Volume 19 Issue 7
Jul.  2021
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Article Navigation >  Chinese Journal of General Practice  > 2021  >  19(7): 1125-1127,1154
WANG Yan, WANG Jing-xiao, GUO Qian-qian, CHEN Bin, LUO Jia, LYU Yi-min, ZHOU Chang-long. Clinical effect and imaging analysis of disc anchor surgery for anterior disc displacement without reduction[J]. Chinese Journal of General Practice, 2021, 19(7): 1125-1127,1154. doi: 10.16766/j.cnki.issn.1674-4152.002001
Citation: WANG Yan, WANG Jing-xiao, GUO Qian-qian, CHEN Bin, LUO Jia, LYU Yi-min, ZHOU Chang-long. Clinical effect and imaging analysis of disc anchor surgery for anterior disc displacement without reduction[J]. Chinese Journal of General Practice, 2021, 19(7): 1125-1127,1154. doi: 10.16766/j.cnki.issn.1674-4152.002001
shu

Clinical effect and imaging analysis of disc anchor surgery for anterior disc displacement without reduction

doi: 10.16766/j.cnki.issn.1674-4152.002001
  • 1.

    Department of Stomatology, Lihuili Hospital of Ningbo Medical Center, Ningbo, Zhejiang 315000, China

Funds:

 2017C33168

  • Received Date: 2020-10-11
    Available Online: 2022-02-16
    Abstract
  •   Objective  To investigate the clinical effect and imaging analysis of disc anchor surgery (DA) in the treatment of anterior disc displacement without reduction (ADDWR).  Methods  Total 195 patients (220 lateral joints) with ADDWR were selected in our hospital from January 2014 to December 2018. Opening degree, visual analogue scale (VAS) and MRI findings were analyzed, and performed a long-term follow-up. MRI was reviewed regularly to assess the location of the joint disc and changes in the condylar bone.  Results  The average opening degree before surgery was (17.63±3.31) mm and (37.63±2.30) mm one month after surgery, 3 months post-surgery mean opening degree was (38.03±2.65) mm and 6 months was (38.23±2.20) mm. VAS before surgery was 31.26(12.91, 49.61), and 7.72(0.81, 14.63) one month after surgery, 6.69(1.08, 12.31) three months after surgery, and 5.65(0.13, 11.17) in six months post-surgery, there was significant difference of opening degree and the VAS between preoperative and post treatment (all P < 0.05). One month after surgery, MRI showed all displaced discs were reset, and after a follow-up of 12-72 months (30.12 months on average), MRI showed that 95.91% (211/220) of the discs were in good position, compared with 4.09% (9/220) of the anterior discs. Some condyles bone had new bone formation[76.82% (169/220)], 20.00% (44/220) had no bone changes, and 3.18% (7/220) had bone resorption.  Conclusion  DA can effectively treat the ADDWR and the articular disc position after surgery set stable, can significantly improve the opening degree, relieve pain and stimulate condylar bone regeneration.

     

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