Evaluating Crown Integrity After Endodontic Access Preparation

By: Lee Ann Brady, DMD
This topic originally appeared on PankeyGram.Org. Dr. Brady granted igniteDDS permission to share with our readers.


When a patient requires a root canal treatment through an existing dental crown, how do you approach the conversation? Setting clear, realistic patient expectations is essential to maintaining trust and satisfaction.

Hereโ€™s how I address this common yet delicate scenario.


Managing Patient Expectations Before Doing Access Opening in a Crown

One of the first things I usually explain to my patients is that their dental crown may not survive the root canal treatment. While we hope for the best, I want them to understand that the endodontist might recommend replacing the dental crown immediately after theย endodontic therapy. If the crown does survive and the underlying tooth structure remains intact, we can often fill the access opening.

However, anytime an access opening is made in a dental crown, its lifespan is compromised.


What Patients Should Expect After Root Canal Treatment

I emphasize that outcomes vary based on the procedure and the condition of the tooth and restoration. The possibilities include:

Immediate dental crown replacement if it cannot be preserved.

A filling in the access opening of the crown to restore function and aesthetics, but with the understanding that its longevity is reduced.

I make it clear that even if the dental crown is restored successfully, it will eventually require replacement.


The Lifespan of a Crown after Endodontic Therapy

Patients often ask how long the dental crown will last after the procedure. While providing an exact timeline is impossible, I explain that it could be as short as a month or extended for several years. Whatโ€™s critical is preparing them for the eventual need for replacement in the future.

To avoid surprises, I document this conversation thoroughly in their chart. Patients may not recall every detail years later, but they often remember the general message:

โ€œThis dental crown will likely need replacement in the future.โ€


When the Re-Treatment Time Comes

When the crown eventually reaches the end of its lifespan, well-informed patients respond much more positively.

They frequently say things like:

โ€œI was wondering how long it would last.โ€

โ€œIโ€™m not surprised.โ€

Instead of feeling blindsided, they appreciate the effort of preserving the dental crown and understand the limitations imposed by the access opening procedure and endodontic therapy. This proactive communication fosters trust and satisfaction, ensuring patients feel cared for even when faced with the need for additional treatment.


Why This Matters

Root canal treatment procedures on crowned teeth are a testament to the balance between managing functional treatment challenges and esthetic patient expectations. Clear, empathetic communication helps patients appreciate the steps taken to extend the dental crownโ€™s usefulness, even if its longevity is compromised.

By setting realistic patient expectations and documenting the discussion, we safeguard patient trust and enhance the overall treatment experience.

Dr. Lee Ann Brady

Dr. Lee Ann Brady

Dr. Lee Ann Brady lives in Phoenix, Arizona with her husband Kelly and three children Sarah, Jenna and Kyle. She owns Desert Sun Smiles Dental Care, a private restorative practice in Glendale, Arizona. Outside of her private practice, Dr. Brady is the Director of Education for The Pankey Institute, recognized for hands-on education programs focused on occlusion and restorative dentistry. She is the founder and lead curator of Restorative Nation, a supportive learning community for dentists.