Effect of post-curing parameters and material thickness on the color stability of 3D-printed dental resins: An in vitro study

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dc.authoridDuran, Gökhan Serhat / 0000-0001-6152-6178
dc.contributor.authorTopsakal, Kübra Gülnur
dc.contributor.authorAksoy, Merve
dc.contributor.authorSukut, Yağızalp
dc.contributor.authorDuran, Gökhan Serhat
dc.date.accessioned2025-05-29T02:57:58Z
dc.date.available2025-05-29T02:57:58Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractObjective > To assess the effect of variations in post-curing temperatures and times on the colour stability of 3D-printed resins used in orthodontics and paediatric dentistry applications and the effect of material thickness on colour properties was also examined. Methods > The two different disk samples (15.00 x 1.0 mm, n = 90; 15.00 x 2.00, n = 90; diameter and height, respectively) were designed and printed from biocompatible resin with SLA technology. These samples were subjected to various post-curing temperatures and times (60 degrees C and 30 min, 60 degrees C and 90 min, 60 degrees C and 120 min, 60 degrees C and 60 min, 40 degrees C and 60 min, 80 degrees C and 60 min). The values of L, a, and b of the 3D-printed resin samples were evaluated under D65 illumination conditions in the centre of the samples using a spectrophotometer. The same researcher recorded the average values after the measurements were performed three times for each sample. Results > The results indicated significant differences in colour stability (L, a, b values) among samples subjected to different post-curing conditions. Variations in post-curing time and temperature significantly affected the colour of the resins. The study found that certain post-curing conditions could lead to acceptable colour values that are similar to natural teeth. Conclusions > The study concluded that the time and temperature of post-curing significantly affected the colour properties of 3D-printed clear resins used in orthodontic applications. It suggests that a 30-minute post-curing time can yield acceptable colour values, highlighting the importance of selecting appropriate post-curing conditions based on clinical requirements. Additionally, an increase in material thickness was found to correlate with increased yellowness in the samples. Clinical significance > The changes in post-curing temperature and time may impact colour properties. Clinicians should consider this situation when manufacturing with 3D printing.
dc.identifier.doi10.1016/j.ortho.2025.100985
dc.identifier.issn1761-7227
dc.identifier.issn1879-680X
dc.identifier.issue2
dc.identifier.pmid39951911
dc.identifier.scopus2-s2.0-85217382019
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.ortho.2025.100985
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30211
dc.identifier.volume23
dc.identifier.wosWOS:001434916000001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Masson Sas Editeur
dc.relation.ispartofInternational Orthodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250529
dc.subject3D printing
dc.subjectColour properties
dc.subjectPolymers post-curing
dc.subjectPolymerization
dc.titleEffect of post-curing parameters and material thickness on the color stability of 3D-printed dental resins: An in vitro study
dc.typeArticle

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