If you’ve ever tried to sneak a toothbrush near your dog’s mouth and ended up wearing more toothpaste than they swallowed, you’re in good company. As a veterinarian who’s spent years caring for senior dogs, I can tell you that learning how to brush dog teeth is one of the single most impactful things you can do for your pet’s long-term health. It’s not glamorous, it doesn’t always go smoothly at first — but it’s absolutely worth it.
In this guide, I’ll walk you through everything: why dental hygiene matters so much (especially for older dogs), what supplies you’ll need, a step-by-step process for introducing brushing even to the most reluctant pups, how often to brush, and what to do if your dog simply won’t cooperate.
Why Brushing Your Dog’s Teeth Is More Important Than You Think
Here’s a statistic that surprises most pet parents: according to the American Veterinary Dental College, over 80% of dogs show signs of periodontal disease by age three. By the time our dogs reach their senior years — say, seven and older — the vast majority have some degree of dental disease. And we’re not just talking about bad breath.
Periodontal disease is a progressive infection of the structures supporting the teeth. Left untreated, it causes chronic pain, tooth loss, and — critically — allows bacteria to enter the bloodstream. Those bacteria can travel to the heart, kidneys, and liver, contributing to systemic organ disease. In geriatric dogs, whose immune systems and organ function are already under more stress, this connection is especially concerning.
The good news? Regular brushing — ideally daily — dramatically reduces plaque and tartar buildup, slowing or preventing periodontal disease. It’s the gold standard of home dental care, and it’s a skill any pet parent can learn.
What You’ll Need Before You Start
Before you dive into the how-to, let’s gather the right supplies. Using the correct tools makes the whole process easier and safer for your dog.
Dog Toothbrush
Never use a human toothbrush — the bristles are too hard and the angle is wrong for a dog’s mouth. Look for a soft-bristled brush designed specifically for dogs. For most dogs, a finger brush (a small silicone brush that fits over your fingertip) works wonderfully for beginners because it gives you better control and feels less intimidating to your dog.
My top pick for getting started is the Vet’s Best Finger Brush & Pet Toothbrush Combo Set — it includes both styles so you can find what works best for your pup.
Dog-Safe Toothpaste
This one is non-negotiable: never use human toothpaste on your dog. Many human toothpastes contain xylitol, which is toxic to dogs, and fluoride in large amounts can cause problems too. Dog toothpastes are formulated to be safe if swallowed (and most dogs swallow it — that’s fine) and come in flavors dogs love, like poultry, beef, or peanut butter.
I strongly recommend enzymatic toothpaste, which contains enzymes that actively break down plaque even between brushing sessions. A fantastic option is Virbac C.E.T. Enzymatic Dog Toothpaste — it’s what I recommend to clients and what I use on my own dogs at home.
Optional: Dental Chews and Water Additives
These won’t replace brushing, but they’re excellent complements to your dental routine — more on those later. For now, just know they’re worth having in your toolkit.
How to Brush Dog Teeth: A Step-by-Step Introduction
The biggest mistake pet parents make is going straight for the toothbrush on day one. Dogs — especially older ones who’ve never had their teeth brushed — need a gradual, positive introduction. Rushing this process often leads to a traumatic experience that makes future brushing harder. Patience pays off enormously here.
Follow this phased approach over the course of one to two weeks:
Step 1: Get Your Dog Comfortable with Your Hands Near Their Mouth (Days 1–2)
Start by gently touching your dog’s muzzle and lips while giving lots of calm praise and small treats. Do this for just 30–60 seconds per session. The goal is simply to build a positive association with you handling that area. If your dog tenses up or pulls away, slow down — you’re moving too fast.
Step 2: Introduce the Toothpaste (Days 3–4)
Put a small amount of dog toothpaste on your finger and let your dog lick it off. Most dogs go nuts for the flavor. Let them sniff the toothbrush too. Keep the vibe light and fun — we’re building curiosity, not compliance.
Step 3: Introduce the Finger Brush (Days 5–6)
With toothpaste on your finger brush, gently lift your dog’s lip and run the brush over the outer surfaces of the front teeth. Don’t worry about getting the back teeth yet, and don’t try to open the mouth fully. Just a few seconds is enough. Praise enthusiastically afterward.
Step 4: Work Toward the Back Teeth (Days 7–10)
Gradually work toward the premolars and molars — the teeth at the back of the mouth. These are actually the most important to brush, as they’re where tartar accumulates most aggressively. Use gentle, circular motions or small back-and-forth strokes at about a 45-degree angle to the gumline.
Focus on the outer (cheek-facing) surfaces. The inner surfaces (tongue side) tend to get some cleaning from the tongue naturally, and most dogs won’t tolerate having you work in there — so don’t stress about it.
Step 5: The Full Routine (Day 10 and Beyond)
Aim for a brushing session of 1–2 minutes, covering all accessible outer tooth surfaces. Keep it positive: use a happy voice, offer praise, and consider giving a small treat or a few minutes of play afterward. Make it a ritual your dog associates with good things.
- Always brush on a non-slip surface where your dog feels stable
- Choose a calm time of day — not right before walks or meals when they’re excited or hungry
- If your dog gets stressed, stop and try again later with an even smaller step
- Never restrain your dog forcefully — this creates fear, not cooperation
How Often Should You Brush Your Dog’s Teeth?
Ideally, daily brushing is the goal. I know that sounds like a lot, but here’s the science behind it: plaque (the soft bacterial film that causes dental disease) begins hardening into tartar within 24–48 hours. Once it calcifies into tartar, brushing can’t remove it — only a professional dental cleaning under anesthesia can. So brushing every day interrupts that cycle before tartar ever forms.
That said, I’m realistic with my clients: 3–4 times per week is genuinely beneficial and much better than nothing. If you can only manage a few times a week right now, start there and work up to daily as brushing becomes part of your routine.
For senior dogs especially, I encourage pet parents to aim for daily brushing if at all possible. As dogs age, their immune response to oral bacteria can change, and the downstream effects of dental disease on the kidneys, heart, and liver become increasingly significant.
What If My Dog Absolutely Won’t Let Me Brush Their Teeth?
Not every dog will accept brushing, and that’s okay. There are several evidence-based alternatives that provide meaningful dental benefit — none are as effective as brushing, but they’re far better than doing nothing.
Dental Chews (VOHC-Accepted)
Look for dental chews that carry the Veterinary Oral Health Council (VOHC) seal — this means the product has been scientifically tested and shown to reduce plaque and/or tartar. The mechanical chewing action helps scrape debris from tooth surfaces.
One of my favorites is Greenies Original Dental Dog Treats — they’re VOHC-accepted, widely available, and most dogs consider them a treat rather than a chore. Give them daily for best results.
Water Additives
Dental water additives are poured directly into your dog’s drinking water and work by inhibiting bacterial growth in the mouth. They’re completely passive — your dog just drinks as normal — which makes them a wonderful option for resistant dogs or as a complement to other dental care.
I recommend Oxyfresh Premium Pet Dental Care Water Additive — it’s tasteless and odorless so even picky drinkers accept it, and it has solid clinical backing for reducing plaque bacteria.
Dental Wipes and Rinses
Dental wipes won’t get into the sulcus (the space between the tooth and gum) the way a brush will, but they can remove surface debris and are a good stepping stone for dogs still getting used to oral handling.
Raw Bones (With Caution)
Raw meaty bones have a natural abrasive effect and some dogs who won’t tolerate brushing will happily gnaw on a raw bone. However, they come with risks — fractures of the carnassial teeth, choking, and bacterial contamination — so this option requires careful supervision and isn’t appropriate for all dogs, especially older ones with fragile teeth. Always discuss with your vet before introducing raw bones.
Professional Dental Cleanings: When Home Care Isn’t Enough
Even the most diligent home care routine can’t eliminate the need for professional dental cleanings entirely — though it can significantly reduce how often they’re needed. I tell my clients: think of brushing like flossing and using mouthwash at home. It’s essential, but you still go to the dentist.
For most dogs, professional cleanings every 1–3 years are recommended, depending on their breed, age, and how well home care is maintained. Small breeds and brachycephalic dogs (bulldogs, pugs, Shih Tzus) tend to need cleanings more frequently due to crowded teeth and anatomy. Senior dogs should have their mouths assessed at every wellness visit.
I know anesthesia can feel scary — especially for older dogs — but modern anesthetic protocols are very safe, and the risks of untreated dental disease far outweigh the anesthetic risk in the vast majority of cases. Non-anesthetic dental cleanings, while tempting, do not clean below the gumline where disease actually lives; they’re largely cosmetic.
Signs of Dental Disease to Watch For
Learning how to brush dog teeth is also about becoming more observant of your dog’s oral health. Contact your vet if you notice any of the following:
- Bad breath that’s noticeably worse than usual
- Yellow, brown, or gray buildup on teeth (tartar)
- Red, swollen, or bleeding gums
- Loose or missing teeth
- Reluctance to eat, chewing on one side, or dropping food
- Pawing at the mouth or face
- Excessive drooling
These signs can indicate significant dental disease that needs professional attention — and in many cases, dogs are very good at hiding pain, so the problem may be more advanced than the symptoms suggest.
Quick-Start Dental Kit for Your Dog
To make it easy to get started, here’s a simple shopping list of what I’d recommend for any dog parent beginning a dental care routine:
- 🦷 Dog toothbrush set (finger brush + standard brush)
- 🪥 Enzymatic dog toothpaste (poultry or peanut butter flavor)
- 🦴 VOHC-accepted dental chews (Greenies)
- 💧 Dental water additive (Oxyfresh)
Final Thoughts from Dr. Lisa
I’ve seen firsthand how much of a difference consistent home dental care makes — both in the condition of dogs’ teeth and in their overall quality of life as they age. A dog with a healthy mouth is a more comfortable dog, a happier dog, and often a longer-lived dog.
Learning how to brush dog teeth doesn’t have to be a battle. Approach it with patience, keep sessions short and positive, use the right products, and celebrate small wins. Most dogs — even skeptical seniors — will come around with gentle, consistent practice.
If you’re ever unsure whether your dog’s dental health needs professional attention, don’t wait. Schedule a wellness visit and ask your vet to take a look. Your dog can’t tell you their mouth hurts — but you can be the advocate who notices, acts, and keeps them comfortable for all the years to come.
— Dr. Lisa Park, DVM, Geriatric Dog Health Specialist