Effect of two different primers on the shear bond strength of metallic brackets to zirconia ceramic.
Journal
BMC oral health
ISSN: 1472-6831
Titre abrégé: BMC Oral Health
Pays: England
ID NLM: 101088684
Informations de publication
Date de publication:
28 03 2019
28 03 2019
Historique:
received:
28
06
2018
accepted:
18
03
2019
entrez:
30
3
2019
pubmed:
30
3
2019
medline:
28
11
2019
Statut:
epublish
Résumé
In view of the increasing demand of adult orthodontics for esthetic purposes, adult treatment with brackets has become an important issue. One essential factor for the quality of such treatment is bracket bonding on ceramics. For testing the adhesive bond between the bracket and the ceramic surface it is important to consider the static or cyclic loading that goes along with it. Metallic Brackets were adhesively fixed on zirconia ceramic blocks in a simulated leveling phase using two different primers (Monobond S and Monobond Etch & Prime). Half of the metallic brackets were activated using a 0.14-nickel titanium wire, while the other half remained non-activated. Shear bond testing (SBT) was performed after thermocycling. Furthermore the Adhesive Remnant Index (ARI) was analyzed. SBT resulted in significantly higher shear bond values when Monobond Etch & Prime was used compared to the use of Monobond S. Activation of the brackets did not show different results in comparison to the non-activated brackets. The ARI did not indicate cement remnants on the ceramic surface, regardless of the primer and the activation status. The use of Monobond Etch & Prime has great potential for the bonding of brackets on dental zirconia ceramics.
Sections du résumé
BACKGROUND
In view of the increasing demand of adult orthodontics for esthetic purposes, adult treatment with brackets has become an important issue. One essential factor for the quality of such treatment is bracket bonding on ceramics. For testing the adhesive bond between the bracket and the ceramic surface it is important to consider the static or cyclic loading that goes along with it.
METHODS
Metallic Brackets were adhesively fixed on zirconia ceramic blocks in a simulated leveling phase using two different primers (Monobond S and Monobond Etch & Prime). Half of the metallic brackets were activated using a 0.14-nickel titanium wire, while the other half remained non-activated. Shear bond testing (SBT) was performed after thermocycling. Furthermore the Adhesive Remnant Index (ARI) was analyzed.
RESULTS
SBT resulted in significantly higher shear bond values when Monobond Etch & Prime was used compared to the use of Monobond S. Activation of the brackets did not show different results in comparison to the non-activated brackets. The ARI did not indicate cement remnants on the ceramic surface, regardless of the primer and the activation status.
CONCLUSIONS
The use of Monobond Etch & Prime has great potential for the bonding of brackets on dental zirconia ceramics.
Identifiants
pubmed: 30922281
doi: 10.1186/s12903-019-0740-6
pii: 10.1186/s12903-019-0740-6
pmc: PMC6437858
doi:
Substances chimiques
Resin Cements
0
Zirconium
C6V6S92N3C
zirconium oxide
S38N85C5G0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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