The effect of autoclave cycles on the mechanical properties and surface roughness of NiTi archwires: ex-vivo study.
Clinical recycling
Mechanical properties
Rapid-cycle autoclaving
Surface roughness
Universal-cycle autoclaving
Journal
BMC oral health
ISSN: 1472-6831
Titre abrégé: BMC Oral Health
Pays: England
ID NLM: 101088684
Informations de publication
Date de publication:
24 Oct 2024
24 Oct 2024
Historique:
received:
05
07
2024
accepted:
06
09
2024
medline:
25
10
2024
pubmed:
25
10
2024
entrez:
25
10
2024
Statut:
epublish
Résumé
To evaluate the effect of the universal and rapid autoclave cycles on the mechanical properties and surface roughness of nickel-titanium archwires following clinical use. Thirty-six NiTi archwires (0.016 × 0.022 inch) were equally divided into a control group (Group A) and 2 experimental groups (Group B & C). Wires in group A were tested in the "as-received" form. Wires in the two other groups were installed in patients mouth for 4 weeks, and then autoclaved using the rapid-cycle (Group B) or the universal-cycle (Group C). All wires were subjected to 3-point bending test to calculate the elastic limit, modulus of elasticity, spring-back, yield strength, resilience and toughness. Atomic force microscopy (AFM) was used for surface roughness qualitative and quantitative analysis. Group B showed significantly higher values of elastic limit, modulus of elasticity, resilience, yield strength and toughness than the other two groups. No significant differences were detected between groups A and C (P > 0.05). Group B showed significantly lower average surface roughness than the other two groups, but no significant differences were detected between groups A and C (P > 0.05). The mechanical properties and surface roughness of clinically used NiTi wires were less affected by the universal-cycle than the rapid-cycle autoclaving. However, the difference between the effect of both autoclave cycles was diminutive. The mechanical properties and surface roughness of the tested NiTi wires were not notably altered by clinical use and autoclaving.
Identifiants
pubmed: 39448972
doi: 10.1186/s12903-024-04877-4
pii: 10.1186/s12903-024-04877-4
doi:
Substances chimiques
Nickel
7OV03QG267
Titanium
D1JT611TNE
titanium nickelide
12035-60-8
Dental Alloys
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1284Informations de copyright
© 2024. The Author(s).
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