Advanced International Journal for Research

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Comparison of Fracture Resistance of Conventional Full Crowns with Endocrowns on Endodontically Treated Teeth: an In-vitro Study

Author(s) Dr. Sri Harsha Tummala, Dr. Bhargavi Preeti Kapa
Country India
Abstract AIM: The goal of this in-vitro study was to evaluate the resistance to fracture of conventional full crowns versus Endocrowns placed on root canal treated teeth.(endodontically treated teeth)
MATERIALS AND METHODOLOGY: A total of thirty-six extracted human`s permanent mandibular molars were randomly assigned to four groups with nine specimens each. Group-1 included Conventional Metallic crowns (CMC), Group-2 included Conventional Porcelain Fused Metallic crowns (CPFMC), Group-3 comprised Complete Metallic Endocrowns (FME), and consisted of Porcelain Fused Metallic Endocrowns (PFME).
Before conducting the mechanical fracture test, teeth roots were encapsulated with a thin polyether impression material layer measuring 0.2 mm, after which the samples were embedded in an auto-polymerizing acrylic resin block up to the cemento-enamel junction (CEJ) level.
RESULTS: Samples underwent fractured deformation under compressive-axial load applied on functional cuspal inclination. The recorded values marked as maximum compressive-axial load for each tooth sample collected during evaluation. Resulting data was organized into tables and evaluated statistically using unpaired t-test, one-way ANOVA with post-hoc Bonferroni correction which demonstrated a strong statistically significant difference among all the groups (p value ? 0.001*).
CONCLUSION: The present study concluded that Endocrowns had exhibited minimum internal stress distribution and maximum fracture resistance and were in restorable state as opposed to conventional crowns.
Keywords Endocrowns; teeth with root canal therapy; fracture resistance, endodontically treated teeth.
Field Medical / Pharmacy
Published In Volume 6, Issue 4, July-August 2025
Published On 2025-08-16
DOI https://doi.org/10.63363/aijfr.2025.v06i04.1108
Short DOI https://doi.org/g9zxrc
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