Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia
Introduction: Zirconia-based ceramics have been successfully used to fabricate dental prostheses using the dental Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) system. Fabrication and finishing of new generation zirconia ceramics is an important issue for the success of restorations....
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| Format: | Article |
| Language: | English |
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JCDR Research and Publications Private Limited
2022-01-01
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| Series: | Journal of Clinical and Diagnostic Research |
| Subjects: | |
| Online Access: | https://www.jcdr.net/articles/PDF/15844/51471_CE(Ra1)_F(SS)_PF1(SC_KM)_PFA(SC_KM)_PN(KM).pdf |
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| author | Canan Dogdu Gulsum Ceylan |
| author_facet | Canan Dogdu Gulsum Ceylan |
| author_sort | Canan Dogdu |
| collection | DOAJ |
| description | Introduction: Zirconia-based ceramics have been successfully used to fabricate dental prostheses using the dental Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) system. Fabrication and finishing of new generation zirconia ceramics is an important issue for the success of restorations. It is necessary to investigate whether these processes affect the surface properties of zirconia materials.
Aim: To investigate the effects of different sintering temperatures and finishing procedures on the surface roughness of zirconia.
Materials and Methods: This in-vitro study was carried out in the Erciyes University Research Laboratory from 7th January to 4th April 2021. Katana Ultra Translucent Multi Layered (KT10; Kuraray Noritake Dental Inc., Tokyo, Japan) and Zolid High Translucent+Preshade (AmannGirrbach AG, Herrschaftswiesen, Austria) were the two types of zirconia materials used in this in-vitro study. Total 40 samples (20 in each group) were produced using the dry program in the I˙nLAB MC X5 milling machine (Dentsply Sirona, Bensheim, Germany). Total 20 specimens (10 from each group) were sintered in a furnace for 2 hour at 1450°C and the remaining 20 specimens (10 from each group) were sintered at 1650°C. The two surfaces of the specimens were divided into two groups; one surface of the specimens underwent polishing and the other underwent glazing. A profilometer was used to analyse the surface roughness of the specimens. Three-way analysis of variance was used to assess significant differences in the average roughness values based on the material, sintering temperature, finishing procedure.
Results: The surface roughness values differed between specimens that underwent the glazing and the polishing process at high sintering temperatures. The glazed samples (1.154 μm) had higher surface roughness values than the polished samples (0.808 μm) at 1650°C.
Conclusion: The polishing process is recommended instead of glazing as a finishing procedure for zirconia materials. |
| first_indexed | 2024-04-10T17:42:15Z |
| format | Article |
| id | doaj.art-825aa259d6884aadaf2e59d8fe75c7f1 |
| institution | Directory Open Access Journal |
| issn | 2249-782X 0973-709X |
| language | English |
| last_indexed | 2024-04-10T17:42:15Z |
| publishDate | 2022-01-01 |
| publisher | JCDR Research and Publications Private Limited |
| record_format | Article |
| series | Journal of Clinical and Diagnostic Research |
| spelling | doaj.art-825aa259d6884aadaf2e59d8fe75c7f12023-02-03T10:04:37ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2022-01-01161ZC13ZC1710.7860/JCDR/2022/51471.15844Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content ZirconiaCanan Dogdu0Gulsum Ceylan1PhD Student, Department of Prosthodontics, School of Dentistry, Istanbul Medipol University, Istanbul, Turkey.DDS, PhD, Department of Prosthodontics, School of Dentistry, Istanbul Medipol University, Istanbul, Turkey.Introduction: Zirconia-based ceramics have been successfully used to fabricate dental prostheses using the dental Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) system. Fabrication and finishing of new generation zirconia ceramics is an important issue for the success of restorations. It is necessary to investigate whether these processes affect the surface properties of zirconia materials. Aim: To investigate the effects of different sintering temperatures and finishing procedures on the surface roughness of zirconia. Materials and Methods: This in-vitro study was carried out in the Erciyes University Research Laboratory from 7th January to 4th April 2021. Katana Ultra Translucent Multi Layered (KT10; Kuraray Noritake Dental Inc., Tokyo, Japan) and Zolid High Translucent+Preshade (AmannGirrbach AG, Herrschaftswiesen, Austria) were the two types of zirconia materials used in this in-vitro study. Total 40 samples (20 in each group) were produced using the dry program in the I˙nLAB MC X5 milling machine (Dentsply Sirona, Bensheim, Germany). Total 20 specimens (10 from each group) were sintered in a furnace for 2 hour at 1450°C and the remaining 20 specimens (10 from each group) were sintered at 1650°C. The two surfaces of the specimens were divided into two groups; one surface of the specimens underwent polishing and the other underwent glazing. A profilometer was used to analyse the surface roughness of the specimens. Three-way analysis of variance was used to assess significant differences in the average roughness values based on the material, sintering temperature, finishing procedure. Results: The surface roughness values differed between specimens that underwent the glazing and the polishing process at high sintering temperatures. The glazed samples (1.154 μm) had higher surface roughness values than the polished samples (0.808 μm) at 1650°C. Conclusion: The polishing process is recommended instead of glazing as a finishing procedure for zirconia materials.https://www.jcdr.net/articles/PDF/15844/51471_CE(Ra1)_F(SS)_PF1(SC_KM)_PFA(SC_KM)_PN(KM).pdfceramicscomputer-aided manufacturingglazingprofilometer |
| spellingShingle | Canan Dogdu Gulsum Ceylan Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia Journal of Clinical and Diagnostic Research ceramics computer-aided manufacturing glazing profilometer |
| title | Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia |
| title_full | Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia |
| title_fullStr | Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia |
| title_full_unstemmed | Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia |
| title_short | Effects of Sintering Temperature and Finishing Procedure on Surface Roughness of Different Yttria Content Zirconia |
| title_sort | effects of sintering temperature and finishing procedure on surface roughness of different yttria content zirconia |
| topic | ceramics computer-aided manufacturing glazing profilometer |
| url | https://www.jcdr.net/articles/PDF/15844/51471_CE(Ra1)_F(SS)_PF1(SC_KM)_PFA(SC_KM)_PN(KM).pdf |
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