Assessment of colour modifications in two different composite resins induced by the influence of chlorhexidine mouthwashes and gels, with and without anti-staining properties: An in vitro study.
chlorhexidine
colour
composites
flowable
in vitro study
stain
Journal
International journal of dental hygiene
ISSN: 1601-5037
Titre abrégé: Int J Dent Hyg
Pays: England
ID NLM: 101168070
Informations de publication
Date de publication:
11 Sep 2023
11 Sep 2023
Historique:
revised:
12
08
2023
received:
29
03
2023
accepted:
28
08
2023
medline:
11
9
2023
pubmed:
11
9
2023
entrez:
11
9
2023
Statut:
aheadofprint
Résumé
Chlorhexidine (CHX)-based products are the most effective chemical agents used in plaque control and oral disinfection. One of their side effects is tooth and restoration staining. For this reason, CHX products with anti-discolouration systems (ADS) have been developed. The aim of this in vitro study was to compare different CHX-based products (gel and mouthwash) with or without ADS in composite colour modification. Two hundred specimens were created, 100 of which were made of packable composite and 100 of flowable composite. After 24 h, colour coordinates (L*, a*, b*, C*, h°) were recorded using a spectrophotometer (T0). Then, all samples were subjected to a CHX/tea staining model and immersed in human saliva for 2 min. Composite specimens were divided in 10 groups (N = 20). Control groups (PC, FC) were soaked in distilled water and test groups (PG, PGads, FG, FGads, PM, PMads, FM and FMads) were immersed in CHX-based solutions or brushed with CHX gel. Then the cycle was repeated 6 times, and colour differences (ΔE Through flowable composites, FC and FG showed the highest colour differences, respectively ΔE CHX-containing products are able to cause stains on restorative composite materials. Discolouration is more likely to occur in flowable composites than packable composites, and ADS-containing products cause fewer pigmentations than CHX products without ADS. Packable composites showed more staining after mouthwash treatment, whereas flowable composites underwent higher discolouration after treatment with gels.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2023 The Authors. International Journal of Dental Hygiene published by John Wiley & Sons Ltd.
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