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.

 

 

Dental implantation planing with extensive defects on the lower jaw.

Dental implantation planing with extensive defects on the lower jaw.
Teeth 4.3 were used to fix the guide during the operation. To accurately determine the contours of the mucosa, CT was performed with a silicone impression in the patient’s mouth.
Later the same impression was used to obtain an optical scan.
Such a technique allows the most accurate comparison of tomography and optical scanning data.

Implantation and surgical guide are planned in the ImplaStation software.