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

doi:10.5395/JKACD.2009.34.4.309

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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; Journal of Korean Academy of Conservative Dentistry 2009;34(4):309-323.
DOI: https://doi.org/10.5395/JKACD.2009.34.4.309
Published online: July 31, 2009

Department of Conservative Dentistry, School of Dentistry, DSRI, Chonnam National University, Korea.

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

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Abstract
REFERENCES

Abstract

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.
Keywords: tooth color; resin color; colorimeter; enamel color; background color

REFERENCES

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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.

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.

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

Tables & Figures

REFERENCES

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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

DOI: https://doi.org/10.5395/JKACD.2009.34.4.309

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Figure

Influence of the color of composite resins applied to lingual surface on the labial tooth color

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.

Figure 1

Figure 2

Figure 3

Influence of the color of composite resins applied to lingual surface on the labial tooth color

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

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