Crown Amputation for Tooth Resorption

Have you discussed crown amputation with intentional root retention when considering the extraction of your pet’s teeth? This procedure may be suitable in specific cases during dental treatment.

AAD-Crown Amputation with Intentional Root Retention

Crown Amputation with Intentional Root Retention for Tooth Resorption

Crown amputation with intentional root retention is most commonly performed in pets with tooth resorption, a condition frequently observed in older cats and increasingly seen in aging dogs.

While the exact causes of tooth resorption are not fully understood, the process involves specialised cells called odontoclasts.

These cells, which normally resorb the roots of deciduous teeth before they fall out, become reactivated later in life and begin to erode the roots of permanent teeth.

This type of resorption can cause pain and discomfort, making treatment of affected teeth necessary in most cases.

“Crown amputation isn’t about avoiding treatment — it’s a targeted way to remove pain while protecting healthy bone.”

Diagnosing & Treating Tooth Resorption

Tooth resorption comes in various forms, and differentiating these types requires dental radiographs. Radiographs are crucial for accurate diagnosis and treatment planning and should always be performed.

In cases where the tooth is being replaced by bone and the periodontal ligament is lost, standard extraction may not be feasible, especially if there is no inflammation or infection.

In such instances, crown amputation might be a suitable option.

During this procedure, the tooth’s crown is removed while leaving the root material behind. The extraction site is then sutured closed, allowing the remaining root to potentially be replaced by bone over time.

“When the painful crown is removed, most pets heal quickly and return to eating comfortably.”

Benefits & Follow-Up for Crown Amputation

Crown amputation is less invasive than attempting to extract a tooth root that has been invaded and replaced by bone. When appropriately selected, this procedure has a low risk of complications.

We recommend follow-up dental radiographs every 6-12 months for patients with tooth resorption and those who have undergone crown amputation.

These radiographs help ensure that the crown-amputated roots are healing properly and that no new signs of tooth resorption are developing in other teeth.

Meet the Author

Aaron Forsayeth

BVSc (Hons) MACVSc (Veterinary Dentistry)

Hi, I’m Dr Aaron Forsayeth, and I’ve had quite the journey in veterinary medicine. Originally, I never imagined myself pursuing dentistry.
I spent my initial years in general practice until a chance meeting with Dr Gary Wilson changed my career path. He inspired me to explore veterinary dentistry, and together, we co-founded Advanced Animal Dentistry in 2006. It’s ironic, considering I used to dread dental procedures, but with the right knowledge and skills, it became a passion that I absolutely love to this day.

FAQs

What exactly is a crown amputation and when might it be recommended for my pet?

Crown amputation is a dental procedure in which the visible crown of a problematic tooth is surgically removed while intentionally leaving the roots in place. It’s often recommended for teeth affected by severe resorption where the root has been replaced by bone, and a standard extraction would be difficult or damaging.

Why wouldn’t my vet just extract the whole tooth instead of doing a crown amputation?

Some teeth — especially in cats — are so affected by resorptive disease that the roots are fused with surrounding bone. In these cases, trying to extract the root can cause trauma or complications. Crown amputation allows the painful portion of the tooth (the crown) to be removed with less risk of complications.

Is crown amputation painful for my pet, and how is pain managed during and after the procedure?

Your pet will be under general anaesthesia during the procedure, ensuring they feel no pain at all. Afterwards, veterinarians will use pain medications, anti-inflammatory drugs, and close monitoring to keep your pet comfortable as they recover.

How will I know if the crown-amputated area is healing properly?

Follow-up exams and periodic dental radiographs every 6–12 months are recommended so your vet can monitor healing and make sure the retained roots are being replaced by bone or remain stable over time.

Will my pet be able to eat normally after a crown amputation?

Yes — once the surgical site heals, most pets return to eating comfortably, especially because the painful portion of the tooth has been removed. Healing time varies by individual, but proper post-operative care and soft food initially can help with comfort.

Key Takeaways

Crown amputation is a pain-relieving, evidence-based dental procedure

It’s used when diseased tooth roots are fused to the jawbone, making full extraction risky or unnecessary.

The aim is to relieve pain while allowing proper healing

Only the painful crown is removed, while the remaining roots are monitored to ensure healthy bone replacement over time.

Anaesthesia and post-operative care keep pets comfortable

Pain management is carefully managed during and after the procedure, supporting a smooth recovery.

Most pets return to normal eating quickly

Once healing begins, pets typically eat comfortably and benefit from reduced oral pain and inflammation.

Next steps

For Pet Owners

Are you concerned about your pet’s dental health? Call 1300 866 848 or fill out the contact form. We’ll coordinate with your primary vet to ensure the best outcome.

For Vets & Nurses

We’re here to help. If you’d like to refer a patient, please call us at 1300 866 848 , complete the referral form or email us with a brief case summary, relevant radiographs and lab results.

For advice and treatment guidance, email us with a brief case summary, relevant radiographs and lab results.

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