الفهرس 
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Abstract
Mechanical compatibility with the human dentin is a considerable
issue when fabricating dental fiber posts. To this purpose, this study
introduces a new method of fabricating compatible dental posts using
braiding techniques of thermoplastic fibers (matrix) with glass fibers
(reinforcement). Fifty fiber-reinforced composite (FRC) posts of
thermoplastic yarns braided with continuous filaments glass fibers
(GFs) for reinforcement, varying in fiber volume fraction (FVF), and
core types are fabricated and tested. Posts are performed using a
braiding machine, and braids are placed in an aluminum mold. The
filled mold is placed inside an oven at the melting temperature of the
polypropylene to produce the final post’s shape. An ultrasonic test is
conducted to measure the shear modulus and Young’s modulus of FRC
post specimens by measuring the velocities of both the P-wave and Swave. In order to ensure the accuracy of the measurements, each
sample is measured three times, and then the means and standard
deviations of each sample are calculated before analyzing the test
results using the means of two steps, namely, clustering and comparing
the P and R² values of each cluster, which revealed that FVF, fiber
mass, and core type of the specimen had a significant effect on the
resulted Young’s and shear modulus. The results indicate that the
proposed method can fabricate competitive dental posts with regard to
different fabricating variables. The samples show Young’s modulus
ranges of from 10.08 GPa to 31.83 GPa. The following tested
hypothesis is supported: the braiding technique of thermoplastic fibers
with glass fibers will improve the mechanical compatibility of the
resulting posts (ex vivo)