E-ISSN 0976-2833 | ISSN 0975-3583
 

Research Article 


Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen.

Abstract
Objective: This study aims to examine the resistance to fracture of the front
endocrown to post-cronial restauration.
Materials and Methods: For this investigation, thirty caries-free removed human
maxillary canines with complete root development were chosen. In addition, IPS
e.max press and Celtra Press ceramics were used. Thirty samples were made and
separated into two groups (15 samples each) based on the ceramic type used. Then,
depending to the kind of restorations, each grouping was separated into three
subgroups (5 samples each): Endocrown 6 mm, Endocrown 10 mm, and Post +core
+crown. In an automated thermocycling equipment, all specimens were treated to a
thermocycling method. The samples were thermocycled for 5000 cycles at
temperatures ranging from 5 to 55 degrees Celsius, with a dwell time of 15 seconds.
For a fracture resistance test, each sample was separately mounted on a computercontrolled
materials testing machine. Following the fracture resistance test, all
specimens in the test groups were viewed using a USB digital microscope with a
magnification of x35, and the images were captured and transferred to an IBM
personal computer running Image-tool software (Image J 1.43U, National Institute of
Health, USA) to determine the failure mode pattern.
Results: With regard to the test for fracture resistance, the results of this study have
shown that no statistically significant distinction exists between IPS e.max press
(235.54N) and Celtra press values for medium fracture resistance (235.98N), both
with statistically significantly insignificant resistance to fractures. The results
obtained in this study showed that the restoration of the endocrowns and the post &
core & crown are not significantly different. Although the fracture resistance values
were higher in endocrowns than those of post & core & crown. There was also a
considerable variance between restaurants with various designs of the endocrowns.
Although the resistance to fracture was better in endocrines (10 mm) than indocrowns
(6 mm), the surface area may increase.

Key words: Endodontically Treated Teeth, Fiber Post , Endocrown ,Celtra, E.max.


 
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Pubmed Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. J Cardiovasc. Dis. Res.. 2021; 12(6): 138-156. doi:10.31838/jcdr.2021.12.06.20


Web Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. http://www.jcdronline.org/?mno=129954 [Access: October 04, 2021]. doi:10.31838/jcdr.2021.12.06.20


AMA (American Medical Association) Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. J Cardiovasc. Dis. Res.. 2021; 12(6): 138-156. doi:10.31838/jcdr.2021.12.06.20



Vancouver/ICMJE Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. J Cardiovasc. Dis. Res.. (2021), [cited October 04, 2021]; 12(6): 138-156. doi:10.31838/jcdr.2021.12.06.20



Harvard Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen (2021) Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. J Cardiovasc. Dis. Res., 12 (6), 138-156. doi:10.31838/jcdr.2021.12.06.20



Turabian Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. 2021. Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. Journal of Cardiovascular Disease Research, 12 (6), 138-156. doi:10.31838/jcdr.2021.12.06.20



Chicago Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. "Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study." Journal of Cardiovascular Disease Research 12 (2021), 138-156. doi:10.31838/jcdr.2021.12.06.20



MLA (The Modern Language Association) Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen. "Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study." Journal of Cardiovascular Disease Research 12.6 (2021), 138-156. Print. doi:10.31838/jcdr.2021.12.06.20



APA (American Psychological Association) Style

Manar Al-Fadhli, Hesham Katamich, Cherif Mohsen (2021) Fracture Resistance of Anterior Endocrown Vs Post Crown Restoration: An Invitro –Study. Journal of Cardiovascular Disease Research, 12 (6), 138-156. doi:10.31838/jcdr.2021.12.06.20





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