the need for expensive root canals or surgical extractions.

While bully sticks are softer than antlers and bones, they still carry risks. Extremely dense, dehydrated bully sticks can still chip teeth in aggressive chewers, and they present a significant choking or gastrointestinal blockage hazard if your dog swallows the last few inches whole.

:::ask-boo
How much does it typically cost to treat a fractured dog tooth at the vet?
:::

What good looks like

Healthy chewing is an essential canine behavior. It relieves stress, keeps their minds active, and can help scrape away soft plaque before it hardens into tartar. However, "good" chewing should never come at the expense of your dog's dental integrity.

:::video{src="https://storage.googleapis.com/decennium-global.appspot.com/knowledge_assets/care_guides/why-free-antlers-bully-sticks-and-bones-can-crack-your-pet-s-teeth/inline-2-1779995054861.mp4" poster="https://storage.googleapis.com/decennium-global.appspot.com/knowledge_assets/care_guides/why-free-antlers-bully-sticks-and-bones-can-crack-your-pet-s-teeth/inline-2-still-1779994958947.png" alt="Dog chewing safely on a flexible rubber toy"}
Safe chewing involves materials that yield slightly under pressure, protecting the teeth while satisfying the urge to chew.
:::

A safe chew is one that yields to your dog's teeth. It should have enough "give" that the tooth can sink into the material slightly, which actually helps clean the tooth surface without causing a structural collision.

Look for products that carry the Veterinary Oral Health Council (VOHC) seal of acceptance. This seal guarantees that the product has been scientifically tested and proven to safely reduce plaque and tartar buildup without harming your dog's mouth. Flexible rubber toys, digestible dental grids, and toys that can be stuffed with soft food and frozen are excellent, low-risk options for heavy chewers.

:::pro-tip
To keep your dog occupied safely for hours, stuff a hollow rubber toy with wet dog food, unsweetened applesauce, or plain Greek yogurt, and freeze it. The licking action is highly soothing and completely safe for their teeth.
:::

Step-by-step

Before you hand your dog a new chew toy or treat, use this simple step-by-step evaluation process to ensure it won't land you with an emergency veterinary dental bill.

Step 1: The Thumbnail Test

Press your thumbnail firmly into the surface of the chew. If the chew is so hard that it doesn't leave a slight indentation or give at all under your pressure, it is too hard for your dog's teeth. This rules out antlers, hooves, yak cheese chews, nylon toys, and real bones.

The Thumbnail Test: If your nail can't leave a mark, the chew is too hard for your dog's teeth.

Step 2: The Flex Test

Try to bend the chew with your hands. If it is a long chew (like a bully stick or a dental stick), it should have some flexibility. If it is completely rigid and impossible to bend, use extreme caution, especially with aggressive chewers.

Step 3: The Kneecap Rule

Ask yourself: "If I were to hit myself on the kneecap with this object, would it hurt?" If the answer is yes, it is too hard for your dog's teeth. Your dog's teeth are strong, but they are not designed to crush rocks, metal, or dense bone.

Step 4: Size and Shape Selection

Choose a chew that is appropriate for your dog's size. A chew that is too small can be swallowed whole, leading to a life-threatening choking hazard or intestinal blockage. A chew that is too large can force your dog's jaw to open too wide, causing joint strain.

Step 5: Supervise the Session

Never leave your dog unattended with any chew. Watch how they interact with it. Are they gently gnawing, or are they trying to actively crush and break the object? If they are trying to break it, take it away and replace it with a softer alternative.

:::ask-boo
What are some VOHC-approved dental chews that are safe for aggressive chewers?
:::

Signs something's wrong

Dogs are incredibly stoic. In the wild, showing pain or weakness makes an animal a target, so our domestic dogs have retained the instinct to hide physical discomfort. Many owners are shocked to find out their dog has a broken tooth because the dog is still eating normally.

Regularly checking your dog's mouth helps you spot chips, cracks, or gum redness early.

Keep a close eye out for these subtle signs of dental pain and tooth fractures:

• Chewing on one side of the mouth: You may notice your dog tilting their head or carefully shifting food to only one side.
• Dropping food: Dropping kibble while eating or dropping toys they normally love to fetch.
• Blood on toys: Finding pink saliva or blood spots on chew toys, tennis balls, or their bedding.
• Shying away from touch: Your dog may pull away or flinch when you try to pet their face, muzzle, or head.
• Excessive drooling: Sudden drooling, especially if it is thicker than usual or has a foul odor.
• Bad breath: A sudden, strong, unpleasant odor coming from the mouth, which indicates bacterial infection and decaying tissue.
• Swelling under the eye: A tooth root abscess of the upper carnassial tooth often manifests as a swelling or draining wound directly beneath the dog's eye on the cheek.

:::warning
If you notice a sudden swelling under your dog's eye, or if your dog is pawing frantically at their mouth and refusing to eat, they may have a severe tooth root abscess. Seek veterinary care immediately to relieve their pain and treat the infection.
:::

When to call your vet

You should inspect your dog's mouth weekly. Lift their lips and look closely at the large teeth in the back. If you notice any of the following, schedule an appointment with your veterinarian:

• A visible color change: A tooth that looks grey, purple, pink, or brown is dead or dying and requires professional attention.
• A chipped or broken tooth: Even if your dog seems fine, a chipped tooth can have micro-fractures that allow bacteria to enter the pulp.
• A visible red, pink, or black dot on the tooth: This is the exposed pulp cavity. It is highly painful and will inevitably become infected if left untreated.
• Red, swollen, or bleeding gums: This is a sign of periodontal disease or localized trauma from a sharp chew.

Your vet will likely recommend dental X-rays under anesthesia to assess the health of the tooth root below the gumline. If the pulp is exposed, the tooth must either be extracted or treated with a root canal by a veterinary dentist.

:::ask-boo
Can a dog's cracked tooth heal on its own, or does it always need a vet?
:::

Common mistakes

Avoid these frequent pitfalls to keep your dog's mouth healthy and pain-free:

• The "Wild Ancestor" Fallacy: Believing that because wolves eat bones in the wild, it must be safe for domestic dogs. In reality, wild wolves frequently suffer from fractured teeth, dental infections, and fatal jaw abscesses due to eating bones.
• Giving Cooked Bones: Cooked bones are highly dangerous. Cooking changes the cellular structure of the bone, making it brittle and prone to splintering into sharp shards that can pierce the stomach or intestines.
• Assuming "No Pain" Means "No Problem": Assuming your dog isn't in pain because they are still eating. Dogs will eat through excruciating pain because their survival instinct drives them to consume food.
• Leaving Bully Sticks Unsupervised: Allowing your dog to chew bully sticks down to a small stub. Once the stick is small enough to fit entirely inside the mouth, it becomes a major choking hazard.
• Using Hard Plastic or Nylon Toys: Believing that because a toy is marketed for dogs, it must be safe. Many heavy-duty nylon toys are completely rigid and cause just as many slab fractures as antlers.

Quick FAQs

Are raw bones safer than cooked bones?
While raw bones are less likely to splinter than cooked bones, they are still incredibly hard and frequently cause slab fractures of the carnassial teeth. Additionally, raw bones carry a high risk of bacterial contamination (such as Salmonella or E. coli) for both your dog and your household.

Can I give my dog antlers if they are split?
Split antlers expose the softer inner marrow, which some dogs enjoy scraping at. However, the outer shell of the antler remains incredibly hard. Aggressive chewers will still bite down on the hard outer edge, posing a high risk of tooth fracture. It is best to avoid them entirely.

What should I do if my dog swallows a piece of a bone or bully stick?
If your dog swallows a large piece of a bone or bully stick, monitor them closely for signs of distress, vomiting, lethargy, abdominal pain, or straining to defecate. Contact your veterinarian immediately for advice, as large pieces can cause life-threatening obstructions.

How can I safely satisfy my dog's urge to chew?
Opt for durable, flexible rubber toys, dental chews with the VOHC seal of approval, or interactive puzzle toys. These options provide mental stimulation and dental cleaning benefits without the risk of breaking teeth.