Pre Fab vs. Custom Abutments?
Maria asks:
Hi,
I am just going to start the whole process of an implant. I would like to know if there is much of a difference between the custom abutment and the prefab abutment. I know the first difference is the price, but what about quality?
Thank you very much for your great help.
Hi Maria
There is no difference in the quality of the two type of abutments. The only difference is that some dentists and dental laboratories prefer custom abutments and some prefer prefab-abutments (abutments that are made to fit using standard size and angulations).
In some instances, prefab abutments are not indicated for use. For example, if you are having multiple implant restored across the upper or lower jaw, custom abutments may be better.
In my office, we prefer to use a prefab abutment when there will be no compromise to aesthetics or function.
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prefab vs. custom abutment
Actually, there can be quite a difference between the two types of abutments. In a prefab abutment, some modification can be done, but it is not truly customized to the individual situation. Since the gum level is not a uniform height all around the implant, some areas of the edge of the abutment may be deep under the tissue. There is more and more information coming out that shows that when the final crown margin is too far below the gum line it is more difficult to clean the cement out and this can potentially lead to gum inflammation and bone loss. By using a custom abutment, the crown margin can be placed precisely, just below the gum level, so the cement can be dependably removed. Also, there is not that great a cost difference between a stock (prefab) abutment that is shaped by the technician since the technician charges for the modification on top of the abutment cost. The small additional charge for a custom abutment and its accuracy is well worth it when you consider the overall cost of an implant restoration.
Michael W. Johnson DDS, MS
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