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Automatic planning of maxillary anterior dental implant based on prosthetically guided and pose evaluation indicator

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International Journal of Computer Assisted Radiology and Surgery Aims and scope Submit manuscript

Abstract

Purpose

Preoperative planning of maxillary anterior dental implant is a prerequisite to ensuring that the implant achieves the proper three-dimensional (3D) pose, which is essential for its long-term stability. However, the current planning process is labor-intensive and subjective, relying heavily on the surgeon's experience. Consequently, this paper proposes an automatic method for computing the optimal pose of the dental implant.

Methods

The method adopts the principle of prosthetically guided dental implant placement. Initially, the prosthesis coordinate system is established to determine the implant candidate orientations. Subsequently, virtual slices of the maxilla in the buccal–palatal direction are generated according to the prosthesis position. By extracting feature points from the virtual slices, the implant candidate starting points are acquired. Then, a candidate pose set is obtained by combining these candidate starting points and orientations. Finally, a pose evaluation indicator is introduced to determine the optimal implant pose from this set.

Results

Twenty-two cases were utilized to validate the method. The results show that the method could determine an ideal pose for the dental implant, with the average minimum distance between the implant and the left tooth root, the right tooth root, the palatal side, and the buccal side being \(2.57\pm 0.53\) mm, \(2.59\pm 0.65\) mm, \(0.74\pm 0.19\) mm, \(1.83\pm 0.16\) mm, respectively. The planning time was less than 9 s.

Conclusion

Unlike manual planning, the proposed method can efficiently and accurately complete maxillary anterior dental implant planning, providing a theoretical analysis of the success rate of the implant. Thus, it has great potential for future clinical application.

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Acknowledgments

This work was supported by grants from National Key R&D Program of China (2017YFB1302901).

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Author notes

  1. Yuan Feng and BaoXin Tao contributed equally to this work.

Authors and Affiliations

  1. School of Mechanical Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Minhang District, Shanghai, 200240, China

    Yuan Feng, JiaCheng Fan, ShiGang Wang, JinQiu Mo & QingHua Liang

  2. Department of Second Dental Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

    BaoXin Tao & YiQun Wu

  3. College of Stomatology, Shanghai Jiao Tong University, Shanghai, China

    BaoXin Tao & YiQun Wu

  4. National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China

    BaoXin Tao & YiQun Wu

  5. Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China

    BaoXin Tao & YiQun Wu

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  1. Yuan Feng
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  2. BaoXin Tao
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Correspondence to YiQun Wu or QingHua Liang.

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The authors declare that they have no conflict of interest.

Ethical approval

This study was approved by the ethics committee of the Ninth People’s Hospital Affiliated with Shanghai Jiao Tong University, School of Medicine, Shanghai, China (SH9H-2022-T181-1), and was conducted according to the Helsinki Declaration of 1964, as revised in 2008.

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Feng, Y., Tao, B., Fan, J. et al. Automatic planning of maxillary anterior dental implant based on prosthetically guided and pose evaluation indicator. Int J CARS (2024). https://doi.org/10.1007/s11548-024-03142-x

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  • DOI: https://doi.org/10.1007/s11548-024-03142-x

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