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Accuracy of Zygomatic Implant Placement Using Task-Autonomous Robotic System or Dynamic Navigation: An In Vitro

Jinyan Chen1,2,3,4,5,6, Baoxin Tao1,2,3,4,5,6, Xinbo Yu1,2,3,4,5,6

  • 1Department of Second Dental Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Clinical Oral Implants Research
|October 23, 2024
PubMed
Summary

Task-autonomous robot-assisted implant surgery (RAIS) demonstrated superior accuracy in zygomatic implant placement compared to dynamic computer-assisted implant surgery (dCAIS). RAIS significantly reduced angular and deviation errors, enhancing surgical precision.

Keywords:
dental implantsdynamic navigationtask‐autonomy robotzygomatic implant

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Robotics in Medicine
  • Dental Implantology

Background:

  • Zygomatic implant (ZI) placement in atrophic maxillas presents surgical challenges.
  • Computer-assisted surgery aims to improve implant placement accuracy.
  • Task-autonomous robot-assisted implant surgery (RAIS) and dynamic computer-assisted implant surgery (dCAIS) are emerging techniques.

Purpose of the Study:

  • To compare the accuracy of RAIS and dCAIS for zygomatic implant placement.
  • To evaluate deviations in angular and linear parameters between planned and placed ZIs.
  • To determine which system offers superior precision in zygomatic implant surgery.

Main Methods:

  • Ten atrophic maxilla models were used, with 20 ZIs placed.
  • Models were randomly assigned to either the RAIS or dCAIS group.
  • Osteotomies and implant placements were guided by the respective systems, with deviations measured and statistically analyzed.

Main Results:

  • RAIS showed significantly lower mean angular deviation (0.92° ± 0.40°) compared to dCAIS (2.03° ± 0.53°, p < 0.001).
  • Coronal deviation was also significantly lower with RAIS (0.48 mm ± 0.25 mm) versus dCAIS (1.29 mm ± 0.46 mm, p < 0.001).
  • Apical deviation favored RAIS (0.88 mm ± 0.28 mm) over dCAIS (1.96 mm ± 0.46 mm, p < 0.001).

Conclusions:

  • Task-autonomous RAIS is more accurate than dCAIS for computer-guided zygomatic implant placement.
  • RAIS offers enhanced precision, potentially improving outcomes in complex implant surgeries.
  • The findings support the adoption of RAIS for improved accuracy in zygomatic implantology.