2020
DOI: 10.1111/eos.12694
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Effect of smear layer deproteinization with HOCl solution on the dentin bonding of conventional and resin‐modified glass‐ionomer cements

Abstract: Effect of smear layer deproteinization with HOCl solution on the dentin bonding of conventional and resin-modified glass-ionomer cements. Eur J Oral Sci 2020; 128: 255-262. © 2020 Eur J Oral SciThe effect of smear layer-deproteinizing pretreatment using hypochlorous acid (HOCl) on the micro-shear bond strengths (lSBS) of conventional and resin-modified glass-ionomer cements (GIC) to dentin was investigated and compared with demineralizing pretreatment with polyacrylic acid (PAA). Three GICs: Fuji IX GP Extra (… Show more

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Cited by 6 publications
(9 citation statements)
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“…The application of the solutions for 5 s did not have a significant effect on the amideto-phosphate ratios on the smear layer-covered dentin, but their application for 15 s and 30 s significantly decreased the ratios regardless of the wash-out time. However, the smear layer was still observed using SEM after the pretreatments, indicating that the dissolution of the organic phase occurred only within the smear layer 6,8,32,33) and that its inorganic phase remained on the bonding surface. This finding agrees with previous studies where no morphological alterations of the smear layer-covered sound dentin surface were observed after the deproteinizing pretreatment 6,8) .…”
Section: Discussionmentioning
confidence: 99%
“…The application of the solutions for 5 s did not have a significant effect on the amideto-phosphate ratios on the smear layer-covered dentin, but their application for 15 s and 30 s significantly decreased the ratios regardless of the wash-out time. However, the smear layer was still observed using SEM after the pretreatments, indicating that the dissolution of the organic phase occurred only within the smear layer 6,8,32,33) and that its inorganic phase remained on the bonding surface. This finding agrees with previous studies where no morphological alterations of the smear layer-covered sound dentin surface were observed after the deproteinizing pretreatment 6,8) .…”
Section: Discussionmentioning
confidence: 99%
“…Polyacid-modified resin composites (compomers) claim to combine the mechanical and aesthetic properties of composites with the fluoride-releasing advantages of conventional GICs so the resultant material is a low-fluoride-releasing resin composite that contains vinyl groups that can be polymerized by visible light-activated initiators. Polyacrylic acid pretreatment significantly increases the micro-SBS (μSBS) of all cements (Paing et al, 2020). All these cements have relatively low cohesion and are relatively fragile.…”
Section: Dental Assembly Materials Cementmentioning
confidence: 99%
“…11 Bu nedenle, kendinden adezivli rezin simanların bağlanma kalitesini geliştirebilmek amacıyla, sodyum hipoklorit, hipokloröz asit veya poliakrilik asit uygulaması gibi farklı yöntemlerle smear tabakasının deproteinizasyonu veya uzaklaştırılması gibi yöntemler uygulanması güncel araştırmaların konusu olmuştur. [12][13][14] Smear tabakası kaplı dentin yüzeyine fosforik asit uygulandığında, smearın inorganik kısmını ortadan kaldırır ve oluşturulan mikro gözenekler ile mekanik kenetlenmeyi kolaylaştırır. 15 Ancak fosforik asit uygulaması smear tabakası içerisindeki organik içeriğe etki etmez.…”
unclassified
“…16 Proteolitik aktiviteleri göz önüne alındığında, NaOCl ve HOCl solüsyonları biyolojik substratların organik bileşenlerini etkili bir şekilde uzaklaştırabildiği ve smear tabakası kaplı dentinin yüzeysel organik fazını çözebildiği gösterilmiştir. 14,16 Önceki çalışmalarda HOCl'nin NaOCl'den daha etkili bir oksitleyici deproteinizatör olduğu ve daha az kalıntı radikal bıraktığı gösterilmiştir. 14,[16][17][18] NaOCl'nin ayrıca aşırı alkaliliğinden kaynaklanan tahriş edici ve sitotoksik özelliklere sahip olduğu göz önüne alındığında, pH'ı neredeyse nötr olan HOCl çözeltisinin intraoral uygulanmasının da daha güvenli olacağı bildirilmektedir.…”
unclassified
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