Volume 21 Issue 9
Sep.  2023
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Article Navigation >  Chinese Journal of General Practice  > 2023  >  21(9): 1487-1490
HONG Xiao, ZHAN Zhaojun, CHEN Yongfeng, LIAO Shengkai, ZHOU Jing. Application of tooth supported guide plate combined with navigation technology in the treatment of mandibular fracture[J]. Chinese Journal of General Practice, 2023, 21(9): 1487-1490. doi: 10.16766/j.cnki.issn.1674-4152.003152
Citation: HONG Xiao, ZHAN Zhaojun, CHEN Yongfeng, LIAO Shengkai, ZHOU Jing. Application of tooth supported guide plate combined with navigation technology in the treatment of mandibular fracture[J]. Chinese Journal of General Practice, 2023, 21(9): 1487-1490. doi: 10.16766/j.cnki.issn.1674-4152.003152
shu

Application of tooth supported guide plate combined with navigation technology in the treatment of mandibular fracture

doi: 10.16766/j.cnki.issn.1674-4152.003152
  • 1.

    Department of Stomatology, the First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China

Funds:

 2021byzd125

 GXXT-2020-021

  • Received Date: 2022-09-23
    Available Online: 2023-10-19
    Abstract
  •   Objective  To compare two methods of open incision and internal fixation for mandibular fractures and to explore the application value of tooth-supported guidesin combination with navigation technology.  Methods  Sixty patients with mandibular fracture admitted to the Department of Stomatology, the First Affiliated Hospital of Bengbu Medical College from January to June 2022 were selected, excluding multiple injuries of the whole body. According to the random number table, they were divided into A group and B group, with 30 cases in each group. Three-dimensional maxillofacial CT and oral panoramic films were taken before and one week after surgery. The operation was performed by a chief surgeon, and the data analysis and navigation software was AccuNavi-A 2.1. The patients in group A were treated with open incision and internal fixation guided by tooth support template combined with navigation, and the patients in group B were treated with traditional open incision and internal fixation. The maximum and average deviation distance between the two images were measured by fitting the three-dimensional CT images of the maxillofacial region after surgery and the preoperative and postoperative simulated reduction. The patients were reviewed 3 months after surgery to evaluate the therapeutic effect of the two methods.  Results  The operation of the two groups was successfully completed, with good postoperative wound healing, normal facial shape and occlusal relationship, and no complications occurred. In group A, the maximum deviation was (1.47±0.18) mm and the average deviation was (1.09±0.12) mm after fitting the preoperative simulation design and postoperative reconstruction images. In group B, the maximum deviation distance was (3.05±0.40) mm, and the average deviation distance was (2.57±0.28) mm. The maximum deviation value and mean deviation value of group B were greater than those in group A, and the difference was statistically significant (all P < 0.05). At 3 months after operation, the function and physical evaluation of patients in both groups was excellent.  Conclusion  Compared with the traditional open incision and internal fixation, the open incision and internal fixation of mandibular fracture guided by tooth supported guide plate and navigation technology can shorten the operation time, improve the accuracy of the operation, with good clinical treatment effect, and has the value of promotion.

     

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