Volume 19 Issue 5
May  2021
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Article Navigation >  Chinese Journal of General Practice  > 2021  >  19(5): 767-770
CHEN Wen-li, XIE Xiao-fei, LIU Fang, TIAN Rui-xue, HUANG Yong-song, LI Jian-cheng. Clinical effect of onlay and fibre post-core crown in repairing tooth defect after root canal treatment[J]. Chinese Journal of General Practice, 2021, 19(5): 767-770. doi: 10.16766/j.cnki.issn.1674-4152.001912
Citation: CHEN Wen-li, XIE Xiao-fei, LIU Fang, TIAN Rui-xue, HUANG Yong-song, LI Jian-cheng. Clinical effect of onlay and fibre post-core crown in repairing tooth defect after root canal treatment[J]. Chinese Journal of General Practice, 2021, 19(5): 767-770. doi: 10.16766/j.cnki.issn.1674-4152.001912
shu

Clinical effect of onlay and fibre post-core crown in repairing tooth defect after root canal treatment

doi: 10.16766/j.cnki.issn.1674-4152.001912

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

Funds:

 KJ2019A0374

 BYKY2019019ZD

  • Received Date: 2020-11-12
    Available Online: 2022-02-16
    Abstract
  •   Objective  To compare the clinical efficacy of onlay and fibre post in repairing severe molar defects.  Methods  Patients with two to three axial walls left in molars after root canal treatment in the First Affiliated Hospital of Bengbu Medical College from January 2017 to December 2018 were selected as study subjects. Fifty-eight patients had 60 teeth, and they were randomly divided into onlay group and fibre post-core crown group. Modified USPHS was used to assess the fracture, abutment preservation, edge fitness, adjacency relationship and bleeding index at 6 and 12 months postoperatively.  Results  Six months during observation period, the tooth body integrity and restoration integrity for the onlay group and fibre post-core crown group were 100%. No difference was noted between the groups regarding the edge adaptability, syntopy and healthy gums. The pile nuclear crown and onlay were above A level for more than 90% and 95%, respectively. In the follow-up observation after 12 months, no difference was noted between the two groups in terms of evaluation indexes, restoration, integrity and gum health. In the post core crown group, the number of defects was large and the degree was serious.  Conclusion  In the restoration of severe molar defects, using all-porcelain onlay is more advantageous than the fibre post-core crown in the restoration of gingival health of adjacent teeth. It is worth popularizing and applying in repairing the large area defect of tooth body.

     

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