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Author:

Fei Xiuzhi (Fei Xiuzhi.) | Wang Zeyang (Wang Zeyang.) | Zhong Wei (Zhong Wei.) | Li Yinglou (Li Yinglou.) | Miao Yanyu (Miao Yanyu.) | Zhang Longbo (Zhang Longbo.) | Jiang Yuegui (Jiang Yuegui.)

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PubMed SCIE EI Download Full text

Abstract:

This study was to compare the influence of glass fiber post placement and crown restoration on endodontically treated maxillary first premolars with severe NCCLs using three-dimensional finite element analysis and fracture resistance testing. G1, intact teeth. G2, teeth with artificial defect. G3, composite resin (CR). G4, CR and fiber post in buccal canal (FPB). G5, CR and fiber post in palatal canal (FPP). G6, CR and fiber posts in buccal and palatal canals (FPBP). G7, CR and crown (C). G8, CR, FPB, C. G9, CR, FPP, C. G10, CR, FPBP, C. Teeth in G2, G3, and G5 showed a similar stress concentration at the tip of the defect. The fracture resistance of G2 did not differ significantly from G3 and G5 (p>0.05) but differed significantly from that in other groups (p<0.05). The fractures in G4 were more favorable, and the difference of those in G1 from those in G7, G8, G9, and G10 was statistically significant (p<0.05). Restoration of root-filled maxillary premolars with severe NCCLs using fiber post in the buccal canal may be more efficacious than other restoration methods.

Keyword:

Fracture resistance Maxillary first premolar Pulp perforation Three-dimensional finite element analysis Wedge-shaped defect

Author Community:

  • [ 1 ] [Zhang Longbo]Department of Prosthodontics, College of Stomatology, Xi'an Jiaotong University.
  • [ 2 ] [Wang Zeyang;Zhong Wei]Department of Mechatronic Engineering, College of Mechanical Engineering, Xi'an Jiaotong University.
  • [ 3 ] [Fei Xiuzhi;Li Yinglou;Miao Yanyu;Jiang Yuegui]Department of Endodontics, College of Stomatology, Xi'an Jiaotong University.

Reprint Author's Address:

  • Xi An Jiao Tong Univ, Coll Stomatol, Dept Endodont, Xian, Shaanxi, Peoples R China.

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Source :

Dental materials journal

ISSN: 1881-1361

Year: 2018

Issue: 5

Volume: 37

Page: 789-797

1 . 4 2 4

JCR@2018

2 . 1 0 2

JCR@2020

ESI Discipline: CLINICAL MEDICINE;

ESI HC Threshold:114

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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