Avoiding Complications and Pitfalls with Color in Dentistry

Bona, Álvaro Della; Yataco, Oscar Emilio Pecho

doi:10.1007/978-3-030-42626-2_6

Cited by 5 publications

(4 citation statements)

References 38 publications

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“…Gender-based differences in color perception, with reported color blindness discrepancies between male and female dentists, are discussed. The study indicates a high rate of seeking assistance from another physician during color selection, especially from female dentists (21,22,23,24).…”

Section: Discussionmentioning

confidence: 90%

Farklı Ünvan ve Çalışma Merkezlerindeki Diş Hekimleri Tarafından Belirlenen Renk Seçim Kriterlerinin İncelenmesi

ÇELİK BAŞARIR,

ERATİLLA,

ZENGİNGÜL

et al. 2023

HRU Int J Dent Oral Res

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Aim: Color selection is an important factor in dentistry in terms of aesthetics and natural appearance. However, different dentists and practice centers may have different approaches to color selection processes. The aim of this study is to investigate how color selection criteria in prosthetic treatments are determined by dentists with different titles in different work centers. Material and Methods: The study obtained approval from the Clinical Research Ethics Committee of Dicle University Faculty of Dentistry (2019/44) and was conducted in September 2019 as a voluntary survey among academics and dentists nationwide. The study consisted of a total of 14 questions, two of which were demographic data and 12 were multiple-choice questions. Results: The study was completed with a total of 437 participants, including 213 males and 224 females. The participants had an average age of 30.6, and 50.6% of them worked in university hospitals. The remaining participants worked in oral and dental health centers, community health centers, state hospitals, private clinics owned by themselves, or private clinics owned by another dentist. In addition, 43.7% were general practitioners, 27.7% were dental students, 17.8% were research assistants, 7.8% were specialist dentists, and 3% were faculty members. The data were evaluated using SPSS 22 (statistical package for the sciences version 22.0) program. The chi-square test was used to evaluate categorical data. Statistical analysis was performed and interpreted for the study data (p

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Section: Discussionmentioning

confidence: 90%

Farklı Ünvan ve Çalışma Merkezlerindeki Diş Hekimleri Tarafından Belirlenen Renk Seçim Kriterlerinin İncelenmesi

ÇELİK BAŞARIR,

ERATİLLA,

ZENGİNGÜL

et al. 2023

HRU Int J Dent Oral Res

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“…It was calculated using the following formula: ΔE ab* -FL= [(L 100 *-L 0 *) 2 + (a 100 *-a 0 *) 2 + (b 100 *-b 0 *) 2 ] -1 / 2 . [ 12 ] The color coordinates of the UV included (100%) and excluded (0%) conditions are shown respectively with the subscripts 100 and 0 in the equation.…”

Section: Methodsmentioning

confidence: 99%

“…[ 3 ] Natural teeth appear whiter and lighter under daylight while they have a bluish-white fluorescence under ultraviolet (UV) light. [ 3 12 ] The fluorescence property of a dental material can be determined by the color difference (fluorescence parameter [ΔE ab* -FL]) in the presence and absence of UV light using a spectrophotometer. [ 12 ]…”

Section: Introductionmentioning

confidence: 99%

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Effect of sintering procedures on optical properties, chemical composition, and grain size of monolithic zirconia ceramic at different thicknesses after hydrothermal aging: An in vitro study

Albayrak

Eraslan

Aydınlıoğlu

2023

J Indian Prosthodont Soc

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Aim: The purpose of the present study was to examine the optical properties, chemical composition, and grain size (GS) of monolithic zirconia (MZ) ceramic at different thicknesses sintered using different procedures after hydrothermal aging. Settings and Design: An in vitro study. Materials and Methods: Forty MZ discs (0.5-mm thickness [Group-0.5] and 1-mm thickness [Group-1]; 12 mm diameter) were milled and divided according to standard (Group-ST) and speed (Group-SP) sintering procedures. All specimens were hydrothermally aged at 134°C after sintering. Translucency (TP), opalescence (OP), and fluorescence (ΔE ab* -FL) parameters were calculated using the color coordinates (L*, a*, b*, respectively) of the discs. The chemical composition and the GS of the specimens were characterized using X-ray fluorescence spectroscopy and a scanning electron microscopy, respectively. Statistical Analysis Used: TPs and ΔE ab* -FLs were analyzed using independent samples t -tests and Mann–Whitney U-tests while a two-way analysis of variance (ANOVA) was used for OPs. Results: Group-1 showed significantly lower TP than Group-0.5 ( P < 0.001) but a significantly higher OP ( P = 0.014). Group-SP showed significantly higher OP ( P = 0.00003) and ΔE ab* -FL ( P = 0.0026) values than Group-ST without considering the thickness. Group-SP (0.29 ± 0.119 μm) had a smaller GS than Group-ST (0.306 ± 0.142 μm). Compared to Group-ST, Group-SP had a lower percentage of Y 2 O 3 and a higher percentage of Al 2 O 3 . Conclusion: The effect of the sintering procedure on TP and OP of MZ was not perceived by the naked eye. The speed sintering procedure may increase Δ E *ab -FL of MZ to higher values than natural teeth when compared with standard sintering. The speed sintering may cause minor changes in GS and the chemical composition of MZ.

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Efficacy of color discrimination tests used in dentistry

Simionato

Pecho

Bona

2020

J Esthet Restor Dent

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Objective To evaluate the efficacy of visual discrimination tests used for color research in dentistry. Materials and methods Volunteers (N = 120) were divided in three groups of observers (n = 40; gender‐balanced): S‐dental students; D‐dentists; and L‐laypersons. Two general color discrimination tests (I‐Ishihara and FM‐Farnsworth‐Munsell 100 Hue) and the test of color discrimination competency in dentistry using the VITA Classical shade guide (VC) were performed and data were recorded according to manufacturers' or literature recommendations. Data were statistically analyzed using Mann–Whitney U test for the gender influence and Kruskal‐Wallis test for the observer influence, and Bonferroni as post‐hoc test (α = 0.05). Pearson (α = 0.05) was used to examine the correlation among visual tests (I, FM, and VC). Results Observers and visual tests were not influenced by gender (P > .05). Different observer groups had no influence on I test (P > .05). S and D showed similar level of color perception using FM and VC (P > .05), but these observers showed greater color perception than L (P ≤ .05). FM and VC also showed significant correlation (P ≤ .05) for the overall D observers (r = −0.362), male D (r = −0.594) and female S (r = −0.457). Conclusion Observer experience significantly influenced on color perception, irrespective of gender. FM test showed greater correlation to color correspondence in dentistry (VC) than I test. Clinical significance Observer experience is more relevant than gender for the color selection process in dentistry. Considering the visual discrimination tests for color research in dentistry, the Farnsworth‐Munsell 100 Hue test seems to be more efficacious than the Ishihara test.

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Avoiding Complications and Pitfalls with Color in Dentistry

Cited by 5 publications

References 38 publications

Farklı Ünvan ve Çalışma Merkezlerindeki Diş Hekimleri Tarafından Belirlenen Renk Seçim Kriterlerinin İncelenmesi

Farklı Ünvan ve Çalışma Merkezlerindeki Diş Hekimleri Tarafından Belirlenen Renk Seçim Kriterlerinin İncelenmesi

Effect of sintering procedures on optical properties, chemical composition, and grain size of monolithic zirconia ceramic at different thicknesses after hydrothermal aging: An in vitro study

Efficacy of color discrimination tests used in dentistry

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