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| dc.contributor.author | Ahmed Darwish, Heba | |
| dc.contributor.author | Salah Morsi, Tarek | |
| dc.contributor.author | Galal El Dimeery, Ayman | |
| dc.date.accessioned | 2020-02-09T10:25:06Z | |
| dc.date.available | 2020-02-09T10:25:06Z | |
| dc.date.issued | 2017 | |
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| dc.identifier.other | https://doi.org/10.1016/j.fdj.2017.05.001 | |
| dc.identifier.uri | https://t.ly/P3v37 | |
| dc.description | MSA Google Scholar | en_US |
| dc.description.abstract | Purpose Investigation of different central cavity designs on internal fit of endocrowns fabricated from two materials. Materials and methods Forty maxillary premolars were endodontically treated and divided into 8 groups [n = 5]: LS10, LS6, LD10, LD6, ES10, ES6, ED10 and ED6 (“L” restored with Lava™ Ultimate [resin nano ceramic], “E” restored with IPS e.max® CAD [lithium disilicate], “S” shallow depth [3 mm], “D” extended depth [5 mm], “6”-degree and “10”-degree axial wall divergence). All restorations were fabricated using CEREC CAD/CAM system. Samples were tested for internal fit using CBCT imaging (Next Generation i-CAT scanner) before and after adaptation. Data was tabulated and statistically analyzed. Results Lava™ Ultimate showed significant better internal fit compared to IPS e.max® CAD endocrowns both before and after adaptation [p = 0.007 and 0.003, respectively]. Samples with 6-degree axial wall divergence showed significant better internal fit compared to those with 10-degree axial wall divergence before adaptation [p = 0.041]. Before adaptation, group LS6 showed the best internal fit [403.00 ± 115.30 μm] followed by LD6, LD10, ES6, ES10, ED10, LS10 and ED6. After adaptation, group LS10 showed the best internal fit [394.80 ± 21.17 μm], followed by LS6, LD10, ED6, LD6, ES6, ED10, and ES10. | en_US |
| dc.description.sponsorship | Elsevier | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier | en_US |
| dc.relation.ispartofseries | Future Dental Journal;Volume: 3 Issue: 2 Pages: 67-72 | |
| dc.subject | University of Ceramics; CAD/CAM; Internal fit; Adaptation; Preparation design | en_US |
| dc.title | Internal fit of lithium disilicate and resin nano-ceramic endocrowns with different preparation designs | en_US |
| dc.type | Article | en_US |
| dc.identifier.doi | https://doi.org/10.1016/j.fdj.2017.05.001 | |
| dc.Affiliation | October University for modern sciences and Arts (MSA) |
