How Many Dogs Die From Teeth Cleaning? A Dentist on Anesthesia Risk, Honestly

Dr. Michelle Jorgensen, DDS

Dentist and founder of Longer Together Pet Co, which makes the product mentioned in this article.
Published November 2026 · 9 min read

What the research actually says about anesthesia and dog dental cleanings, why "anesthesia-free" cleaning falls short, and the questions worth asking your vet before the appointment.

If you are reading this, you probably have a dental appointment on the calendar, or a vet who has brought one up. And you probably have a knot in your stomach about the word "anesthesia."

That feeling is reasonable. Nobody hands over their dog lightly. So instead of reassurance or alarm, I want to give you what I would want as a patient: the real numbers, what they mean, and the questions that help you make a good decision with your vet.

Why We Are Writing About This

This topic is personal for our company. My co-founder Molly's dog, Larry, is a big part of why Longer Together exists. Here is the story in her words.

From Molly, co-founder

I was 22 when I adopted Larry. He has been in every apartment, every move, every bad year and every good one. At 14, he went in for a dental cleaning. It did not go the way anyone expected. We almost lost him to anesthesia.

That was the first time anybody told me his mouth was something I should have been looking after. Thirteen years, and nobody told me. He is fifteen now.

Molly Pittman is co-founder of Longer Together and runs Fields of Freedom Dog Rescue in Danville, Kentucky.

Larry's story is real, and it is also rare. Both things are true, and the rest of this article is about holding them together.

How Many Dogs Die From Teeth Cleaning?

Here is the honest starting point: no study has measured the death rate for routine dental cleanings on their own. What we have are large studies of anesthesia in dogs for all kinds of procedures, plus one study of dogs at specialty dental practices.

The largest UK study followed 98,036 dogs and found an overall anesthetic and sedation-related death rate of 0.17 percent, or about 1 in 601. For healthy dogs it was 0.05 percent, about 1 in 1,849. For dogs that were already sick, it was 1.33 percent, about 1 in 75.¹

A newer UK study of more than 150,000 dogs in everyday vet practices found about 14 deaths per 10,000 dogs within two weeks of sedation or anesthesia for any reason, with 10 of those within 48 hours.²

A worldwide study of 55,022 dogs found a rate of 0.69 percent, with most deaths happening after the procedure rather than during it.³

The one dental-specific study looked at 3,210 dogs anesthetized at specialty dental and oral surgery practices and found a 0.37 percent death rate within 14 days.⁴ Keep in mind these dogs had advanced imaging or oral surgery, which is more involved than a routine cleaning.

The numbers vary because the studies counted different things over different time windows. The pattern underneath them does not vary much: death is uncommon, and the dogs at higher risk are mostly the ones who were older or unwell going in.

The American Veterinary Dental College puts it plainly: anesthesia will never be 100 percent risk-free, but millions of dental scaling procedures are safely performed each year.⁵

What Makes the Risk Higher

Across these studies, the same factors keep showing up:

• Overall health. This is the biggest one. Sick dogs carried many times the risk of healthy dogs in the UK study.¹
• Age. Older age raised the risk in the large studies, and in the dental study it was the only factor that stayed significant. The median age of dogs that died was 12, against 7 for dogs that did well.²³⁴
• Obesity was linked to higher risk in the worldwide study.³
• Urgent procedures and certain breeds also carried more risk in the UK primary-care study.²
• Recovery. A large share of deaths happened after the procedure, not during it, which is why careful monitoring through recovery matters so much.¹³

That last point is the most useful one for you. Recovery monitoring is something you can ask about directly.

Why Vets Use Anesthesia for Cleanings at All

As a dentist, I understand this part well. When I clean a person's teeth, the work that matters most happens below the gumline, and my patients hold still and open wide for me. Dogs will not.

Cornell's veterinary college reports that 80 to 90 percent of dogs over the age of three have some component of periodontal disease.⁶ That disease lives in the pockets below the gumline. Cleaning there safely, and taking the dental X-rays that show what is happening beneath the teeth, requires a dog that is completely still with a protected airway.

That is why the American Animal Hospital Association's dental guidelines say general anesthesia with intubation, appropriate monitoring and physiologic support is necessary for dental procedures, including cleaning.⁷

What About Anesthesia-Free Cleaning?

I completely understand the appeal. It sounds like the same result without the risk. Unfortunately, it is not the same result.

• It cannot reach below the gumline. The AVDC says access to the area below the gumline of every tooth is impossible in an awake dog.⁵
• It cannot see the whole mouth. The tongue-side surfaces of the teeth cannot be examined, and there are no X-rays.⁵⁸
• It can look better than it is. Scraping the visible tartar off makes the teeth look clean while the disease underneath continues. Both the AVDC and AAHA describe this as purely cosmetic and warn it gives owners a false sense of security.⁵⁸
• It has its own risks. AAHA lists patient stress, injury and the risk of inhaling debris without a protected airway.⁸

AAHA's guidelines call anesthesia-free dentistry unacceptable for these reasons.⁷ If the goal is a healthy mouth rather than a whiter-looking one, it does not get you there.

Senior Dogs and Anesthesia

This is the question I hear most, usually from someone whose dog has a grey muzzle like Larry's.

AAHA's senior care guidelines say advanced age alone is not a reason to avoid general anesthesia, and that senior pets can safely undergo anesthesia when it is needed.⁹ Their anesthesia guidelines put it another way: age is not a disease, but disease is more common in older patients.¹¹

So age does raise the risk somewhat, and the research shows it.⁴ But it does not rule your dog out. What matters is your dog's individual health, which is exactly what pre-anesthetic bloodwork and an exam are for. For seniors, AAHA recommends lab work with particular attention to kidney and heart function before anesthesia.⁹

An older dog with painful dental disease is also living with that disease every day. Your vet can help you weigh both sides for your specific dog.

Questions to Ask Your Vet First

Good vets welcome these questions. Most come straight from the American Veterinary Dental College's guide for pet owners:¹⁰

• Do you run bloodwork before anesthesia? (AAHA recommends a complete blood count, chemistry panel and urinalysis as a minimum.¹¹)
• Who monitors my dog during anesthesia, and what do they track? (Blood pressure, oxygen, carbon dioxide, ECG, breathing and temperature.)
• Will my dog have an IV catheter and fluids?
• Do you take dental X-rays as standard for every cleaning?
• Do you use local nerve blocks for any extractions?
• Who watches my dog during recovery, and for how long?
• What happens if you find a problem during the procedure? Will you call me first?

AAHA's guidelines say recovery should be monitored with the same vigilance as the procedure itself.¹¹ If you ask only one question, ask about recovery.

The Part You Control at Home

The professional cleaning belongs to your vet. Nothing you do at home replaces it, and no at-home product removes hardened tartar below the gumline. That includes anything I make.

What you do control is the daily part. The AVDC itself recommends daily home care alongside regular veterinary exams and cleanings.⁵ For most families, that is where good intentions fall apart, because brushing a dog's teeth every day is hard. I am a dentist, and even I do not brush my dog's teeth. Here is what works instead of brushing, and here is what your dog's breath can tell you between visits.

I built Daily Dental Defense for exactly this gap. It is a prebiotic, which means it feeds the good bacteria already in your dog's mouth rather than adding new ones or scrubbing. One scoop on their food once a day supports a healthy balance of bacteria in the mouth. It is a daily habit that works alongside your vet's care, never instead of it. Here is how it works.

Daily Dental Defense™

One scoop on their food, once a day. Freeze-dried New Zealand beef liver carrying the Protektin™ prebiotic blend, which feeds the good bacteria already in your dog's mouth. Every dog, every size, no brushing.

★★★★★ 4.6 from 30 reviews From $35

Shop Daily Dental Defense

Questions Dog Owners Ask

How many dogs die from teeth cleaning?

No study has measured routine cleanings on their own. In the largest UK study of anesthesia in dogs, about 1 in 1,849 healthy dogs and about 1 in 75 sick dogs died of anesthetic or sedation-related causes. A study of dogs at specialty dental and oral surgery practices found a 0.37 percent death rate within 14 days.

Is anesthesia-free dog teeth cleaning safe?

It cannot clean below the gumline or include dental X-rays, and veterinary dental specialists describe it as purely cosmetic. AAHA lists stress, injury and the risk of inhaling debris among its risks and does not consider it acceptable.

Is my dog too old for a dental cleaning?

Age alone is not a reason to avoid anesthesia, according to AAHA's senior care guidelines. Older age does raise the risk somewhat, so pre-anesthetic bloodwork and an exam matter. Your vet can weigh your dog's individual health.

How can I lower my dog's anesthesia risk?

Ask about pre-anesthetic bloodwork, an IV catheter and fluids, a dedicated person monitoring vital signs, dental X-rays, and how your dog will be watched during recovery.

Can a supplement replace a professional cleaning?

No. Hardened tartar below the gumline only comes off during a professional cleaning under anesthesia. A daily prebiotic supports the balance of bacteria in your dog's mouth between visits. It works alongside your vet's care, not instead of it.

Dr. Michelle Jorgensen, DDS is a practicing dentist and the founder of Longer Together Pet Co. She spent her career helping people keep their teeth healthy, then built Daily Dental Defense on the same prebiotic science after she could not find anything good enough for her own dog.

She owns the company that makes the product described here. She is a human dentist, not a veterinarian, and nothing in this article is veterinary advice. Talk with your veterinarian about your dog's anesthesia and dental care.