The Effects of Er,Cr:YSGG laser on shear bond strength of orthodontic lingual brackets to CAD/CAM ceramic systems.
Cr:YSGG laser
Er
Lingual bracket
ceramic
shear bond strength
Journal
European oral research
ISSN: 2651-2823
Titre abrégé: Eur Oral Res
Pays: Turkey
ID NLM: 101738487
Informations de publication
Date de publication:
06 Sep 2023
06 Sep 2023
Historique:
received:
18
08
2022
revised:
28
11
2022
accepted:
06
12
2022
medline:
6
11
2023
pubmed:
6
11
2023
entrez:
6
11
2023
Statut:
ppublish
Résumé
The aim of this study is to compare the bond strength of lingual brackets bonded to resin-matrix and lithium disilicate based-ceramic crowns following various surface treatments. Sixty ceramic crowns (IPS Emax and Cerasmart) were fabricated by CAD/CAM. Er,Cr:YSGG laser, sandblasting with aluminium oxide and hydrofluoric acid treatment effects on ceramics was tested (n=10/group). A light-cure orthodontic adhesive was used to bond lingual brackets to the ceramic surfaces. Bond strengths of the brackets to ceramics were assessed by shear bond test. The remnant adhesive on bracket and ceramic surfaces was inspected with a light microscope and adhesive remnant index scores were recorded. The data were analyzed statistically using the Kruskal-Wallis test followed by the Mann-Whitney U-test. Cerasmart ceramic specimens showed lower shear bond strength values than IPS Emax ceramic specimens (p<0.05). The statistical analysis of the surface treatment groups regarding bond strength were ranked as follows: Laser ≤ Hydrofluoric acid ≤ Sandblasting (p=0.058). While laser-treated Cerasmart ceramic group displayed the lowest SBS (9.39 MPa), hydrofluoric acid-treated IPS Emax group had the highest (16.8 MPa) bond strength value. The use of Er,Cr:YSGG lasers for etching of CAD-CAM ceramics could be a promising alternative to "conventional techniques", to improve bond strength of lingual brackets to IPS Emax and Cerasmart ceramics.
Identifiants
pubmed: 37929218
doi: 10.26650/eor.20231163303
pii: eor-57-3-1163303
pmc: PMC10622150
doi:
Types de publication
Journal Article
Langues
eng
Pagination
122-127Informations de copyright
Copyright © 2023 European Oral Research.
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