Hybridization quality in cervical cementum and superficial dentin using current adhesives

Yuan, Yang; Shimada, Yasushi; Ichinose, Shizuko; Tagami, Junji

doi:10.1016/j.dental.2007.05.020

Cited by 13 publications

(19 citation statements)

References 18 publications

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“…2c) between H3PO4 and OUB. These moderate roughness values are compatible with a higher performance, as has been previously reported (3,4,22), by the chemical interaction between SEB and human dentin that is able to enhance the bonding mechanism (23). Roughness was drastically decreased after OUB was used, at 15x15 µm scan size ( Table 2).…”

Section: Discussionsupporting

confidence: 70%

“…Roughness was drastically decreased after OUB was used, at 15x15 µm scan size ( Table 2). The lowest roughness of this one-step selfetch bonding agent (pH=1.3) may be associated with: (a) the combination of acids, hydrophilic and hydrophobic monomers into a single solution may compromise the function of each one of these components (8,24); (b) the differential infiltration due to the phase separation of sparingly water-soluble resin components (10,25), more important when the substrate may contain high concentrations of water remaining (2, 7); and (c) the fluoroaminosilicate glass filler contained in the blend might affect the depth of demineralization in a region with thick collagen fibers (3).…”

Section: Discussionmentioning

confidence: 99%

“…In addition, elderly people are at high risk to have sub-gingival and root caries (3). Adhesion process depends not only on the adhesive system, but also on the dental substrate (4).…”

Section: Introductionmentioning

confidence: 99%

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Ultra-structure characterization of self-etching treated cementum surfaces

Aguilera¹,

Osorio²,

Toledano³

et al. 2011

Med Oral

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Objectives: to evaluate the effect of different conditioning treatments on surface roughness and topography of dental cementum. Study Design: Extracted human canines were used for the present study. The mesial surface from the cervical third of the roots were ground flat with wet 600-grit silicon carbide paper. They were polished (up to 1/4 µm diamond paste) and treated as follows: 1) No treatment, 2) 35% H3PO4 during 15 s, 3) Clearfil SE Bond primer (SEB), 4) One-Up Bond F (OUB). The adhesive systems were applied following manufacturer's instructions. SEB primer and OUB were removed from surfaces by washing and ultrasonic agitation with ascending ethanol solutions. Digital images of treated surfaces (5x5 and 15x15 µm) were obtained by means of an atomic force microscope (AFM) analysis. The average surface roughness (Ra nanometers) of the scanned areas was assessed. Data were analyzed by ANOVA and SNK multiple comparisons tests (p<0.05). Results: phosphoric acid treatment produced the highest mean roughness value, at all scan sizes. At 5x5 µm AFM images, for self-etch adhesive systems no differences in roughness were detected. At 15x15 µm, when One-Up Bond F was employed the lowest value was obtained. Conclusions: When phosphoric acid treatment was applied, cementum surface roughness increased and a strong demineralization with exposed collagen fibers could be observed.

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Section: Discussionsupporting

confidence: 70%

Section: Discussionmentioning

confidence: 99%

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Ultra-structure characterization of self-etching treated cementum surfaces

Aguilera¹,

Osorio²,

Toledano³

et al. 2011

Med Oral

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“…Ayrıca yapısındaki florun sudan hoşlanmayan doğası gereği bağlanma ara yüzündeki suyu dışa iterek azalttığı 54 için daha az nanosızıntı gösterdiği düşünülebilir. Asit uygulamasının kaldırıldığı kendinden asitli rezin simanlar (PanaviaF 2,0 ve Multilink) yüksek oranda hidrofilik monomer içerir ve suya duyarlı bu monomerler zamanla yarı geçirgen bir membran gibi davranarak arayüzde su birikmesine neden olur 55 .…”

Section: Kontrolunclassified

A Comparison Of The Performance Of Different Resin Luting Cements After Thermomechanical Aging

Öztürk¹,

Sonugelen²,

Artunç³

et al. 2016

EÜ Dişhek Fak Derg

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ÖZETAmaç: Termomekanik yaşlandırmanın farklı adeziv reziv simanların mikroçekme bağ dayanımı ve nanosızıntı miktarları üzerine etkisini incelemektir. Yöntem: Otuz adet çekilmiş üçüncü molar diş düz bir dentin yüzeyi elde etmek için su soğutması altında kesildi. Daha sonra kompozit örnekler kesilen dişlere farklı adeziv rezin simanlarla yapıştırıldı. Elde edilen örnekler kullanılan yapıştırma simanlarına göre beş gruba ayrıldı; 1-Variolink II-konvansiyonel "asitle ve yıka" rezin siman, 2-Multilink-kendinden asitli rezin siman, 3-Panavia F2.0-kendinden asitli rezin siman, 4-RelyX U200-kendinden adezivli rezin siman, 5-SuperBond C&B-konvansiyonel "asitle ve yıka" rezin siman. Her yapıştırma simanı grubu kendi içinde kontrol grubu ve çalışma (termomekanik yaşlandırma) alt grubuna ayrıldı. Kontrol grubundaki örneklere herhangi bir yaşlandırma işlemi uygulanmadı. Çalışma grubundaki örneklere 5-55ºC'de 10.000 defa termal ve 50 N'da 50.000 defa mekanik işlemi uygulandı. Örnekler %50'lik amonyaklı gümüş nitrat solüsyonunda 24 saat bekletildikten sonra bağlanma direnci testi uygulandı ve FEI-SEM/EDX ile incelendi. Bulgular: Mikroçekme bağ dayanımı ve nanosızıntının yaşlandırma işleminden etkilenmediği görüldü (p≥0,05), fakat rezin yapıştırma simanları arasında anlamlı bir fark bulundu (p≥0,05). Sonuç: Bu çalışmada kullanılan rezin yapıştırma simanların performansının termomekanik yaşlandırmadan etkilenmediği tespit edildi ve adeziv rezin simanın restorasyonun uzun ömürlü olmasında etkili olduğu sonucuna varıldı. Anahtar Kelimeler: Mikroçekme bağ dayanımı, ısıl işlem, mekanik yükleme, yapıştırma simanları ABSTRACT Objectives: To investigate the effects of the thermomechanical aging on microtensile bond strength and nanoleakage of different adhesive resin luting cements.Methods: Thirty human third molar teeth were cut under water cooling to obtain flat dentine surface. Then composite specimens were adhered onto prepared teeth with different adhesive resin cements. Samples were divided into five groups according to the luting cements used;

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“…1 Cementum is the first target for plaque bacteria attack in the process of root caries formation, 2 and is still thought to be the most unpredictable area of an adhesive resin restoration. 3 The evolution of dental bonding agents ranged from adhesives that utilize multiple-step procedures (etch-andrinse; two step self-etching adhesive systems) to the development of ''easier to use'' single component systems 4 (one-step adhesive systems). Reducing the steps of the adhesive procedure shortens the application time, and leads to a lower technique sensitivity conducted to hybridize the substrate and reduce and/or eliminate the post-operative sensitivity.…”

Section: Introductionmentioning

confidence: 99%