Category: Cases & Articles

Non-standard use of the guide to remove the bridge prosthesis.

The patient came to the clinic with the unsatisfactory situation with the bridge prosthesis on implants. CT scan revealed the disintegration of one of the implants, which was the support of a massive non-removable structure.

Due to long-term use of cement fixation, it was not possible to remove the bridge by traditional methods.

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An example of using an x-ray contrast pattern.

This case shows a three-dimensional bone defect, in which, with the usual technique of tomography, it is impossible to align the STL surface. There are auxiliary methods using X-ray contrast patterns. One solution is to carry out a CT scan together with a silicone impression in the mouth.

The project is planned in the ImplaStation soft. The software allows you to perform the alignment of the STL-surface with CT using simple X-ray contrast patterns.

 

Without a silicone impression.

 

With a silicone impression.