Fracture Resistance of Anterior Endocrown vs Custom One Piece Post Crown (In vitro study) | ||||
| Egyptian Dental Journal | ||||
| Volume 71, Issue 3 - Serial Number 4, July 2025, Page 2457-2468 PDF (1.38 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/edj.2025.385417.3483 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Abd El Rahman Hamdy Abd El Azeez   1; shams waz 2; moustafa abdalla 3; Amna Taha Mohammed 4
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| 1Msc Student, Faculty of Dentistry, Minia University | ||||
| 2Associate Professor of Fixed Prosthodontics, Faculty of Dentistry, Minia University, Minia, Egypt. | ||||
| 3Lecturer of Fixed Prosthodontics minya university | ||||
| 4Lecturer of Fixed prosthodontics, Faculty of Dentistry, Assiut University, Assiut, Egypt. | ||||
| Abstract | ||||
| ABSTRACT Objective: to evaluate fracture resistance of anterior endocrown versus custom-made one-piece post crown (Hybrid Post Crown), which were fabricated from two different materials (Hybrid ceramics and Lithium disilicate ceramics). Materials and methods: Sixty freshly extracted upper central incisor teeth were selected; all root canals endodontically treated then divided into two main groups (30 samples each) according to the type of restoration used. The first group (E) was restored with Endocrown (n=30). The second group (P) restored with custom one-piece Post Crown (n=30). Each group was subdivided into two subgroups (15 samples each) according to the type of material used, Subgroup EG: anterior endocrown fabricated from grandioblocs. Subgroup EE: anterior endocrown fabricated from E-max, Subgroup PG: custom one-piece post crown fabricated from grandioblocs, Subgroup PE: custom one-piece post crown fabricated from E-max. Fracture resistance test was done to provide a compressive mode of load at angle 45 degree from long axis of the tooth to all specimens in a universal testing machine. A statistical analysis performed by SPSS 20 (Statistical Package for Scientific Studies, SPSS, Inc., Chicago, IL, USA) for Windows. Results: The highest mean value was recorded in Anterior endocrown fabricated from E-max (EE) (1396.98±93.97N), and the lowest mean value in Custom one-piece post crown made from Grandio blocs (PG) (913.86±116.09N) Conclusion: There is no statistically significant difference in the fracture resistance between anterior Endocrown and Monoblock post crown, restorations fabricated from E-max cad showed higher resistance to fracture than that made from Grandioblocs in both types of restorations. | ||||
| Keywords | ||||
| KEYWORDS: Anterior endocrown; hybrid post crown; E-max; hybrid ceramics; Grandio blocs | ||||
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