Dental Crown is Too Small: What are My Options?


Bob, from Miami, asks:

The crown that was made for dental implant turned out to be too small. The dentist tried to take the screw out and it broke. Now the periodontist is suggesting that all that can be done is to make a bridge with the adjoining teeth. Do I have any other options? What do you think? Thanks.

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Expert Advice and Comments
tgrossman's picture

Broken Abutment Screw

Answered By: Dr. Theodore M. Grossman - Aventura , FL

Hi Bob
A broken abutment screw is unfortunate, but may not preclude a solution. I have successfully used an instrument, designed to engage and back the screw out on several occassions. It attaches to a standard slow speed dental handpiece. Many implant companies offer similar instruments.
A new titanium or gold screw is then used to secure the abutment and an appropriately sized crown fabricated.


Theodore M Grossman DMD
Oral & Maxillofacial Surgery
(305) 466-1804

Dr. Theodore M. Grossman

cboudet's picture

Crown on implant broke: What are My Options?

Answered By: Dr. Carlos Boudet - West Palm Beach , FL

Dear Bob:
Several things can break with an implant supported crown. The crown itself, the screw holding the post, or the implant.
The only way that you would not be able to redo the crown on an implant is if the implant itself broke.
If that is the case, a bridge using the adjacent teeth is the easiest way to take care of the problem.
If the adjacent teeth are in good shape, it might be better to remove the implant and replace it with another one, but removing an osseointegrated implant can be hard to do, and bone grafting may be necessary afterwards.
I do not have the clinical details of your case, but your periodontist should be able to explain your options in detail as they relate to your particular case.
Good luck!

Carlos A. Boudet, DDS, DICOI

drkazemi's picture

small crown and broken screw on implant

Answered By: Dr. H. Ryan Kazemi - Bethesda , MD

There are certainly several ways to remove the broken screw and revive the implant.If this is not possible, then I recommend to remove the implant and place a new one after a couple of months. This way you can avoid the bridge which was the rational, and the right decision, from the beginning.

Dr. Kazemi

Dr. H. Ryan Kazemi

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