Influence of cold atmospheric-pressure-plasma in combination with different pretreatment methods on the pull-off tensile load in two-piece abutment-crowns: an in-vitro study

Autor: Carolin-Isabel Görgen, Kawe Sagheb, Karl Martin Lehmann, Irene Schmidtmann, Stefan Wentaschek
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMC Oral Health, Vol 23, Iss 1, Pp 1-10 (2023)
Druh dokumentu: article
ISSN: 1472-6831
DOI: 10.1186/s12903-023-02880-9
Popis: Abstract Background In implant prosthetic dentistry, the adhesive connection of individualized ceramic crowns and prefabricated titanium bases leads to several benefits. However, the durability of the bonding could be a weak point and especially depends on sufficient surface pretreatment. Cold atmospheric-pressure plasma (CAP) is a pretreatment method that should improve the surface properties without physical damage. Thus, the purpose of this study was to investigate the influence of CAP treatment on pull-off tensile load in two-piece abutment crowns. Methods Eighty zirconia crowns and titanium bases were divided into eight groups (n = 10) according to their surface pretreatment prior to cementation with Panavia V5: no treatment (A); sandblasting (B); 10-MDP primer (C); sandblasting and primer (D); CAP (AP); sandblasting and CAP (BP); CAP and primer (CP); sandblasting, CAP and primer (DP). The specimens were thermocycled (5°/55°, 5000 cycles), and then the pull-off tensile load (TL) was measured. Statistical analyses were performed using three-way ANOVA with Tukey post-hoc and Fisher’s exact tests. Results The results showed that the TL was highest in group D (p
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