Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides
In restorative dentistry, the use of dental ceramics or porcelains are always evolving. The continuous advance in dental restorative materials has resulted in an increase in the use of conventional ceramic restorations due to their color, surface roughness, and strength. However, the whitening proce...
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Elsevier
2025-01-01
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| Series: | Next Materials |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949822825000164 |
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| author | Renata Martins Benetti Mariana de Souza-Pereira Gécica Cardoso Bellettini de Souza Fábio Elyseu Leidy Johanna Jaramillo-Nieves Adriano Michael Bernardin |
| author_facet | Renata Martins Benetti Mariana de Souza-Pereira Gécica Cardoso Bellettini de Souza Fábio Elyseu Leidy Johanna Jaramillo-Nieves Adriano Michael Bernardin |
| author_sort | Renata Martins Benetti |
| collection | DOAJ |
| description | In restorative dentistry, the use of dental ceramics or porcelains are always evolving. The continuous advance in dental restorative materials has resulted in an increase in the use of conventional ceramic restorations due to their color, surface roughness, and strength. However, the whitening procedure currently used for teeth has no effect on the porcelain of dentures, veneers, and dental contact lenses. Therefore, the aim of this work was to determine the effect of whitening agents on the aesthetics and mechanical behavior of porcelain ceramic compositions. Kaolin, quartz, and sodium-potassium feldspar were used as raw materials according to a mixture design. After mixing, the compositions were uniaxially pressed (35 MPa) and sintered at 1100 °C for 4 h. After sintering, the physical characteristics (density, water absorption and dimensional change), mechanical behavior (Vickers hardness and tensile strength) and microstructure (SEM and XRD) of the samples were evaluated. The whitening of the compositions was determined by colorimetry (L* coordinate). The results showed that the dental ceramic compositions had similar properties to that of natural dental structures and were susceptible to whitening by the commercial agents used. |
| format | Article |
| id | doaj-art-e2351bae3666447a973b34be8a6717f0 |
| institution | DOAJ |
| issn | 2949-8228 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Next Materials |
| spelling | doaj-art-e2351bae3666447a973b34be8a6717f02025-08-20T03:16:18ZengElsevierNext Materials2949-82282025-01-01610049810.1016/j.nxmate.2025.100498Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxidesRenata Martins Benetti0Mariana de Souza-Pereira1Gécica Cardoso Bellettini de Souza2Fábio Elyseu3Leidy Johanna Jaramillo-Nieves4Adriano Michael Bernardin5Ceramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilCeramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilCeramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilCeramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilCeramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilCorresponding author.; Ceramic Materials Group, Universidade do Extremo Sul Catarinense, Rod Jorge Lacerda 3800, Criciúma, Santa Catarina 88806-000, BrazilIn restorative dentistry, the use of dental ceramics or porcelains are always evolving. The continuous advance in dental restorative materials has resulted in an increase in the use of conventional ceramic restorations due to their color, surface roughness, and strength. However, the whitening procedure currently used for teeth has no effect on the porcelain of dentures, veneers, and dental contact lenses. Therefore, the aim of this work was to determine the effect of whitening agents on the aesthetics and mechanical behavior of porcelain ceramic compositions. Kaolin, quartz, and sodium-potassium feldspar were used as raw materials according to a mixture design. After mixing, the compositions were uniaxially pressed (35 MPa) and sintered at 1100 °C for 4 h. After sintering, the physical characteristics (density, water absorption and dimensional change), mechanical behavior (Vickers hardness and tensile strength) and microstructure (SEM and XRD) of the samples were evaluated. The whitening of the compositions was determined by colorimetry (L* coordinate). The results showed that the dental ceramic compositions had similar properties to that of natural dental structures and were susceptible to whitening by the commercial agents used.http://www.sciencedirect.com/science/article/pii/S2949822825000164Restorative ceramicsDental porcelainChemical attackWhiteningMicrostructure |
| spellingShingle | Renata Martins Benetti Mariana de Souza-Pereira Gécica Cardoso Bellettini de Souza Fábio Elyseu Leidy Johanna Jaramillo-Nieves Adriano Michael Bernardin Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides Next Materials Restorative ceramics Dental porcelain Chemical attack Whitening Microstructure |
| title | Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides |
| title_full | Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides |
| title_fullStr | Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides |
| title_full_unstemmed | Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides |
| title_short | Whitening of kaolin-quartz-feldspar dental porcelains by chemical attack using commercial peroxides |
| title_sort | whitening of kaolin quartz feldspar dental porcelains by chemical attack using commercial peroxides |
| topic | Restorative ceramics Dental porcelain Chemical attack Whitening Microstructure |
| url | http://www.sciencedirect.com/science/article/pii/S2949822825000164 |
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