Dog Dental Exam: How to Check, Clean, and Protect Your
Learn how to perform a dog dental exam at home, spot early signs of dental disease, and maintain your dog's oral health with expert-backed care routines.
Why a Home Dog Dental Exam Matters More Than You Think
By age three, roughly 80% of dogs show some degree of periodontal disease, according to the American Veterinary Medical Association. Left unchecked, oral bacteria can enter the bloodstream and affect the heart, kidneys, and liver. A professional veterinary dental cleaning under anesthesia typically costs $500–$1,500, depending on extractions and diagnostics. Performing a simple dog dental exam at home every two to four weeks helps you catch problems early — before a loose tooth becomes a $2,000 surgery and a painful infection.
This guide walks you through exactly how to examine your dog's mouth, what healthy vs. unhealthy looks like, which breeds need extra attention, and how to build a practical home dental care routine that actually works.
Canine Dental Anatomy: How Dog Teeth Differ From Ours
Key structural differences between dog and human teeth:
- Tooth count: Adult dogs have 42 permanent teeth (12 incisors, 4 canines, 16 premolars, 10 molars). Humans have 32.
- Enamel thickness: Canine enamel is roughly 0.1–0.6 mm thick — significantly thinner than human enamel (1.0–2.5 mm). This makes dog teeth more vulnerable to fracture and faster-progressing decay.
- Carnassial teeth: The upper fourth premolar (108) and lower first molar (309) form a scissor-like pair designed for shearing. These are the most common teeth affected by slab fractures in dogs.
- Root structure: Dog incisors are single-rooted, but premolars and molars have two to three roots each. A single "tooth" infection can involve multiple root canals, complicating treatment.
- pH environment: Canine saliva has a pH of approximately 7.5–8.0 (more alkaline than humans at ~6.5–7.0). This makes dogs less prone to traditional cavities but more susceptible to calculus (tartar) mineralization.
Understanding these differences explains why dogs rarely get "cavities" in the human sense but frequently develop gingivitis, periodontal pockets, and tooth resorption — conditions a home dog dental exam can help you identify early.
Normal vs. Abnormal: What a Healthy Dog Mouth Looks Like
| Feature | ✅ Healthy (Normal) | ⚠️ Concerning (Abnormal) |
|---|---|---|
| Gums | Salmon-pink, firm, stippled texture (like an orange peel). Some breeds have naturally pigmented (dark) gums — this is normal if consistent. | Bright red, swollen, bleeding on touch, receding (pulling away from tooth), or pale/white (possible anemia). |
| Teeth | Clean white to slightly yellow near gumline. No visible cracks, chips, or dark spots at the crown. | Brown/black tartar buildup, visible fractures, dark discoloration (possible dead pulp), or loose/wiggly teeth. |
| Breath | Mild odor — not pleasant, but not offensive. Think "dog food smell." | Foul, putrid, or metallic-smelling breath. Persistent bad breath (halitosis) is never normal. |
| Gum-tooth junction | Gum forms a tight, shallow V-shaped collar around each tooth. You should not see exposed root. | Visible pocket or gap between gum and tooth, pus, or gum tissue growing over the tooth surface. |
| Chewing behavior | Eats kibble and treats without hesitation. Chews on both sides of the mouth. | Drops food, chews on one side only, tilts head while eating, or suddenly refuses hard treats. |
| Under-chin/jaw | No swelling, symmetrical on both sides. | Visible lump, asymmetry, or sensitivity when touched under the jaw (possible tooth root abscess). |
A note on pigmentation: Breeds like Chow Chows, Shar-Peis, and many mixed breeds have naturally dark (melanin-pigmented) gums and tongues. If the dark coloring has been consistent since puppyhood, it's normal. A new dark patch on previously pink gums warrants a vet visit to rule out oral melanoma.
How to Perform a Dog Dental Exam at Home: Step-by-Step
What you need: Good lighting (a phone flashlight works), a calm environment, and small treats for positive reinforcement.
Step 1 — Desensitize (Days 1–7 for beginners): Sit with your dog in a relaxed setting. Gently lift their upper lip on one side for 2 seconds, then reward with a treat. Repeat on the other side. Do this for 3–5 sessions before attempting a full exam. If your dog resists, go slower — force creates fear and makes future exams harder.
Step 2 — Inspect the outer surfaces: With your dog seated or standing comfortably, lift the upper lip starting at the canine tooth and slide your finger back toward the molars. Check each tooth on the outer (cheek-facing) surface. Then gently pull down the lower lip and repeat. You're looking for tartar, redness, swelling, or broken teeth.
Step 3 — Check the incisors and canines: Gently part the front lips to see the 12 small front teeth (incisors). Look for crowding, retained baby teeth (common in small breeds), or gaps that weren't there before. Examine the four canine teeth for chips or discoloration.
Step 4 — Palpate the jawline: Run your fingers along both sides of the lower jaw and under the chin. Feel for any lumps, swelling, or areas where your dog flinches. A firm swelling under the eye or along the jaw can indicate a tooth root abscess on the upper fourth premolar or canine.
Step 5 — Note the smell: While it's not pleasant, take a moment to assess breath odor. A sudden change to foul or putrid breath — especially if paired with other symptoms — is a strong indicator of advanced periodontal disease or an oral infection.
Step 6 — Record findings: Take a photo of anything unusual with your phone. Note the date, which tooth area looks abnormal, and any behavioral changes. This record helps your vet assess progression at the next visit.
Pro tip: Pair every dental exam with a high-value reward (a small piece of boiled chicken or a lick mat session). Dogs that associate mouth handling with positive outcomes tolerate exams far better long-term.
Common Dog Dental Problems: Symptoms and What They Mean
| Condition | Key Symptoms | Typical Onset | Estimated Vet Treatment Cost |
|---|---|---|---|
| Gingivitis | Red, swollen gums; mild bleeding when chewing toys; bad breath | Gradual; often by age 2–3 in small breeds | $200–$500 (professional cleaning) |
| Periodontal disease (Stage 2–4) | Receding gums, loose teeth, pus, pain when eating, jaw swelling | Progresses from untreated gingivitis over months to years | $500–$2,500+ (cleaning + extractions + dental radiographs) |
| Tooth fracture (slab or complicated) | Visible crack or missing crown piece; sensitivity to cold/hard food; sudden chewing avoidance | Acute — often after chewing antlers, bones, or hard nylon toys | $800–$2,500 (root canal or extraction per tooth) |
| Tooth resorption | Pink spot on tooth surface, tooth appears to be "dissolving," pain on touch | Often detected on dental X-ray; may show no outward signs initially | $500–$1,500 (extraction of affected teeth) |
| Retained deciduous (baby) teeth | Double row of teeth visible, adult tooth erupting beside baby tooth, crowding | Between 4–7 months of age during teething | $150–$400 per tooth (surgical extraction during spay/neuter) |
| Oral masses (benign or malignant) | Visible growth on gums, palate, or tongue; bleeding; difficulty eating | Any age; melanoma and squamous cell carcinoma more common in dogs 10+ years | $500–$3,000+ (biopsy + surgical removal; oncology referral if malignant) |
The Merck Veterinary Manual emphasizes that most dental pain in dogs is "silent" — dogs rarely stop eating even with significant oral disease because their survival instinct overrides discomfort. This is why proactive home exams are critical.
Home Dental Care Routine: Frequency, Methods, and Products
Daily (ideal) or minimum 4× per week:
- Tooth brushing: Use a dog-specific enzymatic toothpaste (never human toothpaste — fluoride and xylitol are toxic to dogs). Apply a pea-sized amount to a finger brush or dual-head dog toothbrush. Brush in small circles along the outer gumline of each tooth. Focus on the upper fourth premolars and canines, where tartar accumulates fastest. Aim for 30–60 seconds total.
- Recommended toothpastes: Virbac C.E.T. Enzymatic Toothpaste ($8–$12) or Sentry Petrodex Enzymatic Toothpaste ($6–$9). Both carry the Veterinary Oral Health Council (VOHC) seal of acceptance.
- Recommended brushes: Petosan Dual-Head Toothbrush ($5–$8) or a silicone finger brush for small/toy breeds ($3–$5).
2–3× per week (supplemental):
- Dental chews: Offer one VOHC-accepted chew per day. Look for products with the VOHC seal — these have been tested to reduce plaque and/or tartar by at least 15–20%. Examples: Purina Pro Plan Veterinary Dental Chewz ($25–$35 for a 12-pack) or Hill's Prescription Diet t/d dental kibble (available by prescription, $45–$60 for an 8-lb bag).
- Water additives: Products like TropiClean Fresh Breath Oral Care Kit ($12–$18) or Oxyfresh Pet Dental Solution ($10–$15) can reduce bacterial load when added to drinking water. These supplement — not replace — brushing.
Monthly:
- Perform the full home dental exam described above.
- Inspect all chew toys for wear. Discard any toy harder than your dog's teeth — the "fingernail test" works: if you can't indent the toy with your thumbnail, it's too hard and risks slab fractures. Avoid antlers, hooves, and ice cubes.
Annually:
- Schedule a professional veterinary dental cleaning with dental radiographs (X-rays). The AKC recommends annual cleanings for most breeds and every 6 months for small/toy breeds prone to rapid tartar buildup.
- Expect to pay $300–$800 for a routine cleaning with X-rays at a general practice, or $600–$1,500+ at a specialty veterinary dentist.
When to See the Vet: Red Flag Dental Symptoms
Contact your veterinarian promptly if you notice any of the following during a home dog dental exam:
- A visibly loose, broken, or missing tooth
- Swelling under the eye, along the jaw, or under the chin
- Bleeding from the mouth that doesn't stop within 5 minutes
- Pus or discharge from the gumline
- Sudden refusal to eat or dropping food from one side of the mouth
- Foul breath that develops suddenly or worsens over 1–2 weeks
- Dark discoloration of a single tooth (gray, purple, or black — possible pulp necrosis)
- Pawing at the mouth or face repeatedly
- Any visible growth or mass in the mouth
- Excessive drooling, especially if blood-tinged
Do not attempt to extract a loose tooth at home or apply human oral pain gels (benzocaine products like Orajel are toxic to dogs). Always consult your veterinarian for proper diagnosis and treatment.
Breed Predispositions: Which Dogs Need Extra Dental Attention
| Breed / Size Category | Common Dental Issues | Why They're Prone | Recommended Exam Frequency |
|---|---|---|---|
| Toy & small breeds (Chihuahuas, Yorkshire Terriers, Pomeranians, Dachshunds, Toy Poodles) | Retained baby teeth, severe crowding, early-onset periodontal disease (often by age 2) | 42 adult teeth packed into a small jaw creates crowding and food traps between teeth | Home exam every 2 weeks; professional cleaning every 6 months |
| Brachycephalic breeds (Pugs, Bulldogs, Shih Tzus, Boston Terriers, Boxers) | Severe dental crowding, rotated teeth, gingival hyperplasia (overgrown gum tissue) | Shortened skull compresses tooth sockets; teeth erupt at abnormal angles | Home exam every 2 weeks; professional cleaning every 6–12 months |
| Greyhounds & sighthounds | Periodontal disease, tooth resorption | Genetic predisposition to thin enamel and aggressive gingival inflammation | Home exam monthly; professional cleaning annually |
| Large/giant breeds (Labrador Retrievers, Golden Retrievers, German Shepherds) | Slab fractures of carnassial teeth, oral tumors (melanoma in older dogs) | Powerful chewers fracture teeth on hard objects; large breeds have higher oral cancer rates | Home exam monthly; professional cleaning annually with full-mouth radiographs |
| Cavalier King Charles Spaniels | Early-onset periodontal disease, persistent deciduous teeth | Small jaw with genetic predisposition to aggressive gingivitis | Home exam every 2 weeks; professional cleaning every 6 months |
Prevention Strategies: Building a Long-Term Dental Health Plan
Preventing dental disease is far cheaper and less stressful than treating it. Here's a framework based on your dog's life stage and risk profile:
Puppy Stage (2–7 months)
- Start handling your puppy's mouth daily from 8 weeks old. Touch lips, lift them gently, reward with treats. This builds tolerance for brushing and exams later.
- Monitor baby tooth shedding between 4–7 months. If a baby tooth hasn't fallen out within 2 weeks of the adult tooth erupting beside it, schedule an extraction to prevent crowding and misalignment.
- Introduce a finger brush with a small dab of dog toothpaste around 12 weeks. No pressure — just let them taste it and get used to the sensation.
Adult Stage (1–7 years)
- Brush teeth daily or at minimum 4× per week with a VOHC-accepted enzymatic toothpaste.
- Feed at least one VOHC-accepted dental chew daily as a supplemental measure.
- Avoid hard chew items: antlers, cow hooves, ice cubes, hard nylon bones. These are the #1 cause of slab fractures in the upper fourth premolar.
- Schedule annual professional cleanings with dental radiographs. Radiographs are essential — roughly 60% of a dog's tooth structure sits below the gumline and is invisible on visual exam.
Senior Stage (7+ years)
- Increase home exam frequency to every 2 weeks, regardless of breed size.
- Watch for oral masses — oral melanoma, squamous cell carcinoma, and fibromatous epulis are more common in older dogs.
- Discuss pre-anesthetic bloodwork with your vet before any dental cleaning to assess kidney and liver function. Senior dogs can still safely undergo anesthesia with proper screening, but the risk-benefit calculation changes.
- If your senior dog has heart disease (especially mitral valve disease, common in Cavalier King Charles Spaniels and small breeds), inform your dentist — bacteremia from dental disease can worsen cardiac conditions.
Nutrition Considerations
While dry kibble alone does not prevent tartar (a common myth), specific dental-formulated diets like Hill's Prescription Diet t/d or Royal Canin Dental DLK use a mechanically designed kibble shape that scrubs the tooth surface as the dog bites through it. These are most effective when fed as the primary diet, not mixed with wet food. Consult your veterinarian before switching to a prescription dental diet.
Frequently Asked Questions
How often should I perform a dog dental exam at home?
For most adult dogs, a thorough home exam once a month is sufficient. Small and brachycephalic breeds benefit from exams every two weeks due to their higher risk of rapid periodontal disease progression. Puppies in the teething phase (4–7 months) should have weekly mouth checks to monitor baby tooth loss.
Can I use human toothpaste on my dog?
No. Human toothpaste contains fluoride (toxic if swallowed in quantity) and many brands contain xylitol, an artificial sweetener that causes rapid, potentially fatal hypoglycemia and liver failure in dogs. If your dog ingests xylitol-containing toothpaste, call ASPCA Animal Poison Control at (888) 426-4435 immediately (24/7, consultation fee applies). Always use a dog-formulated enzymatic toothpaste.
My dog hates having their teeth brushed. What can I do?
Start over with desensitization. Week 1: just touch the lip and reward. Week 2: lift the lip for 2 seconds and reward. Week 3: touch a dry finger brush to the front teeth and reward. Week 4: add toothpaste and make 2–3 gentle circles on the canines. Progress only when your dog is relaxed at each step. Use positive reinforcement exclusively — never hold your dog down or force the brush, as this creates lasting fear. If brushing remains impossible after 6–8 weeks of patient training, ask your vet about alternatives like dental gels (e.g., Oravet Oral Hygiene Rinse) or professional cleanings at shorter intervals.
Are dental chews as effective as brushing?
No single product replaces brushing. However, VOHC-accepted dental chews can reduce tartar accumulation by 15–30% when used daily, which is meaningful as a supplement. Think of dental chews as the equivalent of using mouthwash — helpful, but not a substitute for mechanical cleaning. The gold standard remains daily brushing combined with annual professional cleanings.
How do I know if my dog needs a professional dental cleaning?
If you see visible yellow-brown tartar on any teeth, red or bleeding gums, or notice persistent bad breath, your dog likely needs a professional cleaning. Even dogs with visually clean teeth benefit from annual cleanings with dental radiographs, since sub-gingival disease (below the gumline) is invisible without X-rays. Your vet can stage your dog's periodontal disease (Stage 1–4) during a physical exam and recommend the appropriate treatment timeline.
What does a veterinary dental cleaning involve?
A professional veterinary dental cleaning is performed under general anesthesia and typically includes: pre-anesthetic bloodwork, ultrasonic scaling above and below the gumline, dental radiographs (full-mouth X-rays), periodontal probing to measure pocket depths, polishing, and extraction of any diseased or fractured teeth. The entire procedure usually takes 45–90 minutes for a routine cleaning, longer if extractions are needed. Most dogs go home the same day and resume normal eating within 24–48 hours.
Is anesthesia for dental cleanings safe for older dogs?
Modern veterinary anesthesia is generally safe for senior dogs when preceded by appropriate screening (bloodwork, sometimes chest X-rays or an echocardiogram). The risk of untreated dental disease — chronic pain, systemic infection, organ damage — typically outweighs the risk of a well-monitored anesthetic event. Discuss your dog's specific health status with your veterinarian to make an informed decision.
This guide is intended for educational purposes and does not replace professional veterinary advice. Always consult your veterinarian for diagnosis and treatment of dental conditions in your dog.
Marcus Aldridge
All our authors care for dogs every day — read more of their work on the authors page.
