As a veterinarian, I often hear owners say, “My pet’s breath is terrible, but that’s okay, right?” Unfortunately, it’s often the first sign of serious underlying dental disease a condition that affects over 80% of dogs and 70% of cats by the age of three. Pet owners are unaware of the importance of pet dental care because they have no idea that poor oral health can lead to severe systemic disease, such as heart, liver, and kidney disease.
In this article, we will talk about why pet dental care importance should not be underestimated, the risks of neglecting it, and how you can keep your pet’s teeth healthy for many years to come.
The Hidden Dangers of Not Keeping Your Pet’s Teeth Clean
1. Dental Disease Is More Than Bad Breath
Halitosis is what most pet owners make of their pet’s bad breath, but halitosis is generally the first warning sign of dental disease. What starts as a faint odor can quickly escalate into serious health issues if left untreated.
Periodontal Disease – A Stealthy Destroyer
- If gingivitis is not treated, infection spreads below the gum line, infecting the ligaments and bone that hold teeth in the mouth.
- Periodontal disease is the most common adult dog and cat clinical condition, and it affects over 80% of pets by three years of age.
- As it progresses, it causes tooth root infections, abscesses, and bone loss, with loose or missing teeth as a result.
Tooth Loss – The Painful Consequence
- Advanced dental decay weakens the tooth structure, and chewing is painful.
- Pets may drop food, chew on one side, or avoid hard kibble altogether.
- Missing teeth don’t just affect eating they can also alter jaw alignment and cause other dental issues.
2. Bacteria from Dental Disease Can Spread to Vital Organs
The dangers of poor pet dental health don’t stop at the mouth. Bad bacteria from infected teeth and gums get into the bloodstream, traveling to major organs and causing systemic damage.
Heart Disease – A Fatal Connection
- Endocarditis (heart valve infection) is one recognized risk for animals with severe dental disease.
- Bacteria from the mouth colonize on heart valves, leading to life-threatening infection and potential heart failure.
- Studies provide evidence that dogs with periodontal disease are six times more likely to develop heart disease.
Liver and Kidney Damage – The Filtering Organs in Danger
- The liver and kidneys try to filter the bacteria from the blood, but prolonged exposure overloads these organs.
- This can eventually lead to chronic inflammation, infection, and even organ failure over time.
- Pets that have already been diagnosed with kidney or liver disease are especially vulnerable.
Weakened Immune System – A Vicious Cycle
- Chronic infection in the mouth wears down the immune system, making pets more susceptible to other infections.
- Older pets or those with chronic illnesses (like diabetes) are more likely to develop complications.
3. Pain Goes Unnoticed-Pets Hide Discomfort
Unlike humans, who do complain about toothaches, pets naturally hide pain a survival trait they inherited from their wild ancestors. So dental disease is often not obvious until it’s severe.
Subtle Signs Your Pet May Be Suffering
- Dropping food while eating (due to pain from chewing)
- Pawing at the mouth or rubbing the face against furniture
- Loss of appetite or weight loss (refusing to eat hard food because of pain)
- Excessive drooling (perhaps blood-tinged)
- Behavioral changes (irritability, not wanting to play, or not wanting to be handled around the mouth)
The Significance of Early Detection
- By the time a pet has visible symptoms, the disease is generally advanced.
- Regular veterinary check-ups and dental check-ups identify problems early, preventing unnecessary discomfort.
Key Points to Remember
✔ Bad breath is a warning sign don’t disregard it.
✔ Periodontal disease is prevalent and can lead to tooth loss.
✔ Bacteria in the mouth can damage the heart, liver, and kidneys.
✔ Pets hide pain, so active dental care is essential.
Next Steps:
- If your pet has never had a dental check-up, schedule one soon.
- Get into the habit of brushing your pet’s teeth daily (even if it is only a couple of times a week).
- Discuss dental diets, chews, and water additives with your vet for further protection.
How to Keep Your Pet’s Teeth Healthy
1. Daily Tooth Brushing (The Gold Standard)
- Utilize a pet-safe toothbrush and enzymatic toothpaste (never human toothpaste—it is toxic).
- Start slowly so that your pet can get used to the sensation.
- Brush at least 3-4 times weekly (ideally daily).
2. Dental Chews & Treats
Find products that possess the Veterinary Oral Health Council (VOHC) seal of approval, including:
- Dental sticks (e.g., Greenies, OraVet)
- Alternatives to rawhide (if digestible and the correct size)
- Water additives that combat plaque
3. Regular Professional Cleanings
Despite home care, annual veterinary dental cleanings under anesthetic are important because:
- They eliminate tartar below the gumline (not possible with brushing alone).
- Vets can identify early stages of disease (e.g., broken teeth, oral tumors).
4. Dental Diets for Long-Term Care
Some prescription kibbles (like Hill’s t/d or Royal Canin Dental) are designed to:
- Scrape away plaque mechanically
- Contain anti-tartar ingredients

Common Myths About Pet Dental Care
❌ Myth: “Dry food cleans teeth automatically.”
✅ Fact: While some kibble helps, most pets still need brushing.
❌ Myth: “Anesthesia-free cleanings are just as good.”
✅ Fact: Only anesthesia allows for complete cleaning (beneath gums) and full oral inspection.
❌ Myth: “Puppies and kittens don’t need dental care.”
✅ Fact: Early habits prevent future disease—start young!
Conclusion: Don’t Wait Until It’s Too Late
The value of dental care for pets cannot be overstated what starts as bad breath can develop into life-threatening disease. By taking daily brushing, vet-recommended dental products, and professional cleanings, you can add years to your pet’s life while keeping them pain-free.
Your pet’s smile is worth saving. Let’s keep those teeth healthy together!

Jalea Stevens, a veterinary student with a heart for animal health, education, and community. As I work toward earning my DVM, I’m especially passionate about making veterinary knowledge more accessible to pet owners and animal enthusiasts. Throughout my journey, I discovered one of my many missions is to bridge the gap between clinical knowledge and everyday pet care empowering others to make informed decisions for the animals they love.