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Updated: Jun 25, 2025
A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
Published on: January 28, 2020
Freehand versus computer-guided implant placement: early implant failures in a case-control study
Objective:
To evaluate the survival of fully guided implants placed with a hollow tooth-supported computerized surgical guide (TSSG).
Method And Materials:
This retrospective study included 94 patients who underwent implant placement using freehand or TSSG by the same operator between 2015 and 2020. Early implant failures occurring within 1-year post-rehabilitation were assessed.
Results:
In the study, two types of implants were placed using two different techniques: TSSG and freehand. The TSSG group consisted of 84 S implants and 100 LP implants, and the freehand group included 90 S implants and 94 LP implants. The results showed that more implants survived when placed freehand compared to TSSG (181 [98.4%] vs 172 [93.5%], respectively, P .05). The only significant factor affecting the success rate was the type of implant, with LP implants having a higher survival rate in the TSSG group (P .05).
Conclusion:
Surgeons should consider the impact of implant type on survival rates when utilizing the TSSG system.
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