Reversal of reduced bond strength after bleaching
Küçük Resim Yok
Tarih
2010
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
This article investigated how the shear bond strength of a luting resin to dentin was affected by antioxidant treatment and delayed bonding after bleaching with carbamide peroxide. Using a low-speed diamond saw, 40 flat dentin surfaces were prepared from freshly extracted human molars and divided into three bleaching groups (n= 10) and a control group (n= 10). Group 1 consisted of specimens bonded immediately after bleaching. Group 2 specimens were treated with an antioxidant agent (10% sodium ascorbate), while Group 3 specimens were immersed in artificial saliva for one week after bleaching. Specimens in Group 4 were not bleached but were immersed in artificial saliva for one week before bonding Forty ceramic blocks were prepared and luted to teeth using a dual-curing resin cement. The specimens were thermocycled and the shear bond strength tests were performed using a universal testing machine. Fracture analysis was performed using a scanning electron microscope. While the Group 1 samples demonstrated the lowest shear bond strengths (11. 9 ± 3 MPa) (p < 0. 05), no significant differences were found among samples in Group 2 (26. 3 ± 7. 1 MPa), Group 3 (20. 7 ±6. 5 MPa), and Group 4 (22. 1 ± 2. 5 MPa) (p? 0. 05).
Açıklama
Anahtar Kelimeler
Kaynak
General Dentistry
WoS Q Değeri
Scopus Q Değeri
Q3
Cilt
58
Sayı
3
