Translucency of IPS e.max and cubic zirconia monolithic crowns

The Journal of Prosthetic Dentistry
Paolo BaldissaraLeonardo Ciocca

Abstract

Although several monolithic zirconia ceramics have recently been introduced, the need for improved optical properties remains. The newest cubic-zirconia has been claimed to have optimal translucency characteristics for esthetic restorations. This in vitro study evaluated the optical properties of novel cubic ultratranslucent (UT) and supertranslucent (ST) zirconia by comparing them with lithium disilicate (L-DIS) glass-ceramic for the manufacture of monolithic computer-aided design and computer-aided manufacturing (CAD-CAM) molar crowns. The UT and ST multilayered zirconia and the low-translucency grade L-DIS were milled. Eighty monolithic crowns were made from 2 CAD files, corresponding to thicknesses of 1.0 and 1.5 mm, and subdivided (n=20) into 4 groups: UT1.0, UT1.5, ST1.0, and L-DIS1.5. All groups were shaded using A2 color standard. Translucency of the crowns was measured by total transmission, using a photoradiometer in a dark chamber; furthermore, the contrast ratio was analyzed using a dental spectrophotometer applied to the buccal surface of the crowns. Data were analyzed using the Kruskal-Wallis and post hoc multiple Mann-Whitney U tests with Bonferroni correction (α=.05 divided by the number of tests performed in ea...Continue Reading

Citations

Dec 27, 2019·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Jong-Hoi KimLee-Ra Cho
May 24, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Fatma A Sanal, Hamiyet Kilinc
Jan 2, 2019·Journal of Prosthodontic Research·Rafael Rocha PachecoMarcelo Giannini
Dec 1, 2018·Journal of Prosthodontic Research·C MonacoP Baldissara
Oct 13, 2020·Journal of Prosthodontic Research·Yolanda FreireMaria J Suarez
Nov 6, 2020·The Journal of Advanced Prosthodontics·Santiphab Kengtanyakich, Chaimongkon Peampring
Nov 6, 2020·The Journal of Advanced Prosthodontics·Hamiyet KilincSedanur Turgut
Feb 15, 2021·The Journal of Prosthetic Dentistry·Joseph D FlaskDavid W Berzins
May 10, 2021·The Journal of Prosthetic Dentistry·Hamiyet Kilinc, Fatma A Sanal
Jun 2, 2021·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Camila S SampaioGilbert Jorquera
Aug 8, 2021·Journal of Clinical Medicine·Valentin VervackStefan Vandeweghe
Sep 8, 2020·The Journal of Prosthetic Dentistry·Ana Maria Estivalete MarchionattiVinícius Felipe Wandscher

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