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Chalakinia, Hossein, Darabi, Farideh, Sadeghi, Yasaman, Tayefe Davalloo, Reza, Tavangar, Seyedeh Maryam, Sooratgar, Aidin. (1404). Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity. سامانه مدیریت نشریات علمی, 26(2), 138-144. doi: 10.30476/dentjods.2024.100117.2192
Hossein Chalakinia; Farideh Darabi; Yasaman Sadeghi; Reza Tayefe Davalloo; Seyedeh Maryam Tavangar; Aidin Sooratgar. "Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity". سامانه مدیریت نشریات علمی, 26, 2, 1404, 138-144. doi: 10.30476/dentjods.2024.100117.2192
Chalakinia, Hossein, Darabi, Farideh, Sadeghi, Yasaman, Tayefe Davalloo, Reza, Tavangar, Seyedeh Maryam, Sooratgar, Aidin. (1404). 'Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity', سامانه مدیریت نشریات علمی, 26(2), pp. 138-144. doi: 10.30476/dentjods.2024.100117.2192
Chalakinia, Hossein, Darabi, Farideh, Sadeghi, Yasaman, Tayefe Davalloo, Reza, Tavangar, Seyedeh Maryam, Sooratgar, Aidin. Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity. سامانه مدیریت نشریات علمی, 1404; 26(2): 138-144. doi: 10.30476/dentjods.2024.100117.2192

Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity

Journal of Dentistry
مقاله 5، دوره 26، شماره 2 - شماره پیاپی 87، شهریور 2025، صفحه 138-144    اصل مقاله (487.23 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.30476/dentjods.2024.100117.2192
نویسندگان
Hossein Chalakinia1؛ Farideh Darabi* 2؛ Yasaman Sadeghi2؛ Reza Tayefe Davalloo2؛ Seyedeh Maryam Tavangar2؛ Aidin Sooratgar3
1Dept. of Restorative Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
2Dept. of Restorative Dentistry, Dental School, Guilan University of Medical Science, Guilan, Iran.
3Dept. of Endodontics, Dental school, Tehran University of Medical Science, Tehran, Iran.
چکیده
Background: A few studies have examined the masking ability of the combined application of opaquer and resin composites on tooth discoloration.
Purpose: This study investigated the combined application of opaquer-composite to mask discolored backgrounds by utilizing two opaquers and resin composites.
Materials and Method: In this in vitro research, we used two composite resins, Vitalescence (Ultradent) and Gradia Direct (GC), and two opaquers: Pink opaque (Cosmedent) and Creative Color A2 (Cosmedent). Seventy-two specimens were made as disks in 8 groups (n=9), with 1.0mm and 0.5mm thicknesses. One surface of each disk was coated by one of the opaquers and cured. The 4mm-thick composite disks from both composite brands were also made as a reference, representing the inherent color of the material. Then, the composite disks from the opaquer-coated surface were placed on a C4 porcelain disk as a background to simulate a discolored tooth. Color measurement for all specimens was performed using a spectrophotometer device. The color difference of each test group and 4 mm thick disks of the same composite were measured using the formula CIELAB (ΔE * ab). Statistical analysis was performed by using ANOVA and Tukey's Post hoc tests.
Results: Statistically significant differences were observed between the eight groups (p= 0.001). The thickness, composites, and opaquer variants significantly affected the ΔE*. The samples with 1mm thickness, the Vitalescence composite, and the Creative Color opaquer A2, had significantly lower ΔE* than the 0.5mm samples, the Gradia composite, and the Pink opaquer, respectively. The number of samples with desirable ΔE was significantly higher in the Vitalescence composite group than in the Gradia composite, and the Creative Color A2 opaquer had significantly more desirable ΔE than the Pink opaquer.
Conclusion: Most results that achieved acceptable masking ability were obtained with combinations of Creative Color opaquer A2+ Vitalescence / Gradia composite in 0.5 or 1mm thicknesses.

تازه های تحقیق

Hossein Chalakinia (Google Scholar)

Farideh Darabi (Google Scholar)

کلیدواژه‌ها
Composite Resin؛ Meta-Color-Opaquer؛ Perceptual Masking؛ Tooth Discoloration
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