Assessment of fracture force of CAD-CAM-fabricated overlay restorations using deep marginal elevation technique. | ||||
| Journal of Modern Research | ||||
| Article 5, Volume 2, Issue 1, January 2020, Page 31-34 PDF (511.69 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jmr.2019.17940.1009 | ||||
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| Authors | ||||
Mohamed Saleh Mohamed  ; Cherif Adel Mohsen; Shams Waaz Amgad
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| Department of Fixed Prosthodontics, Faculty of Dentistry, Minia University, 61519 Minia, Egypt | ||||
| Abstract | ||||
| ABSTRACT Purpose To evaluate the fracture force of CAD-CAM-fabricated overlay restorations (Feld spathic cerec blocks) and hybrid ceramic material (VITA Enamic) using deep marginal elevation technique (DME). Materials and methods Twenty overlay restorations were constructed in this study. The samples were divided into two main groups according to the ceramic material (n=10). The type of ceramics that was used is (feld spathic for group I and vita enamic for group II). a ceramic material which was used (10 samples each):- The first group : feld spathic cerec blocks cemented by RelyX Ultimate Clicker resin cement. The second group: VITA ENAMIC hybrid ceramic overlays cemented by RelyX Ultimate Clicker resin cement. Each main group was subdivided into two subgroups for each type of the ceramic material according to the fracture force (n=5), One of them without deep marginal elevation and the other with a deep marginal elevation (DME) till the cemento-enamel junction (CEJ). Results Between the two materials There was a significant difference between the feld spathic and vita enamic materials in with and without deep marginal elevation technique . Conclusion VITA Enamic material has higher fracture force than feld spathic material in samples with deep marginal elevation. Feld spathic material has higher fracture force than vita enamic material in samples without (DME). | ||||
| Keywords | ||||
| Deep marginal elevation; CAD CAM; fracture force; Vita Enamic | ||||
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