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CC BY-NC-ND 4.0 · Eur J Dent 2014; 08(01): 058-062
DOI: 10.4103/1305-7456.126243
Original Article
Dental Investigation Society

Effect of Er:YAG laser on debonding strength of laminate veneers

Ufuk Iseri
1   Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkiye
,
Mehmet Oguz Oztoprak
2   Department of Orthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkiye
,
Zeynep Ozkurt
1   Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkiye
,
Ender Kazazoglu
1   Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkiye
,
Tulin Arun
2   Department of Orthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkiye
› Author Affiliations
Further Information

Publication History

Publication Date:
24 September 2019 (online)

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ABSTRACT

Objective: The purpose of this study was to evaluate the debonding strength of laminate veneers after using erbium-doped: yttrium aluminium garnet (Er:YAG) laser. Materials and Methods: A total of 60 bovine mandibular incisor teeth were divided into two groups (n = 30). Cylindrical specimens (0.7 mm × 5 mm) were fabricated from Empress II ceramic. Then, they were cemented to incisors using dual-cured resin cement (Variolink II). In the first group, no laser application was performed. The Er:YAG laser was applied on each laminate veneer at the test group for 9 s by using the scanning method. Shear force to remove the laminate veneers were applied with universal testing machine at a crosshead speed of 1 mm/min. Results: Results of this study exhibited significant differences between the control (27.28 ± 2.24 MPa) and test group (3.44 ± 0.69 MPa) (P < 0.05). Conclusion: This study shows that application of Er:YAG laser decreased the bond strength of laminate veneers.

Key words:

Debonding, erbium-doped:yttrium aluminium garnet laser - laminate veneers - scanning method - shear bond strength
 

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