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Color Stability of 3D Printed Dentur...

Pascual, Melissa,

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Color Stability of 3D Printed Denture Teeth Resins /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Color Stability of 3D Printed Denture Teeth Resins // Melissa Pascual.
作者:	Pascual, Melissa,
面頁冊數:	1 electronic resource (62 pages)
附註:	Source: Masters Abstracts International, Volume: 86-12.
Contained By:	Masters Abstracts International86-12.
標題:	Dentistry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=32115577
ISBN:	9798280762923

Color Stability of 3D Printed Denture Teeth Resins /
Pascual, Melissa,

Color Stability of 3D Printed Denture Teeth Resins /Melissa Pascual. - 1 electronic resource (62 pages)

Source: Masters Abstracts International, Volume: 86-12.

OBJECTIVE: To evaluate the long-term color stability and translucency of 3D printed denture teeth under simulated oral conditions.MATERIALS AND METHODS: Five groups of denture teeth materials were tested: three 3D printed resins (Premium Teeth HT [PT], Rodin Titan [RT], Lucitone Digital IPN with and without sealer [IPNS, IPNP]) and one milled PMMA resin (Ivotion Dent [ID]). Specimens (n=125) were fabricated into standardized square shapes (14x14x2.5 mm) and subjected to staining agents (coffee, tea, wine, distilled water) and artificial accelerated aging (AAA). Color and translucency were measured at baseline, after 3.5 days/after exposure to 150 kJ/m² of irradiance (T1), and after 7 days/after 300 kJ/m² of irradiance (T2) using a spectrophotometer. Color differences (ΔE₀₀) and translucency parameter differences (ΔTP₀₀) were calculated using the CIEDE2000 formula. Two-way ANOVA and Tukey's post-hoc tests were used for statistical analysis (α = 0.05).RESULTS: Significant interactions between material type and test condition were observed across all time intervals for both ΔE₀₀ and ΔTP₀₀ (p < 0.000001). RT exhibited the most pronounced color and translucency changes, with ΔE₀₀ values consistently exceeding the acceptability threshold (1.8) and ΔTP₀₀ values surpassing the translucency threshold (2.6), particularly in wine and tea. PT showed moderate changes, exceeding thresholds in wine and AAA. ID demonstrated the most stable performance, with all values remaining within perceptibility limits. Both IPNS and IPNP showed unacceptable color changes across all conditions, with no significant benefit from the sealer application.CONCLUSIONS: Within the limitations of this in vitro study, statistically significant differences in color and translucency stability were observed among the tested 3D printed and milled denture teeth materials when exposed to various staining solutions and artificial accelerated aging. Among the evaluated materials, RT exhibited the greatest susceptibility to esthetic degradation, with both color and translucency changes exceeding clinically acceptable thresholds. In contrast, the subtractively manufactured ID demonstrated the most consistent and clinically acceptable performance across all test conditions.

English

ISBN: 9798280762923Subjects--Topical Terms:

828971
Dentistry.
Subjects--Index Terms:

3D printed denture

Color Stability of 3D Printed Denture Teeth Resins /
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500 $a Source: Masters Abstracts International, Volume: 86-12.
500 $a Advisors: Pereira Sanchez, Natalie A. Committee members: Gonzalez, Maria D.; Gardner, Amity L.
502 $b M.Sc.D. $c The University of Texas School of Dentistry at Houston $d 2025.
520 $a OBJECTIVE: To evaluate the long-term color stability and translucency of 3D printed denture teeth under simulated oral conditions.MATERIALS AND METHODS: Five groups of denture teeth materials were tested: three 3D printed resins (Premium Teeth HT [PT], Rodin Titan [RT], Lucitone Digital IPN with and without sealer [IPNS, IPNP]) and one milled PMMA resin (Ivotion Dent [ID]). Specimens (n=125) were fabricated into standardized square shapes (14x14x2.5 mm) and subjected to staining agents (coffee, tea, wine, distilled water) and artificial accelerated aging (AAA). Color and translucency were measured at baseline, after 3.5 days/after exposure to 150 kJ/m² of irradiance (T1), and after 7 days/after 300 kJ/m² of irradiance (T2) using a spectrophotometer. Color differences (ΔE₀₀) and translucency parameter differences (ΔTP₀₀) were calculated using the CIEDE2000 formula. Two-way ANOVA and Tukey's post-hoc tests were used for statistical analysis (α = 0.05).RESULTS: Significant interactions between material type and test condition were observed across all time intervals for both ΔE₀₀ and ΔTP₀₀ (p < 0.000001). RT exhibited the most pronounced color and translucency changes, with ΔE₀₀ values consistently exceeding the acceptability threshold (1.8) and ΔTP₀₀ values surpassing the translucency threshold (2.6), particularly in wine and tea. PT showed moderate changes, exceeding thresholds in wine and AAA. ID demonstrated the most stable performance, with all values remaining within perceptibility limits. Both IPNS and IPNP showed unacceptable color changes across all conditions, with no significant benefit from the sealer application.CONCLUSIONS: Within the limitations of this in vitro study, statistically significant differences in color and translucency stability were observed among the tested 3D printed and milled denture teeth materials when exposed to various staining solutions and artificial accelerated aging. Among the evaluated materials, RT exhibited the greatest susceptibility to esthetic degradation, with both color and translucency changes exceeding clinically acceptable thresholds. In contrast, the subtractively manufactured ID demonstrated the most consistent and clinically acceptable performance across all test conditions.
546 $a English
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650 4 $a Dentistry. $3 828971
650 4 $a Biomedical engineering. $3 535387
653 $a 3D printed denture
653 $a Color stability
653 $a Denture teeth
653 $a Translucency
653 $a Rodin Titan
690 $a 0567
690 $a 0541
710 2 $a The University of Texas School of Dentistry at Houston. $b Prosthodontics. $e degree granting institution. $3 3829609
720 1 $a Pereira Sanchez, Natalie A. $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-12.
790 $a 1707
791 $a M.Sc.D.
792 $a 2025
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=32115577