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How to Spot Tooth Pain in Pets (Even When They’re Still Eating)

  • 49 minutes ago
  • 4 min read
Close-up of a grey tabby cat with its mouth open, showing yellowed teeth and visible tartar buildup along the gums.

If your pet is eating normally, you might assume everything’s fine — but tooth pain in dogs and cats can be surprisingly hard to detect. Animals are instinctively good at hiding discomfort, and many will continue eating even when their mouth is sore or infected.


In this blog, we’ll explain why pets mask pain, how to recognise the subtle signs of dental discomfort, and when to seek veterinary help — because just because they’re eating, doesn’t mean they’re not in pain.


Contents



Why Pets Hide Tooth Pain


In the wild, animals that show pain can become vulnerable to predators or risk being excluded from the group. This evolutionary survival instinct is still strong in our pets today — especially cats, who are particularly skilled at concealing discomfort.


As a result, dental disease can progress for months or even years without obvious signs. Your pet may continue eating, playing, and appearing normal, even while dealing with painful teeth, infected gums, or fractured molars.



Can Pets Eat With Tooth Pain?


Yes — and this is one of the biggest myths in pet health. Just because your dog or cat is eating, it doesn’t mean their mouth is pain-free. Many animals will adjust how they eat to avoid aggravating sore spots, all while masking the pain from their owners.


Some may:


  • Swallow food whole instead of chewing

  • Chew on one side of the mouth only

  • Drop food from their bowl

  • Prefer soft food over kibble


These behaviours often go unnoticed — which is why it’s so important to recognise the less obvious signs of oral discomfort.



Subtle Signs of Dental Discomfort


Tooth pain doesn’t always show up as obvious distress. More often, it appears as subtle changes in eating habits, facial expressions, or behaviour. Knowing what to look for can help you spot issues early, before they become serious.


Keep an eye out for:


  • Slower eating or taking longer to finish meals

  • Preferring soft food or refusing hard treats

  • Dropping kibble or chewing on one side only

  • Leaving food in the bowl when normally eager to eat

  • Lip smacking or excessive drooling after meals


While these signs may seem minor, they can indicate significant discomfort and should not be ignored.



Behavioural Clues to Watch For


Pain can also affect your pet’s personality or behaviour. Pets in discomfort may become withdrawn, irritable, or less playful — often without any other signs of illness.


Watch for changes such as:


  • Avoiding head pats or flinching when touched near the mouth

  • Sleeping more or being less interested in play

  • Sudden aggression when touched around the face

  • Hiding or becoming more reserved than usual

  • Pawing at the mouth or rubbing their face on furniture


These behaviours may come and go, making them easy to overlook. However, consistent changes should prompt a closer look at your pet’s dental health.



Physical Signs of Oral Pain


Sometimes, visible changes in your pet’s mouth or facial area may point to dental problems. These physical symptoms are often more apparent in moderate to advanced stages of disease.


Common physical signs include:


  • Bad breath (halitosis)

  • Red, swollen, or bleeding gums

  • Yellow or brown tartar build-up

  • Loose or broken teeth

  • Swelling under the eye or jaw

  • Blood on toys or chews


Close-up of a brown dog’s mouth being gently lifted by a gloved hand, showing significant tartar buildup and inflamed gums around the teeth.

If you’re comfortable doing so, gently lift your pet’s lip to check for redness, bleeding, or tartar. But always take care — painful mouths can make even the gentlest pet react unpredictably.



When to Book a Dental Check-Up


If you’ve noticed any of the signs above — even if your pet is still eating — it’s time to book a check-up. Many dental problems, such as abscesses, gum disease, or fractured teeth, require professional treatment and can’t be resolved with home care alone.


Early intervention can:


  • Prevent unnecessary pain

  • Save teeth from extraction

  • Reduce long-term treatment costs

  • Improve your pet’s energy, appetite, and behaviour


We recommend annual dental checks for all pets, and more frequent monitoring for those with a history of oral issues.



How Roundwood Vets Can Help


At Roundwood Vets, we take dental health seriously — not just for fresh breath and clean teeth, but for your pet’s comfort and overall wellbeing. Our team offers thorough dental assessments, scale and polish procedures, x-rays to check below the gumline, and gentle treatment plans tailored to your pet’s needs.


We also offer guidance on:


  • Brushing techniques

  • Dental diets and chews

  • Ongoing monitoring for senior pets


Our goal is to catch problems early and make dental care as stress-free as possible — for pets and owners alike.



Final Thoughts


Just because your pet is eating doesn’t mean their mouth is pain-free. Dogs and cats are experts at hiding discomfort, especially when it comes to their teeth. By staying alert to the subtle signs of dental pain, you can help protect your pet from unnecessary suffering and support a longer, happier life.


📞 Noticed something unusual? Book a dental check-up with Roundwood Vets — we’re here to help you get to the root of the issue.



We believe preventing disease is a far better way of helping your pet stay fit, comfortable, happy and healthy. So we’ve created the Vital Pets Club to make sure every pet owner has easy access to the best pet care at an affordable price.

Save money, and help your pet live a happy and healthy life with Vital Pets Club, by Roundwood Vets.


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