The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials
The addition of yttria-stabilized zirconia and cerium oxide to this mica glass ceramic was found to increase mechanical properties and decrease chemical solubility. They were also found to be able to control translucency. X-ray diffraction showed no significant change in phase formation with phlogop...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2021-07-01
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| Series: | Journal of Asian Ceramic Societies |
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| Online Access: | http://dx.doi.org/10.1080/21870764.2021.1926641 |
| _version_ | 1818733891405479936 |
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| author | Thapanee Srichumpong Suphahud Pintasiri Greg Heness Cristina Leonelli Ekarat Meechoowas Noparat Thongpun Chayada Teanchai Kallaya Suputtamongkol Duangrudee Chaysuwan |
| author_facet | Thapanee Srichumpong Suphahud Pintasiri Greg Heness Cristina Leonelli Ekarat Meechoowas Noparat Thongpun Chayada Teanchai Kallaya Suputtamongkol Duangrudee Chaysuwan |
| author_sort | Thapanee Srichumpong |
| collection | DOAJ |
| description | The addition of yttria-stabilized zirconia and cerium oxide to this mica glass ceramic was found to increase mechanical properties and decrease chemical solubility. They were also found to be able to control translucency. X-ray diffraction showed no significant change in phase formation with phlogopite-Ca mica, fluorapatite and tetragonal zirconia the main phases present with their addition. Scanning electron microscopy showed that the additives did affect the grain morphology significantly and this was the controlling factor in the observed changes in strength, hardness, and solubility. The microstructures consisted of mainly plate-like and interlocking crystals. The largest increased in strength and hardness and the largest decreased in chemical solubility can be attributed to the largest change in grain morphology by the addition of both the YSZ and CeO2. The values of hardness, biaxial flexural strength and chemical solubility were 3.5–6.2 GPa, 105–120 MPa and 142–732 µg/cm2, respectively making them acceptable for dental materials according to ISO 6872:2015. The addition of YSZ increased the opacity, whilst the CeO2 improved translucency and influenced the color to a yellowish to yellow-brownish shade close to Thais’ teeth. |
| first_indexed | 2024-12-17T23:56:40Z |
| format | Article |
| id | doaj.art-6ee1e4fc09604138b61658beade2a04f |
| institution | Directory Open Access Journal |
| issn | 2187-0764 |
| language | English |
| last_indexed | 2024-12-17T23:56:40Z |
| publishDate | 2021-07-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Asian Ceramic Societies |
| spelling | doaj.art-6ee1e4fc09604138b61658beade2a04f2022-12-21T21:28:03ZengTaylor & Francis GroupJournal of Asian Ceramic Societies2187-07642021-07-019392693310.1080/21870764.2021.19266411926641The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materialsThapanee Srichumpong0Suphahud Pintasiri1Greg Heness2Cristina Leonelli3Ekarat Meechoowas4Noparat Thongpun5Chayada Teanchai6Kallaya Suputtamongkol7Duangrudee Chaysuwan8Kasetsart UniversityKasetsart UniversityKasetsart UniversityUniversity of Modena and Reggio EmiliaMinistry of Higher Education, Science, Research and InnovationMahidol UniversityMahidol UniversityMahidol UniversityKasetsart UniversityThe addition of yttria-stabilized zirconia and cerium oxide to this mica glass ceramic was found to increase mechanical properties and decrease chemical solubility. They were also found to be able to control translucency. X-ray diffraction showed no significant change in phase formation with phlogopite-Ca mica, fluorapatite and tetragonal zirconia the main phases present with their addition. Scanning electron microscopy showed that the additives did affect the grain morphology significantly and this was the controlling factor in the observed changes in strength, hardness, and solubility. The microstructures consisted of mainly plate-like and interlocking crystals. The largest increased in strength and hardness and the largest decreased in chemical solubility can be attributed to the largest change in grain morphology by the addition of both the YSZ and CeO2. The values of hardness, biaxial flexural strength and chemical solubility were 3.5–6.2 GPa, 105–120 MPa and 142–732 µg/cm2, respectively making them acceptable for dental materials according to ISO 6872:2015. The addition of YSZ increased the opacity, whilst the CeO2 improved translucency and influenced the color to a yellowish to yellow-brownish shade close to Thais’ teeth.http://dx.doi.org/10.1080/21870764.2021.1926641mica-based glass-ceramicdental ceramicsyttria stabilized zirconiamachinableiso 6872:2015 |
| spellingShingle | Thapanee Srichumpong Suphahud Pintasiri Greg Heness Cristina Leonelli Ekarat Meechoowas Noparat Thongpun Chayada Teanchai Kallaya Suputtamongkol Duangrudee Chaysuwan The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials Journal of Asian Ceramic Societies mica-based glass-ceramic dental ceramics yttria stabilized zirconia machinable iso 6872:2015 |
| title | The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials |
| title_full | The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials |
| title_fullStr | The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials |
| title_full_unstemmed | The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials |
| title_short | The influence of yttria-stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass-ceramic for restorative dental materials |
| title_sort | influence of yttria stabilised zirconia and cerium oxide on the microstructural morphology and properties of a mica glass ceramic for restorative dental materials |
| topic | mica-based glass-ceramic dental ceramics yttria stabilized zirconia machinable iso 6872:2015 |
| url | http://dx.doi.org/10.1080/21870764.2021.1926641 |
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