Purpose: This study aimed to assess the accuracy and precision of prosthetically-driven
implant placement achieved through static computer-aided implant surgery. The primary
objective was to analyze the linear and angular deviations of dental implants in patients
treated at a university dental clinic. Various types of surgical techniques and templates
were utilized to optimize implant positioning. Materials and Methods: A total of fiftythree
dental implants were included in this study. The implants were positioned using
either tooth-supported templates or tooth-tissue-supported templates with fixation pins.
Two distinct guided surgery approaches were used, these being pilot drill guided and
fully guided. Three-dimensional (3D) data from the implant planning phase was
superimposed with the 3D data from the final implant positions using the ‘Treatment
Evaluation’ tool within CoDiagnostix. implant planning software (Straumann AG).
This enabled the automatic calculation of deviations in implant placement accuracy.
Results: Average angular deviation observed was 3.90 degrees. For linear deviations,
the mean 3D deviation at the most coronal point of the implants was 1.04 mm, while at
the implant apex it was 1.56 mm. Conclusion: This research demonstrates the
feasibility of a digital workflow for guided implant surgery, offering a promising
treatment option. Nonetheless, it is important to note that deviations do occur, with the
apical region of the implant being the most affected area. Care should be taken,
particularly in cases of limited bone availability.