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Pregled bibliografske jedinice broj: 756054

Časopis

Autori: Ledić, Karla; Majnarić, Igor; Milardović Ortolan, Slađana; Špalj, Stjepan; Štefančić, Sanja; Mehulić, Ketij
Naslov: Analysis of Translucency Parameter of Glass- Ceramics Fabricated by Different Techniques
Izvornik: Acta stomatologica Croatica (0001-7019) 48 (2015), 1; 27-35
Vrsta rada: članak
Ključne riječi: Glass ceramics; Spectrophotometry; Optical Phenomena; Corrosion; Acetic Acid; Translucency
Sažetak:
The purpose of the study was to analyse translucency of glass-ceramics fabricated by different techniques and investigate the effect of the corrosive medium on the translucency. Materials and methods: Three specimens of each type of IPS e.max ceramics (Ivoclar Vivadent, Schaan, Liechtenstein) were made in three colours (A2, C2 and B3) by three fabrication techniques (layering – e.max Ceram Dentin ; heat-pressing – e.max Press ; CAD/CAM – e.max CAD). Specimens were made in the form of plates (10 mm x 12 mm x 0.8 mm).CIE L*a*b* values were measured by a spectrophotometer (X-Rite DTP 20 Pulse, Neu Isenburg, Germany) before and after exposure to 4% acetic acid at 80 °C for 16 hours (ISO 6872) to calculate translucency parameter (TP values). Statistical data were analysed using the IBM SPSS 22 software. Results: IPS e.max Ceram Dentin had significantly the lowest TP values, and IPS e.max Press the highest TP values of all colours (A2, C2, B3), both prior and after exposure to acid (p<0.001). The difference in TP values among colours was evident in the IPS e.max Ceram Dentin material, both before and after exposure to acid with a great effect size (p<0.001 ; η2 = 0.702 and 0.741), and in the IPS e.max Press material (p<0.001, effect size 0.547 and 0.576). CAD/CAD specimens showed uniform TP values between three colours. Further, exposure to a corrosive medium did not result in a statistically significant change of TP values in any of the materials tested. Conclusions: Different types of glass-ceramics showed significant difference in TP values both with respect to the fabrication technique and colour. Exposure to a corrosive medium did not result in a statistically significant change of TP values.
Projekt / tema: 065-0650446-0435
Izvorni jezik: ENG
Rad je citiran u
bazama podataka:
Scopus
Kategorija: Znanstveni
Znanstvena područja:
Dentalna medicina
Puni text rada: 756054.Ledi_eng.docx (tekst priložen 23. Ožu. 2015. u 13:36 sati)
Broj citata:
Altmetric:
DOI: 10.15644/asc49/1/4
URL cjelovitog teksta:
Časopis izlazi u samo elektroničkom izdanju: NE
Google Scholar: Analysis of Translucency Parameter of Glass- Ceramics Fabricated by Different Techniques
Upisao u CROSBI: Ketij Mehulić (mehulic@sfzg.hr), 23. Ožu. 2015. u 13:36 sati



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