Effect of Er:YAG laser etching on topography, microstructure, compressive strength, and bond strength of a universal adhesive to calcium silicate cements.

Tytuł:: Effect of Er:YAG laser etching on topography, microstructure, compressive strength, and bond strength of a universal adhesive to calcium silicate cements.
Autorzy:: Shafiei F; Oral and Dental Disease Research Center, Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Dehghanian P; Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Memarpour M; Oral and Dental Disease Research Center, Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. .
Sabeti M; Advanced Specialty Education Program in Endodontics Diploma, American Board of Endodontics, Department of Endodontics, School of Dentistry, University of California, San Francisco, CA, USA.
Źródło:: Clinical oral investigations [Clin Oral Investig] 2020 Feb; Vol. 24 (2), pp. 711-718. Date of Electronic Publication: 2019 May 24.
Typ publikacji:: Journal Article
Język:: English
Imprint Name(s):: Publication: Berlin : Springer-Verlag
Original Publication: Berlin : Springer, c1997-
MeSH Terms:: Compressive Strength*
Dental Bonding*
Lasers, Solid-State*
Acid Etching, Dental ; Calcium Compounds ; Dental Cements ; Materials Testing ; Shear Strength ; Silicates ; Surface Properties
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Grant Information:: 16026 Shiraz University of Medical Sciences
Contributed Indexing:: Keywords: Acid etching; Biodentine; Bond strength; Compressive strength; Laser etching; Mineral trioxide aggregate-Angelus
Substance Nomenclature:: 0 (Calcium Compounds)
0 (Dental Cements)
0 (Silicates)
S4255P4G5M (calcium silicate)
Entry Date(s):: Date Created: 20190526 Date Completed: 20200227 Latest Revision: 20200305
Update Code:: 20240104
DOI:: 10.1007/s00784-019-02903-2
PMID:: 31127428
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Objective: To evaluate the effect of Er:YAG etching on topography, microstructure, compressive strength, and shear bond strength (SBS) of All-Bond Universal adhesive to mineral trioxide aggregate-Angelus (AMTA) and Biodentine (BD).
Methods and Materials: Sixty cylindrical specimens of each cement (AMTA and BD) in five groups were prepared and stored for 72 h. The control groups were non-etched, and four other groups were acid-etched and laser-etched with a pulse energy of 60, 80, or 100 mJ, followed by compressive strength testing. Surface micromorphology and topography were evaluated. Similar groups were bonded using All-Bond Universal with self-etch and etch-and-rinse (acid-etch) approaches, and laser-etch 60, 80, and 100 mJ, and SBS was tested. Data were analyzed using two-way and one-way ANOVA and the Bonferroni post hoc tests (α = 0.05).
Results: BD had a significantly higher compressive strength and SBS (except for laser-etch 100) compared to AMTA, regardless of the etching method (p < 0.001). Acid etching and laser etching 100 of both cements and laser etching 80 of BD alone produced a significantly lower compressive strength than that for the other groups. Contrary to BD, for AMTA, all the treatments significantly increased SBS compared to that of the self-etch group.
Conclusions: Etching of AMTA was needed for stronger bonding; laser etching with 60 or 80 mJ without compromising compressive strength was recommended. Etching not only did not improve bonding ability of BD, but it also negatively affected the strength of BD.
Clinical Relevance: To achieve successful combined calcium silicate cement-resin material restoration, an adequate bond between the materials is mandatory. This might be provided with the ultramild adhesive through laser etching without compromising compressive strength, depending on cement composition and laser energy level used.

Erratum in: Clin Oral Investig. 2019 Oct 16;:. (PMID: 31620938)

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