Emilee

Patient Information

Name: Emilee
Age: 7 years
Gender: Jenny (female)
Species: Donkey

Managing Periodontal Disease in Emilee, a Donkey with Deviated Teeth

Patient History

Patient History

Routine Dental Checkup Unmasks Hidden Infection

Emilee, a 7-year-old donkey, was booked for her routine dental appointment. Her owner had noticed several concerning behaviours when Emilee was eating. Emilee was having trouble chewing her food and was leaving small balls of half-chewed hay around the feed bin, which is a behaviour known as quidding. She was also washing her mouth out in the water trough, making quite a mess. Finally, she had become sensitive around her face, reacting to touch, particularly when her cheeks were pressed.

Each of these changes suggested signs of discomfort in her mouth, and it was time for a dental checkup.

Presenting Problem

Cheek Sensitivity Reveals Severe Periodontal Infection

Once Emilee was sedated and comfortably placed in Dental Vet’s portable stocks, a detailed oral examination was performed. The findings were extensive. Her teeth were very sharp, causing ulcers on the inside of her cheeks, and there were areas of peripheral caries (decay around the sides of her teeth) toward the back of her mouth.

Most notably, several of her teeth were severely deviated, trapping feed between them and leading to secondary periodontal disease (infection in the tissues supporting the teeth). The near side was worst affected: her last lower tooth was tipped significantly towards the cheek, while the second-last tooth was tipped towards the tongue, so much so that the cheek side of one tooth almost sat in line with the tongue side of the next.

When teeth tilt out of alignment, food can no longer move smoothly across the chewing surfaces. Instead, it becomes trapped between the teeth, where it decays, allowing bacteria to thrive. This infection damages the periodontal ligament (the connective tissue that secures the tooth to the bone), creating deep pockets beneath the gum line. Emilee had nine quite severe periodontal pockets, some reaching 16mm deep below the gumline, which would have been extremely painful.

Left untreated, this type of infection can worsen rapidly, causing loosening of teeth, spreading to the bone or sinuses, and even creating fistulas (holes between the mouth and nasal passages or sinuses). Feed trapped between teeth can also promote further peripheral caries, as bacteria feed on the decaying material, strip minerals from the teeth, and erode the outer layers. Early intervention is crucial to prevent these cycles of infection and decay from leading to irreversible damage.

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“Even small changes in chewing or comfort can signal significant hidden dental disease, especially in donkeys.”

Dr Kirsten Jackson

Diagnostics & Treatment

Treating Severe Periodontal Disease and Correcting Deviated Teeth

Given the number of issues affecting Emilee, her treatment plan needed to be comprehensive and carefully staged. First, the periodontal disease was addressed, while her sedation and systemic pain relief were at their strongest. All decayed feed material and infection were meticulously removed, and the periodontal pockets were flushed with a dilute solution of chlorhexidine to clean and disinfect the infected areas.

Once the pockets were clear, the next step was to correct the sharp enamel points, overgrowths and deviated teeth. At Dental Vet, a combination of techniques is used to treat deviated teeth. The protruding sections of each tooth were carefully shaved back, taking care not to damage the pulp cavities (the inner chamber containing nerves and blood vessels), to allow the food to pass freely rather than become trapped.

Next, a technique known as ‘functional orthodontics’ was applied. It’s not quite braces, but it uses similar principles to alter chewing forces and gradually guide the teeth back into alignment. By adjusting the angle of the grinding surface, each chewing motion helped place gentle pressure on the correct side of the tooth, encouraging realignment over time.

Finally, to support healing, antibiotics were placed into the periodontal pockets, and on the most severely affected teeth, a polyvinyl siloxane temporary bridge was applied.

The owner was advised to flush Emilee’s mouth regularly with clean water and avoid sugary feeds and cereal hays to reduce bacterial growth and control the peripheral caries. Because of the severity of the infection, a recheck was scheduled for three months.

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“Using functional orthodontics allows us to gently guide teeth back into place, improving comfort and preventing further disease”

Dr Kirsten Jackson

Emilee’s teeth after three months.

Emilee’s teeth after twelve months.

Emilee’s teeth after 2.5 years (29 months)

Outcome

A Pain-Free Smile and a Cheerful Bray

At the recheck, Emilee’s progress was impressive. Her teeth had begun to shift back toward alignment, and the number of infected periodontal pockets had reduced from nine to four, with the deepest now measuring 8-10 mm.

By her third treatment, her teeth had continued to realign, and the infection had resolved completely. Teeth that are this severely deviated are very commonly extracted, but it is incredible what can be achieved with proactive treatment.

Emilee also appeared to be a brand-new donkey. She was comfortable, happy and even affectionate. Her owner reported there had been no more quidding or rinsing her mouth in the water trough, and Emilee now happily enjoyed face cuddles from her owner. At every visit following her treatment, as she was led back to the paddock, she would pause, turn around and let out a big, cheerful bray.

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“From painful chewing and infection to a happy, affectionate donkey, Emilee’s recovery was truly heartwarming.”

Dr Kirsten Jackson

Meet the Author

Dr Kirsten Jackson is the Owner and Director of Dental Vet and is passionate about her craft, treating every patient with the time, care and consideration she would give her own.

She is dedicated to improving the comfort and wellbeing of horses and other equine patients through advanced, preventative and compassionate dental care.

Key Takeaways

Donkeys and horses often hide oral discomfort, even subtle changes can indicate serious disease.

Periodontal disease progresses quickly and can lead to tooth loss, sinus infection, or even bone infection if untreated.

Functional orthodontics can help realign deviated teeth and prevent further disease.

Early detection and regular checkups are critical for long-term oral health and comfort.

Advice for Owners

If your horse or donkey drops feed, forms “quids,” or seems sensitive around the face, these could be signs of dental pain or infection, however the most common sign of all dental disease is no sign at all. Most will continue to eat despite considerable oral pain. Regular dental checkups, and early intervention, are essential to prevent the progression of periodontal disease and maintain a healthy, comfortable mouth.

FAQs

Do I need a referral?

No referral needed. In fact, we love to see your horse before any issues arise. Preventative dental care keeps your horse’s mouth healthy, so don’t put off going to the dentist. We do also accept referrals from veterinarians for advanced procedures, and will happily work with your vet to keep care seamless.

How do I book an appointment?

You can contact us directly to arrange an appointment on our online booking form or by emailing us at reception@dentalvet.com.au. Alternatively you can call (08) 9397 1286. We also work closely with referring veterinarians, sharing records and updates so your horse receives continuous care.

What’s included in a Dental Vet dental exam?

Every Dental Vet appointment is designed to give your horse a thorough, comfortable, and evidence-based dental assessment. Our experienced veterinarians take the time to thoroughly examine your horse, supported by our nursing team to ensure each visit runs smoothly.

Your horse’s appointment includes:

  • A physical examination, including listening to the abdomen for signs of sand.
  • A seven-point external head assessment to check for changes linked to dental disease.
  • A comprehensive oral examination using a speculum, lights, and endoscopy to assess all teeth and oral tissues.
  • Treatment of periodontal disease, if necessary (additional fee may apply for extensive treatment).
  • Floating and corrective work, including reduction of sharp points and overgrowths, plus a performance float for bitted horses.
  • Discussion of findings, next steps, as well as a dental chart emailed to you with home-care recommendations, so you understand each step.
  • Optional bit fit assessment if you have bitting concerns.

Does Dental Vet accept pet insurance?

Yes, many equine insurance policies cover advanced veterinary dental treatment when performed by a registered vet. However, it’s always advisable to contact your pet insurer and check on your policy inclusions before the appointment.

What symptoms might indicate that my horse has a dental problem?

Horses are prey animals and instinctively mask their pain and discomfort, which means dental disease often goes unnoticed until it’s advanced. The signs can be extremely subtle, even the colour of the dentin overlying a 2mm pulp on the surface of the tooth can indicate whether a tooth is healthy or abscessed. By the time symptoms are noticeable, the problem may already be severe and require more extensive (and costly) treatment.

That’s why regular professional dental checks are so important, even if your horse seems completely normal.

If your horse shows any of the signs below, please contact us for a diagnostic examination as soon as possible:

  • Dropping feed or slow eating
  • Bit resistance or head tossing
  • Weight loss or difficulty maintaining condition
  • Nasal discharge or foul breath
  • Quidding (spitting out half-chewed hay)
  • Chewing on one side only
  • Dunking feed or rinsing mouth in water trough
  • Facial swelling or sensitivity to touch

What is your sedation policy?

Our patients are given a light, controlled sedation for their dental procedure. This keeps them calm and comfortable and ensures we can do a thorough examination, diagnostics and treatment. During our detailed examinations we assess over 140 pulp cavities, as well as infundibula and all dental and soft tissue structures with precision, while protecting both horse and handler. Each horse is individually assessed before sedation, and reversing agents and emergency medications are always on hand.

Whether you've got a new foal, referring a patient for review, or are worried about your horse's wellbeing, we're here to help!