Comparative evaluation of mutagenic effects of two cone-beam computed tomography in oral mucosa cells.
cone beam computed tomography
genotoxicity
ionizing radiation
micronucleus tests
oral mucosa
Journal
Diagnostic cytopathology
ISSN: 1097-0339
Titre abrégé: Diagn Cytopathol
Pays: United States
ID NLM: 8506895
Informations de publication
Date de publication:
Dec 2023
Dec 2023
Historique:
revised:
05
07
2023
received:
12
04
2023
accepted:
23
07
2023
medline:
2
11
2023
pubmed:
3
8
2023
entrez:
3
8
2023
Statut:
ppublish
Résumé
This pilot study aimed to evaluate the mutagenic effects in cells of the oral mucosa after exposure to two different cone beam computed tomography (CBCT). Eighteen adults were submitted to the different CBCT (Carestream CS8100 3D and I-CAT). The cells were collected immediately before the CBCT exposure and 10 days later, when the material was placed on a slide and stained using the Feulgen/Fast Green technique. Microscopic analysis counted micronuclei and other nuclear alterations, which are indicative of cytotoxicity such as pyknosis, karyolysis, karyorrhexis, and binucletion. 2000 cells were analyzed. The statistical analysis was performed with the Wilcoxon Signed-Rank test to compare the frequency of cellular alterations, and the Mann-Whitney U test to compare different CBCTs, both with a significance level of 5%. There was no statistically significant difference in the micronucleated cell count before and after the exposition to the ionizing radiation from I-CAT (p = .298) and CS8100 3D (p = .203) A significate increase of pyknosis (p < .001), karyolysis (p < .001), karyorrhexis (p < .001), and binucletion (p < .001) were noted on I-CAT CBCT. There was no statistically significant difference in cellular alterations in CS8100 3D CBCT. Despite the increase in micronuclei after exposure, this study indicates that there is no evidence of genotoxicity. On the other hand, the I-CAT CBCT produced cytotoxic effects.
Sections du résumé
BACKGROUND
BACKGROUND
This pilot study aimed to evaluate the mutagenic effects in cells of the oral mucosa after exposure to two different cone beam computed tomography (CBCT).
METHODS
METHODS
Eighteen adults were submitted to the different CBCT (Carestream CS8100 3D and I-CAT). The cells were collected immediately before the CBCT exposure and 10 days later, when the material was placed on a slide and stained using the Feulgen/Fast Green technique. Microscopic analysis counted micronuclei and other nuclear alterations, which are indicative of cytotoxicity such as pyknosis, karyolysis, karyorrhexis, and binucletion. 2000 cells were analyzed. The statistical analysis was performed with the Wilcoxon Signed-Rank test to compare the frequency of cellular alterations, and the Mann-Whitney U test to compare different CBCTs, both with a significance level of 5%.
RESULTS
RESULTS
There was no statistically significant difference in the micronucleated cell count before and after the exposition to the ionizing radiation from I-CAT (p = .298) and CS8100 3D (p = .203) A significate increase of pyknosis (p < .001), karyolysis (p < .001), karyorrhexis (p < .001), and binucletion (p < .001) were noted on I-CAT CBCT. There was no statistically significant difference in cellular alterations in CS8100 3D CBCT.
CONCLUSION
CONCLUSIONS
Despite the increase in micronuclei after exposure, this study indicates that there is no evidence of genotoxicity. On the other hand, the I-CAT CBCT produced cytotoxic effects.
Substances chimiques
Mutagens
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
729-734Subventions
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior-Brasil (CAPES)
Informations de copyright
© 2023 Wiley Periodicals LLC.
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