TY  - JOUR
AU  - Eid, R.
AU  - Juloski, Jelena
AU  - Ounsi, H.
AU  - Silwaidi, M.
AU  - Ferrari, Marco
AU  - Salameh, Z.
PY  - 2019
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2412
AB  - Aim: To evaluate the fracture resistance and failure pattern of custom made computer-aided design & computer-aided manufacturing (CAD/CAM) post and cores using a fiber reinforced composite material (FRC) and a high-density-polymer. Materials and methods: Thirty extracted mandibular second premolars were selected, endodontically treated and prepared to receive the posts. The specimens were randomly divided into three groups (n = 10) according to each material: group 1 (RXP): fiber posts (Rely X, 3M-ESPE) with composite core build-up (Filtek Bulk Fill Posterior, 3M-ESPE) as a control group; group 2 (BLC): one-piece milled post and core from fiber reinforced composite blocks (Trilor, Bioloren); and group 3 (AMC): one-piece milled post and core from hybrid ceramic disks (Ambarino, Creamed). All the posts were cemented using a self-adhesive resin cement (Rely X U200, 3M ESPE). Fracture resistance was tested using a universal testing machine, failure patterns were then observed visually and radiographically then evaluated under SEM. Data was analyzed using One-way analysis of variance (ANOVA) followed by Tamhane post-hoc test in order to determine significant differences among groups (α = 0.05). Results: The mean fracture resistance values were: 426.08 ± 128.26 N for group 1 (R X P), 367.06 ± 72.34N for group 2 (BLC), and 620.02 ± 5 4.29N f or g roup 3 ( AMC). S tatistical analysis revealed that group 3 (AMC) had the highest mean load to fracture in comparison to the other groups (p = 0.000). failures were cohesive in group 2 and 3 and mixed in group 1 with no catastrophic failures reported in all groups. Conclusion: All systems evaluated presented sufficient mean load-to-failure values for endodontically treated teeth restorations. CAD/CAM post and cores made from high-densitypolymer showed a better performance than prefabricated fiber posts.
PB  - Jaypee Brothers Medical Publishers (P) Ltd
T2  - Journal of Contemporary Dental Practice
T1  - Fracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot study
VL  - 20
IS  - 1
SP  - 56
EP  - 63
DO  - 10.5005/jp-journals-10024-2476
ER  - 

@article{
author = "Eid, R. and Juloski, Jelena and Ounsi, H. and Silwaidi, M. and Ferrari, Marco and Salameh, Z.",
year = "2019",
abstract = "Aim: To evaluate the fracture resistance and failure pattern of custom made computer-aided design & computer-aided manufacturing (CAD/CAM) post and cores using a fiber reinforced composite material (FRC) and a high-density-polymer. Materials and methods: Thirty extracted mandibular second premolars were selected, endodontically treated and prepared to receive the posts. The specimens were randomly divided into three groups (n = 10) according to each material: group 1 (RXP): fiber posts (Rely X, 3M-ESPE) with composite core build-up (Filtek Bulk Fill Posterior, 3M-ESPE) as a control group; group 2 (BLC): one-piece milled post and core from fiber reinforced composite blocks (Trilor, Bioloren); and group 3 (AMC): one-piece milled post and core from hybrid ceramic disks (Ambarino, Creamed). All the posts were cemented using a self-adhesive resin cement (Rely X U200, 3M ESPE). Fracture resistance was tested using a universal testing machine, failure patterns were then observed visually and radiographically then evaluated under SEM. Data was analyzed using One-way analysis of variance (ANOVA) followed by Tamhane post-hoc test in order to determine significant differences among groups (α = 0.05). Results: The mean fracture resistance values were: 426.08 ± 128.26 N for group 1 (R X P), 367.06 ± 72.34N for group 2 (BLC), and 620.02 ± 5 4.29N f or g roup 3 ( AMC). S tatistical analysis revealed that group 3 (AMC) had the highest mean load to fracture in comparison to the other groups (p = 0.000). failures were cohesive in group 2 and 3 and mixed in group 1 with no catastrophic failures reported in all groups. Conclusion: All systems evaluated presented sufficient mean load-to-failure values for endodontically treated teeth restorations. CAD/CAM post and cores made from high-densitypolymer showed a better performance than prefabricated fiber posts.",
publisher = "Jaypee Brothers Medical Publishers (P) Ltd",
journal = "Journal of Contemporary Dental Practice",
title = "Fracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot study",
volume = "20",
number = "1",
pages = "56-63",
doi = "10.5005/jp-journals-10024-2476"
}

Eid, R., Juloski, J., Ounsi, H., Silwaidi, M., Ferrari, M.,& Salameh, Z.. (2019). Fracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot study. in Journal of Contemporary Dental Practice
Jaypee Brothers Medical Publishers (P) Ltd., 20(1), 56-63.
https://doi.org/10.5005/jp-journals-10024-2476

Eid R, Juloski J, Ounsi H, Silwaidi M, Ferrari M, Salameh Z. Fracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot study. in Journal of Contemporary Dental Practice. 2019;20(1):56-63.
doi:10.5005/jp-journals-10024-2476 .

Eid, R., Juloski, Jelena, Ounsi, H., Silwaidi, M., Ferrari, Marco, Salameh, Z., "Fracture resistance and failure pattern of endodontically treated teeth restored with computer-aided design/ computer-aided manufacturing post and cores: A pilot study" in Journal of Contemporary Dental Practice, 20, no. 1 (2019):56-63,
https://doi.org/10.5005/jp-journals-10024-2476 . .