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HOME > Restor Dent Endod > Volume 34(4); 2009 > Article
Original Article Influence of the color of composite resins applied to lingual surface on the labial tooth color
Seung-Hui Mun, Su-Jung Park, Hyun-Gu Cho, Yun-Chan Hwang, Won-Mann Oh, In-Nam Hwang
2009;34(4):-323.
DOI: https://doi.org/10.5395/JKACD.2009.34.4.309
Published online: July 31, 2009

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Corresponding author: In-Nam Hwang. Department of Conservative Dentistry, Chonnam National University School of Dentistry, Yongbong-ro 77, Buk-gu, Gwangju, 500-757, Korea. Tel. 82-62-530-5819, Fax. 82-62-530-5629, hinso@jnu.ac.kr
• Received: March 5, 2009   • Revised: May 1, 2009   • Accepted: May 4, 2009

Copyright © 2009 The Korean Academy of Conservative Dentistry

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  • In this study we evaluated the influence of both the thickness of residual enamel and the color of the composite resins applied to lingual surface on the labial surface color.
    Background plates were made by randomly (A1, A2, A6D, B1, B2, B3, C1, C2, C6D) selected colors of Filtek Supreme (3M ESPE, St. Paul, U.S.A.) composite resin.
    Crown portion of 9 maxillary central incisors were cut off and embedded with acrylic resin except labial surface. Samples of average thickness of 2.2 mm were obtained after cutting it in a thickness of 2.5 mm from the labial surface and sandpaper polish.
    The shade of composite resin background was measured using Spectrophotometer (Spectrolino® GretagMacbeth, Regensdorf, Switzerland). And CIE L*a*b* value of 2.2 mm thickness tooth samples were measured on the 9 composite resin backgrounds. And then, the cutting side of tooth samples was ground to the extent of 1.9 mm, 1.6 mm, 1.3 mm, 1.0 mm and placed on composite resin backgrounds and measured L*a*b* values with the same method.
    In all samples, L* value and b* value seemed to have a tendency of decreasing as thickness of tooth sample becomes thinner regardless of background colors (p < 0.05). But, a* value didn't show the significant differences depending on the thickness.
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Figure 1
L* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
jkacd-34-309-g001.jpg
Figure 2
a* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
jkacd-34-309-g002.jpg
Figure 3
b* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
jkacd-34-309-g003.jpg
Table 1
L*a*b* average values of 2.2 mm thickness teeth specimen on the background resin specimens
jkacd-34-309-i001.jpg
Table 2
L*a*b* average values of 1.9 mm thickness teeth specimen on the background resin specimens
jkacd-34-309-i002.jpg
Table 3
L*a*b* average values of 1.6 mm thickness teeth specimen on the background resin specimens
jkacd-34-309-i003.jpg
Table 4
L*a*b* average values of 1.3 mm thickness teeth specimen on the background resin specimens
jkacd-34-309-i004.jpg
Table 5
L*a*b* average values of 1.0 mm thickness teeth specimen on the background resin specimens
jkacd-34-309-i005.jpg
Table 6-1
L*a*b* values of the background resin composites
jkacd-34-309-i006.jpg
Table 6-2
Color difference (ΔE*) of the background resins among different shade
jkacd-34-309-i007.jpg
Table 7
Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 2.2 mm thickness
jkacd-34-309-i008.jpg
Table 8
Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.9 mm thickness
jkacd-34-309-i009.jpg
Table 9
Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.6 mm thickness
jkacd-34-309-i010.jpg
Table 10
Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.3 mm thickness
jkacd-34-309-i011.jpg
Table 11
Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.0 mm thickness
jkacd-34-309-i012.jpg

Tables & Figures

REFERENCES

    Citations

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    • Influence of Use of Opaque Single-Shade Composite Resin and Residual Dentin Thickness on the Esthetic Performance of Single-Shade Composite Resin
      Suyeon Lee, Juhyun Lee, Minho Hong, Haeni Kim
      THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY.2025; 52(3): 253.     CrossRef
    • Evaluation of the color stability of light cured composite resins according to the resin matrices
      Da-Hye Yu, Hyun-Jin Jung, Sung-Hyeon Choi, In-Nam Hwang
      Korean Journal of Dental Materials.2019; 46(2): 109.     CrossRef

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      Influence of the color of composite resins applied to lingual surface on the labial tooth color
      J Korean Acad Conserv Dent. 2009;34(4):309-323.   Published online July 31, 2009
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    Influence of the color of composite resins applied to lingual surface on the labial tooth color
    Image Image Image
    Figure 1 L* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
    Figure 2 a* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
    Figure 3 b* value of the TS1 (upper) and TS8 (lower) according to thickness of teeth specimen on various resin backgrounds.
    Influence of the color of composite resins applied to lingual surface on the labial tooth color

    L*a*b* average values of 2.2 mm thickness teeth specimen on the background resin specimens

    L*a*b* average values of 1.9 mm thickness teeth specimen on the background resin specimens

    L*a*b* average values of 1.6 mm thickness teeth specimen on the background resin specimens

    L*a*b* average values of 1.3 mm thickness teeth specimen on the background resin specimens

    L*a*b* average values of 1.0 mm thickness teeth specimen on the background resin specimens

    L*a*b* values of the background resin composites

    Color difference (ΔE*) of the background resins among different shade

    Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 2.2 mm thickness

    Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.9 mm thickness

    Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.6 mm thickness

    Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.3 mm thickness

    Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.0 mm thickness

    Table 1 L*a*b* average values of 2.2 mm thickness teeth specimen on the background resin specimens

    Table 2 L*a*b* average values of 1.9 mm thickness teeth specimen on the background resin specimens

    Table 3 L*a*b* average values of 1.6 mm thickness teeth specimen on the background resin specimens

    Table 4 L*a*b* average values of 1.3 mm thickness teeth specimen on the background resin specimens

    Table 5 L*a*b* average values of 1.0 mm thickness teeth specimen on the background resin specimens

    Table 6-1 L*a*b* values of the background resin composites

    Table 6-2 Color difference (ΔE*) of the background resins among different shade

    Table 7 Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 2.2 mm thickness

    Table 8 Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.9 mm thickness

    Table 9 Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.6 mm thickness

    Table 10 Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.3 mm thickness

    Table 11 Color difference (ΔE*) of the TS1 (upper) and TS8 (lower) tooth specimen among different background at 1.0 mm thickness


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