Fluorescent effect of zirconia liner on zirconia coping

Kim, S.T.; Park, J.A.; Baik, Jihye; Kwon, Kung‐Rock; Lee, S.B.; Woo, Yi-Hyung; Choi, Dawoon; Kim, H.S.

doi:10.1016/j.dental.2009.01.080

Cited by 4 publications

(5 citation statements)

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“…market to improve the optical behavior of this ceramic such as zirconia liner (for application on the surface) and fluorescent liquid (in which, the zirconia is immersed before sintering)(Kim et al, 2009).No significant difference was noted in our study groups regarding the effect of different surface treatments (glazing and polishing) on fluorescence. Since the surfaces were only smoothened by polishing, no change in fluorescence seems logical.…”

mentioning

confidence: 69%

“…This statement was in agreement with our results since zirconia ceramic did not have fluorescence in our study. Several materials were introduced to the dental market to improve the optical behavior of this ceramic such as zirconia liner (for application on the surface) and fluorescent liquid (in which, the zirconia is immersed before sintering) (Kim et al, 2009 ).…”

Section: Discussionmentioning

confidence: 99%

“…According to Kin et al, (Kim et al, 2009 ) some zirconia ceramics are nonfluorescent. This statement was in agreement with our results since zirconia ceramic did not have fluorescence in our study.…”

Section: Discussionmentioning

confidence: 99%

“…According to Kin et al, (Kim et al, 2009) However, if the interaction between the radiated UV light and the absorbed blue light is insignificant, it would have no significant effect on fluorescence. In this study, the glaze material was transparent.…”

Section: Fluorescencementioning

confidence: 99%

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Effect of glazing and polishing on opalescence and fluorescence of dental ceramics

Hashemikamangar

Nahavandi

Daryadar

et al. 2022

Clinical & Exp Dental Res

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Objective: Tooth enamel has opalescence and fluorescence, which should be mimicked by esthetic dental restorations. The purpose of this study was to compare the effects of glazing and polishing on the opalescence and fluorescence of dental ceramics.Materials and Methods: Twenty-four discs were fabricated of feldspathic, IPS e.max, zirconia, and Enamic ceramics with 10 mm diameter and 0.5 and 1 mm thicknesses (n = 12). Of the discs fabricated with 0.5 and 1 mm thicknesses, half of them were glazed and the remaining half were polished (n = 6). Opalescence was calculated as the difference in yellow-blue (CIE Δb*) and red-green (CIE Δa*) color axes between the transmitted and reflected colors. The fluorescence of specimens was measured by a novel technique. Data were analyzed using two-way analysis of variance at a 0.05 level of significance.Results: In all groups (except for the Enamic ceramic), the mean opalescence of polished specimens (e.max = 2.704, feldspathic = 1.67, zirconia = 3.143) was higher than that of glazed specimens (e.max = 2.163, feldspathic = 1.016, zirconia = 2.690).The mean opalescence of glazed Enamic specimens (2.140) was higher than that of polished specimens (1.308). The fluorescence of glazed and polished specimens was not significantly different. Conclusion:Surface treatment (glazing/polishing) affects the opalescence, but not the fluorescence of dental ceramics evaluated in this study.

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mentioning

confidence: 69%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Fluorescencementioning

confidence: 99%

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Effect of glazing and polishing on opalescence and fluorescence of dental ceramics

Hashemikamangar

Nahavandi

Daryadar

et al. 2022

Clinical & Exp Dental Res

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“…Traditional zirconia is a nonfluorescent material. Several products have been commercialized with the aim of improving the optical behavior of traditional zirconia, such as liners (to be applied on its surface) and fluorescence modifying liquids (to immerse zirconia pieces in before sintering) …”

Section: Fluorescence Of Dental Ceramicsmentioning

confidence: 99%

Fluorescence of natural teeth and restorative materials, methods for analysis and quantification: A literature review

Volpato

Pereira

Silva

2018

J Esthet Restor Dent

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Objective This review integrates published scientific information about the fluorescence of natural teeth, dental resins and ceramics, and the main methods of analysis and quantification presented in the literature. Overview Fluorescence is an emission of light (photons) by a substance that has absorbed light of higher energy. In natural teeth, it is more intense in the dentin than in the enamel and presents a bluish‐white color. In dental resins and ceramics, fluorescence is obtained by the incorporation of materials that contain rare‐earth luminescence centers (more precisely lanthanide luminescence centers), which allows these artificial materials to simulate natural teeth in a more beautiful and vital‐looking way. However, the lack of knowledge about this optical phenomenon on the part of professionals indicates the need for more scientific studies and dissemination on this topic. Conclusions Aesthetic materials have variable spectral compositions and fluorescence intensities, which are not always compatible with natural teeth. The fluorescence of teeth and restorative materials can be influenced by several factors, such as aging, temperature, and bleaching. Several devices for fluorescence evaluation and quantification are used in studies under different methodologies, but the small number of studies on the subject make it difficult to compare their results. Clinical Significance Fluorescence is a fundamental optical property for aesthetic rehabilitations since its presence and intensity in the restorative materials allows achieving an aesthetic result much closer to reality. However, the fluorescent behavior of natural teeth and aesthetic restorative materials is not yet fully understood by researchers and clinicians. Greater understanding of this phenomenon will contribute to the selection, indication, and clinical use of these materials.

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Assessment of zirconia fluorescence after treatment with immersion in liquids, glass infiltration and aging

Volpato

Carvalho

Volpato

et al. 2021

Ceramics International

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Fluorescent effect of zirconia liner on zirconia coping

Cited by 4 publications

References 0 publications

Effect of glazing and polishing on opalescence and fluorescence of dental ceramics

Effect of glazing and polishing on opalescence and fluorescence of dental ceramics

Fluorescence of natural teeth and restorative materials, methods for analysis and quantification: A literature review

Assessment of zirconia fluorescence after treatment with immersion in liquids, glass infiltration and aging

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