When Ceramic Debonds: Part 2

September 6, 2017 Lee Ann Brady DMD

Click Here for When Ceramic Debonds: Part 1

A Methodical Process for Examining the Frustrating Reasons Behind Why

One of the most disheartening and emotionally upsetting situations is when a ceramic restoration debonds. Our ability to act constructively in the moment is key to our future case success.

In Part 1 of this series, I explained why it’s important to acknowledge your frustration without letting it control you. I also outlined the beginning of a methodical thought process that will help you figure out why ceramic debonds.

The following steps assume you’ve already looked at the resin and determined if the ceramic was prepared, cleaned, or conditioned properly.

Completing Your Investigative Process When Ceramic Debonds

You have a different set of explanations for what happened if all of the resin cement is on the ceramic and the tooth is clean.

Clean the tooth thoroughly to remove all trace of the temporary cement. The issue may have occurred when the enamel and dentin were etched, regardless of whether you used a total etch or a self etch technique.

Next, ask yourself about the amount of enamel you have versus the amount of dentin. This involves taking a second look at the prep, because secondary dentin can be quite problematic when bonding.

Another area you may need to reconsider is your technique for dentin adhesive. Did you accurately follow the steps? Could poor isolation have led to a contaminated tooth during the process?

Lastly, sometimes there is some resin on the tooth and some on the ceramic. In this case when resin is in both places, you can benefit from rethinking the occlusal forces on the tooth and the functional design. Your patient may have higher functional risk or you might have lacked complete precision while adjusting the final occlusion. A good clue that you’ll find resin on the tooth and the ceramic is if it fails under load.

You can better target your problem solving and decrease the risk of the same technical issue recurring in the future by identifying where the resin is located. Follow the thought process in this series and you’re well on your way to smoother cases.

How do you respond when ceramic debonds? Please let us know your thoughts in the comments!

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Lee Ann Brady DMD

Dr. Lee Ann Brady is passionate about dentistry, her family and making a difference. She is a general dentist and owns a practice in Glendale, AZ limited to restorative dentistry. Lee’s passion for dental education began as a CE junkie herself, pursuing lots of advanced continuing education focused on Restorative and Occlusion. In 2005, she became a full time resident faculty member for The Pankey Institute, and was promoted to Clinical Director in 2006. Lee joined Spear Education as Executive VP of Education in the fall of 2008 to teach and coordinate the educational curriculum. In June of 2011, she left Spear Education, founded leeannbrady.com and joined the dental practice she now owns as an associate. Today, she teaches at dental meetings and study clubs both nationally and internationally, continues to write for dental journals and her website, sits on the editorial board of the Journal of Cosmetic Dentistry, Inside Dentistry and DentalTown Magazines and is the Director of Education for The Pankey Institute.

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