Color stability of three dimensional-printed denture teeth exposed to various colorants

고, 은솔; 차, 현석; 김, 태형; 안, 진수; 이, 주희

doi:10.4047/jkap.2020.58.1.1

Cited by 15 publications

(24 citation statements)

References 23 publications

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“…In contrast, the present findings are consistent with the outcome of a study by Koh et al 14 The authors evaluated and compared the color stability of Dentca 3D-printed denture teeth and four conventional types of denture teeth. It was observed that Dentca denture teeth, when immersed in some colorants, showed color changes, but the maximum ΔE of 3D-printed denture teeth was within the AT limit.…”

Section: Discussionsupporting

confidence: 93%

“… 24 The obtained specimens were cleaned with isopropanol and post-print cured by immersion in glycerin for an additional 40 min using a post-curing oven (Zirlux, Zahn Dental Labs, Henry Schein, Waltham, MA, USA) to ensure the reaction of remaining monomers. 14 For the conventional heat polymerized acrylic resin specimens, the lost wax technique was followed. The prepared wax pattern was processed to PMMA using the flask-press-pack method.…”

Section: Methodsmentioning

confidence: 99%

“… 11 13 3D-printed dentures are usually produced by the stereolithography (SLA) method, which involves layer by layer laser beam scanning and polymerization of the methacrylate-based photocurable resin. 14 15 …”

Section: Introductionmentioning

confidence: 99%

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Color stability of 3D-printed denture resins: effect of aging, mechanical brushing and immersion in staining medium

et al. 2021

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PURPOSE This in-vitro study evaluated and compared the color stability of 3D-printed and conventional heat-polymerized acrylic resins following aging, mechanical brushing, and immersion in staining medium. MATERIALS AND METHODS Forty disc-shaped specimens (10 mm in diameter and 3 mm thick) were prepared from two 3D-printed [DentaBASE (DB) and Denture 3D+ (D3D)] and one conventional polymethylmethacrylate (PMMA) denture materials. The specimens were thermo-cycled, subjected to mechanical brushing, and were immersed in either coffee, lemon juice, coke, or artificial saliva (AS) to simulate one and two years of oral use. Color measurements of the specimens were recorded by a spectrophotometer at baseline (T0), and after one (T1) and two years (T2) of simulation. The color changes (∆E) were determined and also quantified according to the National Bureau of Standards (NBS) units. Descriptive statistics, followed by factorial ANOVA and Bonferroni post-hoc test (α=.05), were applied for data analysis. RESULTS The independent factors, namely material, staining medium, and immersion time, and interaction among these factors significantly influenced ∆E ( P <.009). Irrespective of the materials, treatments, and time, the highest and the lowest mean ∆Es were observed for PMMA in lemon juice (4.58 ± 1.30) and DB in AS (0.41 ± 0.18), respectively. Regarding the material type, PMMA demonstrated the highest mean ∆E (2.31 ± 1.37), followed by D3D (1.67 ± 0.66), and DB (0.85 ± 0.52), and the difference in ∆E between the materials were statistically significant ( P <.001). All the specimens demonstrated a decreased color changes at T2 compared to T1, and this difference in mean ∆E was statistically significant ( P <.001). CONCLUSION The color changes of 3D-printed denture resins were low compared to conventional heat polymerized PMMA. All the tested materials, irrespective of the staining medium used, demonstrated a significant decrease in ∆E values over time.

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Section: Discussionsupporting

confidence: 93%

Section: Methodsmentioning

confidence: 99%

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Color stability of 3D-printed denture resins: effect of aging, mechanical brushing and immersion in staining medium

et al. 2021

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“…Efficiency is one of the driving factors towards workflow optimization through digital dentistry. There are mainly two protocols for the fabrication of digital dentures-the subtractive and the additive [53]. With the subtractive method, the denture base is milled from a pre-polymerized resin blank.…”

Section: Manufacturing Techniques For 3d Printed Removable Denturesmentioning

confidence: 99%

Comparison between Conventional PMMA and 3D Printed Resins for Denture Bases: A Narrative Review

et al. 2022

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The aim of the current paper is to review the available literature reporting on comparative studies of heat-cured resins and three-dimensionally printed biomaterials for denture bases in terms of their composition, properties, fabrication techniques and clinical performance. The methodology included applying a search strategy, defining inclusion and exclusion criteria, selecting studies to summarize the results. Searches of PubMed, Scopus, and Embase databases were performed independently by three reviewers to gather literature published between 2018 and 2021. A total of 135 titles were obtained from the electronic databases, and the application of exclusion criteria resulted in the identification of 42 articles pertaining to conventional and 3D printed technology for removable dentures. The main disadvantages of the heat-cured resins for removable dentures are that they require lots of special equipment, skilled personnel and time. Emerging technologies, such as 3D printed dentures, have the potential to alleviate these problems allowing for faster patient rehabilitation. With the development of digital dentistry, it is becoming increasingly necessary to use 3D printed resin materials for the manufacturing of removable dentures. However, further research is required on the existing and developing materials to allow for advancement and increase its application in removable prosthodontics.

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“…Koh ve ark. 100 çeşitli renklendiricilerde, SLA ile üç boyutlu üretilmiş dişlerin renk stabilitesini, farklı prefabrike dişlerle karşılaştırmış, aralarında anlamlı bir fark bulmamışlardır.…”

Section: Geçici Protezlerunclassified

Üç Boyutlu Yazicilarin Dental Kullaniminda Güncel Proteti̇k Yaklaşimlar

Arslan¹,

Nalbant²,

Nalbant³

et al. 2021

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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Diş hekimliğinde, diğer birçok alanda olduğu gibi, dental materyallerin üretimi de dijitalleşmekte, bilgisayar destekli tasarım ve üretim giderek yaygınlaşmaktadır. Bilgisayar destekli üretim yöntemlerinden biri olan eklemeli üretimin diş hekimliğinde kullanım alanları, tasarım özgürlüğü, hızlı ve hatasız üretim, malzeme ve iş gücü tasarrufu gibi avantajlarıyla son yıllarda artmıştır. Dijital ortodonti, cerrahi kılavuzlar, üç boyutlu modeller, dental implantlar ve protetik restorasyonlar olmak üzere çok geniş bir alanda kullanılan üç boyutlu yazıcıların, gelecekte diş hekimliğinde dijital üretim için ana yöntem haline geleceği öngörülmektedir. Bu derlemenin amacı mevcut eklemeli üretim teknolojisinin ana süreçlerini, malzemelerini ve uygulamalarını gözden geçirmek, son yıllarda avantajları ve dezavantajlarıyla üç boyutlu yazıcıların dental kullanımını ve protetik gelişmeleri değerlendirmektir.

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Color stability of three dimensional-printed denture teeth exposed to various colorants

Cited by 15 publications

References 23 publications

Color stability of 3D-printed denture resins: effect of aging, mechanical brushing and immersion in staining medium

Color stability of 3D-printed denture resins: effect of aging, mechanical brushing and immersion in staining medium

Comparison between Conventional PMMA and 3D Printed Resins for Denture Bases: A Narrative Review

Üç Boyutlu Yazicilarin Dental Kullaniminda Güncel Proteti̇k Yaklaşimlar

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