Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations
Objectives: The use of zirconia as a framework for prosthetic restorations is increasing due to its favorable mechanical properties. Zirconia also has remarkable aesthetic properties when used as a framework and covered with a layer of cosmetic ceramic. The aim of this study was to compare the fract...
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| Format: | Article |
| Language: | English |
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Tehran University of Medical Sciences
2018-06-01
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| Series: | Frontiers in Dentistry |
| Subjects: | |
| Online Access: | https://jdt.tums.ac.ir/index.php/jdt/article/view/1960 |
| _version_ | 1818206997178220544 |
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| author | Sibel Cetik Marion Vincent Ramin Atash |
| author_facet | Sibel Cetik Marion Vincent Ramin Atash |
| author_sort | Sibel Cetik |
| collection | DOAJ |
| description | Objectives: The use of zirconia as a framework for prosthetic restorations is increasing due to its favorable mechanical properties. Zirconia also has remarkable aesthetic properties when used as a framework and covered with a layer of cosmetic ceramic. The aim of this study was to compare the fracture toughness of three types of aesthetic ceramics, namely VITA VM®9, ceraMotion® Zr, and IPS e.max® Ceram.
Materials and Methods: Three groups of aesthetic ceramics (n=10) were subjected to three-point bending tests. The force leading to fracture was recorded for each sample to measure the impact of the ceramic type on the solidity of the framework. The type of fracture has not been studied in this work. One-way analysis of variance (ANOVA) was used to statistically analyze the results.
Results: The statistical analysis showed significantly different fracture toughness values among the three groups. IPS e.max® showed the lowest fracture toughness (25.42 MPa) compared to VITA VM®9 and ceraMotion® Zr (respectively 40.39 MPa; P<0.001, and 48.78 MPa; P<0.005).
Conclusions: Within the limitations of the present study, it can be concluded that aesthetic ceramics play an important role in the fracture toughness of all-ceramic restorations. |
| first_indexed | 2024-12-12T04:21:55Z |
| format | Article |
| id | doaj.art-ecafeb042bf5420a8830afcbd2787132 |
| institution | Directory Open Access Journal |
| issn | 2676-296X |
| language | English |
| last_indexed | 2024-12-12T04:21:55Z |
| publishDate | 2018-06-01 |
| publisher | Tehran University of Medical Sciences |
| record_format | Article |
| series | Frontiers in Dentistry |
| spelling | doaj.art-ecafeb042bf5420a8830afcbd27871322022-12-22T00:38:18ZengTehran University of Medical SciencesFrontiers in Dentistry2676-296X2018-06-01153964Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic RestorationsSibel Cetik0Marion Vincent1Ramin Atash2Professor, Laboratory of Physiology and Pharmaceutics, School of Medicine, Université Libre de Bruxelles, Brussels, Belgium; Department of Stomatology and Dentistry, Erasmus Hospital, Université Libre de Bruxelles, Brussels, BelgiumDentist, Department of Stomatology and Dentistry, Erasmus Hospital, Université Libre de Bruxelles, Brussels, BelgiumProfessor, Department of Stomatology and Dentistry, Erasmus Hospital, Université Libre de Bruxelles, Brussels, BelgiumObjectives: The use of zirconia as a framework for prosthetic restorations is increasing due to its favorable mechanical properties. Zirconia also has remarkable aesthetic properties when used as a framework and covered with a layer of cosmetic ceramic. The aim of this study was to compare the fracture toughness of three types of aesthetic ceramics, namely VITA VM®9, ceraMotion® Zr, and IPS e.max® Ceram. Materials and Methods: Three groups of aesthetic ceramics (n=10) were subjected to three-point bending tests. The force leading to fracture was recorded for each sample to measure the impact of the ceramic type on the solidity of the framework. The type of fracture has not been studied in this work. One-way analysis of variance (ANOVA) was used to statistically analyze the results. Results: The statistical analysis showed significantly different fracture toughness values among the three groups. IPS e.max® showed the lowest fracture toughness (25.42 MPa) compared to VITA VM®9 and ceraMotion® Zr (respectively 40.39 MPa; P<0.001, and 48.78 MPa; P<0.005). Conclusions: Within the limitations of the present study, it can be concluded that aesthetic ceramics play an important role in the fracture toughness of all-ceramic restorations.https://jdt.tums.ac.ir/index.php/jdt/article/view/1960Zirconium OxideCeramicsMechanical Stress |
| spellingShingle | Sibel Cetik Marion Vincent Ramin Atash Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations Frontiers in Dentistry Zirconium Oxide Ceramics Mechanical Stress |
| title | Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations |
| title_full | Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations |
| title_fullStr | Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations |
| title_full_unstemmed | Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations |
| title_short | Effect of Cosmetic Ceramics on Fracture Toughness of All-Ceramic Restorations |
| title_sort | effect of cosmetic ceramics on fracture toughness of all ceramic restorations |
| topic | Zirconium Oxide Ceramics Mechanical Stress |
| url | https://jdt.tums.ac.ir/index.php/jdt/article/view/1960 |
| work_keys_str_mv | AT sibelcetik effectofcosmeticceramicsonfracturetoughnessofallceramicrestorations AT marionvincent effectofcosmeticceramicsonfracturetoughnessofallceramicrestorations AT raminatash effectofcosmeticceramicsonfracturetoughnessofallceramicrestorations |