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PubMed · 9063110

A 4th generation universal bonding system.

B I Suh
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Abstract

This paper reviews the fourth generation universal bonding system and highlights its supremacy over the earlier bonding systems. This new system has the ability to bond to all dentally related surfaces and its hydrophillic nature allows the advantage of bonding in a naturally moist environment. The effect of acid on dentine and the role of hydrophillic primers in the formation of a collagen-resin complex are described in relation to obtaining good bonding and adhesion. A new fourth generation universal bonding system. ALL-BOND 2, is discussed in the light of these developments and its features compared to those of the ideal bonding system.

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Dental BondingDentinDentin SensitivityDentin-Bonding AgentsMethacrylatesMethylmethacrylatesMicroscopy, Electron, ScanningSmear LayerStress, MechanicalSurface PropertiesJournal Article

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B I Suh. 1994. A 4th generation universal bonding system.. https://pubmed.ncbi.nlm.nih.gov/9063110/

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PubMed1999

Effect of intrinsic wetness and regional difference on dentin bond strength.

OBJECTIVES: The aim of this investigation was to determine the influence of intrinsic wetness on regional bond strengths of adhesive resins to dentin. METHODS: Human caries-free third molars were randomly divided into three groups for bonding: Group 1--no pulpal pressure; Group 2--pulpal pressure of 15 cm H2O; and Group 3--dentin dried overnight in a desiccator. Clearfil Liner Bond II (Kuraray) or One Step (Bisco) adhesive resins systems were applied to the flat dentin surfaces and the teeth were restored with APX resin composite (Kuraray). After 24 h in water at 37 degrees C, the specimens were sectioned into 0.7 mm thick slabs and divided into three regional subgroups according to the remaining dentin thickness and visual criteria: pulp horn, center, and periphery. The slabs were then trimmed for the micro-tensile bond test and subjected to a tensile force and crosshead of 1 mm/min. The data were analyzed with ANOVA and Fisher's PLSD test at a confidence level of 95%. The fracture modes were determined under a scanning electron microscope (JXA-840, JEOL, Japan). RESULTS: No significant regional difference was observed for the Group 1 and 2 specimens restored with Clearfil Liner Bond II (p > 0.05). However, bond strengths significantly decreased at the pulp horn region of the Group 1 and 2 specimens restored with One Step (p > 0.01). All bond strengths of Group 3 decreased significantly and regional differences were not evident (p > 0.05). SIGNIFICANCE: The dentin adhesive system should be chosen according to the substrate and region to be bonded, since bond strengths can vary according to the intrinsic wetness, region, and the adhesive system.

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