Document Detail


Hydrolytic stability of three-step etch-and-rinse adhesives in occlusal class-I cavities.
MedLine Citation:
PMID:  23197284     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: A dental adhesive without small and hydrophilic monomers such as 2-hydroxyethyl methacrylate (HEMA) and triethylene glycol dimethacrylate (TEGDMA) would be beneficial in order to avoid contact allergies. However, these monomers are important to increase infiltration and polymerization of the adhesive. Therefore, the purpose of this study was to evaluate the bonding effectiveness and bond durability of a more hydrophobic and biocompatible adhesive as compared to a conventional three-step etch-and-rinse adhesive. METHODS: Sixteen non-carious human third molars were used to determine the micro-tensile bond strength testing (μTBS) and interfacial ultrastructure by transmission electron microscopy (TEM) of the more hydrophobic cmf adhesive system (Saremco) adhesive as compared to the control OptiBond FL (Kerr). RESULTS: The more hydrophobic and biocompatible three-step etch-and-rinse adhesive was able to produce a reasonable short-time bonding effectiveness. In the long term, the collagen fibrils in the hybrid layer were not effectively protected and were prone to hydrolytic degradation. As a result, long-term bonding effectiveness of this novel adhesive was very low. CONCLUSIONS: Application of a more hydrophobic adhesive without altering the application procedure considerably results in a reduced durability of the created bond CLINICAL RELEVANCE: Omitting small and hydrophilic components from the adhesive formulation may impair the durability of your composite restoration.
Authors:
Jan De Munck; Atsushi Mine; Marcio Vivan Cardoso; Kirsten L Van Landuyt; Anne-Katrin Lührs; André Poitevin; Masao Hanabusa; Takuo Kuboki; Bart Van Meerbeek
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-1
Journal Detail:
Title:  Clinical oral investigations     Volume:  -     ISSN:  1436-3771     ISO Abbreviation:  Clin Oral Investig     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9707115     Medline TA:  Clin Oral Investig     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
KU Leuven Biomat, Department of Oral Health Sciences, KU Leuven (University of Leuven), Louvain, Belgium, jan.demunck@med.kuleuven.be.
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