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Color Stability of 3D-Printed Orthod...

Cook, Payton.

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Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin./
作者:	Cook, Payton.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	55 p.
附註:	Source: Masters Abstracts International, Volume: 84-08.
Contained By:	Masters Abstracts International84-08.
標題:	Dentistry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30250143
ISBN:	9798374410686

Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin.
Cook, Payton.

Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 55 p.

Source: Masters Abstracts International, Volume: 84-08.

Thesis (M.Sc.D.)--The University of Texas School of Dentistry at Houston, 2023.

OBJECTIVE: To determine the effect of common beverages and accelerated aging on the color stability of denture teeth resins.MATERIALS AND METHODS: Formlabs denture teeth resin (shades B1, A1, A2, and A3) was used to print discs with a 2 mm thickness and 10 mm diameter on a Formlabs 3B printer. The discs were then post-processed as per manufacturer's instructions. Subsequently, discs were immersed in either 5 ml of coffee, tea, red wine, or distilled water for 7 days, or subjected to accelerated aging as per ISO Standard 4892-2. Ten samples per resin shade were assigned to each treatment condition (n=10) resulting in 200 samples total. Color measurements were performed on the discs before and after treatment using a spectrophotometer against white and black reference tiles to assess color and translucency in accordance with the CIE2000 formula.RESULTS: The effects of the denture tooth resin shade, the treatment condition, and the interaction of resin shade and treatment condition were statistically significant for ΔE00 and ΔTP00 (P<0.001). The most dramatic changes in color (ΔE00) were a result of the extrinsic staining effects of red wine on all four denture teeth resin shades, ranging from 5.5 ± 0.7 to 9.1 ± 1.4. Formlabs Denture Teeth Resin Shade B1 was the most resistant to staining.CONCLUSIONS: Accelerated aging and staining solutions induced significant changes in color and translucency of 3D-printed Formlabs Denture Teeth resin. Formlabs Denture Teeth resins in shade B1 and A1 exhibited intrinsic changes in color with aging, while the color of shade A2 and A3 resin remained stable with aging. The color changes of the resins investigated did not support their use in 3D-printed esthetic bracket applications.

ISBN: 9798374410686Subjects--Topical Terms:

828971
Dentistry.
Subjects--Index Terms:

3D-Printed

Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin.
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245 1 0 $a Color Stability of 3D-Printed Orthodontic Brackets Using Denture Teeth Resin.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 55 p.
500 $a Source: Masters Abstracts International, Volume: 84-08.
500 $a Advisor: Kasper, F. Kurt;English, Jeryl D.
502 $a Thesis (M.Sc.D.)--The University of Texas School of Dentistry at Houston, 2023.
520 $a OBJECTIVE: To determine the effect of common beverages and accelerated aging on the color stability of denture teeth resins.MATERIALS AND METHODS: Formlabs denture teeth resin (shades B1, A1, A2, and A3) was used to print discs with a 2 mm thickness and 10 mm diameter on a Formlabs 3B printer. The discs were then post-processed as per manufacturer's instructions. Subsequently, discs were immersed in either 5 ml of coffee, tea, red wine, or distilled water for 7 days, or subjected to accelerated aging as per ISO Standard 4892-2. Ten samples per resin shade were assigned to each treatment condition (n=10) resulting in 200 samples total. Color measurements were performed on the discs before and after treatment using a spectrophotometer against white and black reference tiles to assess color and translucency in accordance with the CIE2000 formula.RESULTS: The effects of the denture tooth resin shade, the treatment condition, and the interaction of resin shade and treatment condition were statistically significant for ΔE00 and ΔTP00 (P<0.001). The most dramatic changes in color (ΔE00) were a result of the extrinsic staining effects of red wine on all four denture teeth resin shades, ranging from 5.5 ± 0.7 to 9.1 ± 1.4. Formlabs Denture Teeth Resin Shade B1 was the most resistant to staining.CONCLUSIONS: Accelerated aging and staining solutions induced significant changes in color and translucency of 3D-printed Formlabs Denture Teeth resin. Formlabs Denture Teeth resins in shade B1 and A1 exhibited intrinsic changes in color with aging, while the color of shade A2 and A3 resin remained stable with aging. The color changes of the resins investigated did not support their use in 3D-printed esthetic bracket applications.
590 $a School code: 1707.
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650 4 $a Biomedical engineering. $3 535387
653 $a 3D-Printed
653 $a Color stability
653 $a Denture teeth resin
653 $a Formlabs
653 $a Orthodontic brackets
690 $a 0567
690 $a 0541
710 2 $a The University of Texas School of Dentistry at Houston. $b Orthodontics. $3 3553605
773 0 $t Masters Abstracts International $g 84-08.
790 $a 1707
791 $a M.Sc.D.
792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30250143