We Will Never Call Anesthesia Safe | Veterinary Dental Arts

Our Approach·July 2026·5 min read·Luke Anderson, DVM

We will never call
anesthesia safe.

The word "safe" is where attention goes to die. Here's how we think about anesthesia instead — and why your older pet is probably a better candidate than you fear.

Anesthesia is the part of dental care people worry about most, and the worry almost always arrives wrapped around a single word: safe. Is it safe? We understand the question, but we won't answer it the way people expect — because the honest answer changes how the whole day is run.

The short version
  • Age is not a disease. Older pets carry the worst dental disease and stand to gain the most from treating it.
  • We refuse the word "safe" — because the moment a practice calls something safe, it stops examining it.
  • Modern anesthesia is a system: multi-parameter monitoring, small amounts of several drugs instead of large amounts of one, and local blocks that keep patients at lighter planes.
  • Dentistry has an escape hatch most surgery doesn't: if a patient isn't handling it, we can stop and wake them up.

"Isn't my dog too old for this?"

We hear it constantly, and the concern comes from love. But consider human medicine for a moment: most surgery happens in older adults. That's not recklessness — that's when problems show up, and when treating them matters most. Nobody suggests grandma should skip her hip replacement because she's seventy-four. We'd be sentencing her to years of quiet pain over a fixable problem.

Pets are no different. The older mouth is the one carrying the infection, the loose teeth, the abscess that's been aching for a year. Age is not a disease — but the dental disease that accumulates with age absolutely is. And when it's treated, something remarkable happens that owners report again and again: the dog who "slowed down" starts playing again. The cat who got picky starts eating like she used to. That was never age. That was pain.

Now — sickness is different from age. A fifteen-year-old cat with a heart murmur is not a healthy fifteen-year-old cat, and the anesthetic plan for one is not the plan for the other. The research bears this out: in a recent university-clinic study, dogs with significant illness were roughly 24 times more likely to die under anesthesia than healthy patients.3 The number that predicts risk isn't the birthday. It's the health status — which is exactly why every patient here gets an individualized workup and protocol, not an off-the-shelf one.

Is anesthesia safe?

No.

That answer surprises people coming from us, since anesthesia is the center of what we do. But we mean it, and here's why: the moment you call something safe, you stop looking at it closely. Complacency is the actual danger — not the drugs.

Some would point out that complications are rare, and they'd be right. Large studies put anesthetic mortality in dogs and cats at a fraction of a percent, and lower still in healthy patients.2 But rare is not the same as safe. Rare is what happens when nobody in the building ever relaxes.

So we don't call anesthesia safe. We call it watched.

What "watched" actually means

Two things changed veterinary anesthesia over the last generation, and we build our practice on both.

Multi-parameter monitoring. It's no longer enough to know a patient is breathing and warm. Throughout every procedure we track heart rate and rhythm, blood pressure, oxygen saturation, respiratory rate, temperature, and end-tidal carbon dioxide — the earliest whisper that something is drifting before it becomes a problem. Trouble under anesthesia rarely arrives suddenly. It announces itself in small numbers first, to anyone watching for it.

Multimodal drug protocols. The old approach was simple: one gas, turned up high. The modern approach uses a set of medications, each addressing a different piece — sedation, pain, muscle relaxation, anxiety — so that nothing is used in a large quantity. Small amounts of several things are gentler on the body than a lot of one thing. There is a science to this, and it's tailored to the patient on the table, not copied from the last one.

And one more layer, particular to dentistry: local nerve blocks. We can numb just the region we're working on — the way your own dentist does — which means the patient doesn't need to be held at a deep plane of anesthesia even for oral surgery. They stay light, comfortable, and stable. This isn't just intuition. A worldwide analysis of over 55,000 canine anesthesias found the use of local anesthesia was associated with a lower risk of anesthetic death.1 Numbing the work is protective.

"But a cleaning every year — what's the toll?"

It's a fair question, and the honest answer runs opposite to the instinct.

A pet who gets regular dental care needs light, quick procedures. There's little to fix, so anesthesia time is short and the plane stays shallow — just enough to clean beneath the gumline where the disease actually lives, probe the areas that would hurt an awake patient, and take the X-rays that find problems while they're small.

A pet who waits is a different story. By the time disease is advanced, the patient is older, the mouth needs surgery, the procedure runs longer, and the anesthesia must run deeper. The toll you were trying to avoid got larger by being postponed. Regular care isn't the risky path. It's the light one.

Dentistry's escape hatch

Here's something unique about dental work compared to most surgery: we can almost always just stop.

If a patient's body isn't handling anesthesia well, we aren't halfway through an open abdomen. We can pause, wake them up, and regroup — finish another day, adjust the plan, or refer for a workup first. Very few procedures in medicine offer that off-ramp, and we use it without hesitation when a patient tells us to.

The same thinking applies to long cases. Anesthesia time does add risk, and we respect that. When a mouth needs a very long procedure, sometimes the right call is two shorter anesthesias instead of one marathon — balanced against the fact that going under and coming back up carry their own risk. There's no formula that decides this. There's a doctor looking at the patient in front of them, weighing it case by case. That's the job.

One more thing the research taught the profession, and it shaped how we run our recovery room: most anesthetic deaths don't happen during the procedure. They happen afterward, in recovery — in that same worldwide study, about four out of five.1 Which is why "watched" doesn't end when the instruments are put away. Patients here are observed through full recovery, until they're genuinely back.

The honest summary

Anesthesia is a tool with real risk, handled by people who refuse to get comfortable with it. Your older pet is not disqualified by a birthday — and may be the patient with the most to gain. If you've been putting off dental care because of the word "anesthesia," we'd rather you ask us the hard questions than carry the worry alone.

Worth taking a look.

Common questions about anesthesia

Is my senior pet too old for anesthesia?

Age by itself is not a disqualifier — health status is what matters. Older pets carry the most dental disease and see some of the biggest quality-of-life gains from treatment. Every patient receives bloodwork and an individualized protocol; if a pet needs a cardiology consult or additional workup first, we'll tell you plainly.

Why won't you just say anesthesia is safe?

Because "safe" is where vigilance goes to die. Complications are genuinely rare, but rare is the product of constant attention — multi-parameter monitoring, tailored drug protocols, and full recovery observation. We'd rather earn "rare" every day than claim "safe" once.

What if my pet has a heart murmur or other condition?

Dental disease frequently makes heart disease worse, so the risk of a carefully modified anesthetic is often lower than the ongoing risk of untreated oral infection. That decision belongs to you — our job is to help you think it through clearly. If your primary veterinarian has recent labs or a cardiac workup, we'll gladly use them.

Can't you clean teeth without anesthesia?

Anesthesia-free cleaning polishes what you can see and misses where disease lives — beneath the gumline. It also skips X-rays and any real exam of painful areas, since no awake animal allows one. It looks like care while leaving the disease in place.

References

  1. Redondo JI, Otero PE, Martínez-Taboada F, et al. Anaesthetic mortality in dogs: a worldwide analysis and risk assessment. Veterinary Record, 2024. (55,022 dogs; local anesthesia associated with lower risk; ~81% of deaths in the postoperative period.)
  2. Brodbelt DC, Blissitt KJ, Hammond RA, et al. The risk of death: the confidential enquiry into perioperative small animal fatalities (CEPSAF). Veterinary Anaesthesia and Analgesia, 2008. (Mortality ~0.17% in dogs and ~0.24% in cats, lower in healthy patients.)
  3. Varkoulis K, Savvas I, Anagnostou T, et al. A retrospective study on canine and feline mortality during anaesthesia at a university clinic in Greece. Animals, 2023. (Sick ASA III–V dogs ~24.5× more likely to die than healthy/mild-disease dogs.)

Worth taking a look. See the pricing or email us — the hard questions are welcome.