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Dog Tooth Infection & Gum Disease Checker — AI Photo Analysis

Upload a photo of your dog's teeth and gums and get an instant AI health report. Detect tooth infections, gum disease, tartar buildup, periodontal disease, and other dental conditions in seconds.

📸 View photo guide for best results ↓

Drop your pet's photo here

or

✅JPG, PNG, WEBP
📏Max 8MB

This tool provides AI-generated preliminary analysis only. Not a substitute for professional veterinary diagnosis.

📸 Photo Guide

Good photos

Good example: clear close-up photo of dog teeth and gums showing detail

Close-up, clear

Good example: well-lit photo showing dog teeth surface and gum line

Shows gum line

Avoid

Bad example: photo taken too far away to see teeth details

Too far away

Bad example: blurry photo of dog teeth

Blurry

Tips for best results

  • ✓Gently lift your dog's lips to expose the teeth and gums
  • ✓Focus on the area that concerns you most
  • ✓Use natural daylight for best results
  • ✓Include both the teeth and gum line in the photo
  • ✓Keep your dog calm — treats and praise help!

How It Works — AI Dog Dental Checker

Upload a dog teeth photo to PawCheck for AI dental analysis
Step 1

Upload a Photo

Take a clear, close-up photo of your dog's teeth and gums. Gently lift your dog's lips to expose the teeth and gum line.

AI analyzing dog teeth photo for dental diseases
Step 2

AI Analyzes

Our AI examines the teeth, gums, tartar buildup, and any signs of infection to identify potential dental health issues.

Detailed AI health report for dog dental analysis
Step 3

Get Your Report

Receive a detailed health report with the identified condition, possible causes, severity assessment, and recommended next steps.

Common Dog Dental Conditions

Is your dog showing signs of dental problems? Bad breath, red gums, or difficulty eating can all indicate dental disease. Here are the most common dental conditions our AI can help identify. Also try our cat dental checker or dog ear checker or dog nose checker.

Dog Tooth Infection (Tooth Abscess)

A dog tooth infection is one of the most searched dental concerns — and for good reason. A tooth abscess occurs when bacteria invade the tooth root, often through a crack, fracture, or advanced periodontal disease. The telltale sign is swelling under the eye (the upper premolar roots sit just below the eye socket). Other symptoms include bad breath, difficulty eating, pawing at the face, and nasal discharge from one nostril. Dog tooth infection treatment typically requires antibiotics followed by extraction of the affected tooth under anesthesia. Left untreated, the infection can spread to the jawbone or bloodstream.

Dog tooth infection showing facial swelling and inflamed gums
Dog gum disease showing red swollen gums and tartar buildup

Gum Disease in Dogs (Periodontal Disease)

Dog gum disease is the most common dental condition — over 80% of dogs over age 3 have some form of periodontal disease. It starts as gingivitis (red, swollen gums that bleed easily) and progresses through stages. Dog gum disease stages range from Stage 1 (mild gingivitis, reversible) to Stage 4 (severe bone loss, teeth falling out). Early signs include red gums, bad breath, and yellow-brown tartar buildup along the gum line. What does gum disease look like in dogs? Look for receding gums, exposed tooth roots, loose teeth, and pus between teeth and gums. Regular dental cleanings and daily brushing are the best prevention.

Tartar & Plaque Buildup

Tartar (calculus) is hardened plaque that forms on dog teeth when plaque isn't removed through brushing or chewing. It appears as yellow, brown, or gray crusty deposits, usually starting along the gum line and spreading across the tooth surface. While tartar itself isn't painful, it harbors bacteria that cause gum disease, tooth decay, and infections. Once tartar has hardened, it cannot be removed by brushing alone — professional dental cleaning under anesthesia is needed. Prevention through daily brushing, dental chews, and regular vet checkups is far easier than treatment.

Dog teeth showing heavy yellow-brown tartar and plaque buildup
Dog with broken fractured tooth showing exposed pulp

Broken or Fractured Teeth

Broken teeth are common in dogs, especially those who chew on hard objects like bones, antlers, rocks, or hard plastic toys. A fractured tooth may expose the sensitive pulp (nerve and blood vessels inside), which quickly becomes infected and painful. Signs include visible tooth damage, bleeding from the mouth, reluctance to chew on one side, and drooling. Even small chips can allow bacteria to enter and cause a tooth root abscess over time. Treatment depends on severity — minor chips may be sealed, but fractures exposing the pulp usually require extraction or root canal therapy.

Dog Mouth Infection (Stomatitis)

Dog mouth infection, or stomatitis, is severe inflammation affecting the gums, tongue, inner cheeks, and throat. Unlike localized gum disease, stomatitis causes widespread redness, ulcers, and extreme pain throughout the mouth. Dogs with stomatitis often drool excessively, have terrible breath, refuse to eat, and may cry when yawning or opening their mouth. Causes include immune-mediated conditions, severe periodontal disease, and reactions to oral bacteria. Treatment is challenging and may involve full-mouth extractions in severe cases, along with immunosuppressive medications.

Dog mouth infection showing widespread inflammation and redness
Dog with discolored dead tooth showing gray-brown color change

Discolored or Dead Teeth

A tooth that turns pink, purple, gray, or brown is likely a dead tooth — meaning the blood supply inside has been damaged, usually from trauma (a blow to the mouth). A pink or purple tooth indicates internal bleeding (pulpitis), while gray or brown means the tooth has died. Dead teeth don't always cause immediate pain, but they often become infected over time. Dogs with a discolored tooth should be evaluated by a vet — X-rays can reveal whether the tooth root is infected. Treatment is usually extraction or root canal therapy to prevent future abscess formation.

Worried about your dog's teeth?

Upload a close-up photo of your dog's teeth and gums now. Get an AI-powered dental health report in seconds.

Check Dog Teeth Now →

Medical Disclaimer

PawCheck provides AI-generated preliminary health analysis for informational and educational purposes only. This service is not intended to replace professional veterinary advice, diagnosis, or treatment. The AI analysis has inherent limitations and may not always be accurate. Always seek the advice of a qualified, licensed veterinarian with any questions regarding your pet's health. Never disregard professional veterinary advice or delay in seeking it because of information provided by this tool. If your pet is experiencing a medical emergency, contact your veterinarian or emergency animal hospital immediately. By using this service, you acknowledge and agree to these terms.

Frequently Asked Questions

How do you treat an infected dog's tooth?

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Treatment depends on the severity. Mild infections may be managed with antibiotics prescribed by your vet. However, most dog tooth infections require professional dental cleaning under anesthesia, and severely infected or damaged teeth usually need extraction. Never try to treat a dog tooth infection at home with human medications — many are toxic to dogs. If you notice swelling under your dog's eye, bad breath, or difficulty eating, see your vet promptly.

How long can a dog go with an infected tooth?

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A dog should not go long with an infected tooth. While some dogs hide pain well and may seem fine for weeks, an untreated tooth infection can spread to the jawbone, sinuses, or even the bloodstream (sepsis), which is life-threatening. The infection also causes constant pain that affects your dog's quality of life. If you suspect a tooth infection, schedule a vet visit within a few days — don't wait for it to get worse.

Is a dog's tooth infection an emergency?

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A tooth infection alone is usually not an immediate emergency, but it should be seen by a vet within a few days. However, if you notice facial swelling (especially under the eye), fever, refusal to eat or drink, excessive drooling, or bleeding from the mouth, these are signs of a severe infection that needs urgent veterinary care — ideally within 24 hours. A tooth abscess that ruptures through the skin requires immediate attention.

What are the symptoms of a dog tooth infection?

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Common signs include bad breath (halitosis), difficulty eating or chewing on one side, drooling, pawing at the mouth, swelling on the face or under the eye, red or bleeding gums, loose or discolored teeth, nasal discharge from one nostril, and behavioral changes like decreased appetite or irritability. Some dogs hide dental pain well, so regular dental checks are important even if your dog seems fine.

When should I take my dog to the vet for a tooth infection?

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Take your dog to the vet as soon as you notice signs of dental problems: persistent bad breath, red or swollen gums, difficulty eating, facial swelling, or visible tooth damage. Don't wait for the problem to resolve on its own — dental infections only get worse over time. If there's facial swelling, fever, or your dog stops eating entirely, seek veterinary care urgently within 24-48 hours.

What are the different types of dog tooth infections?

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The main types include: tooth abscess (infection at the tooth root, often causing facial swelling), gingivitis (inflammation of the gums — early stage, reversible), periodontal disease (infection of the tissues supporting the teeth — the most common dental disease in dogs), tooth fracture with pulp exposure (broken tooth that gets infected), and stomatitis (severe inflammation of the entire mouth). Periodontal disease affects over 80% of dogs by age 3.

What does gum disease look like in dogs?

+
Early gum disease (gingivitis) shows as a red line along the gum where it meets the teeth, and the gums may bleed when touched. As it progresses to periodontal disease, you'll see receding gums exposing tooth roots, heavy tartar buildup (yellow-brown deposits on teeth), loose teeth, pus between the gums and teeth, and persistent bad breath. In severe cases, teeth may fall out and the jawbone can deteriorate.

Can I prevent dental disease in my dog?

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Yes, prevention is very effective. Brush your dog's teeth daily or at least 3 times a week with dog-specific toothpaste (never human toothpaste). Provide dental chews and toys designed to reduce plaque. Feed a balanced diet — some dental-specific kibble helps scrape teeth clean. Schedule professional dental cleanings with your vet annually or as recommended. Starting dental care early when your dog is young makes it much easier to maintain.

More AI Pet Health Checks

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AI Skin Disease Checker for Dogs and Cats

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AI Dog Ear Infection Checker

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AI Cat Ear Mites & Infection Checker

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AI Cat Nose Checker - Analyze Cat Nose Photos

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