Incorporation of hydrophobic nanochitosan improves wear resistance of dental sealants

This study evaluated the effect of addition of nanochitosan on the wear resistance of pit and fissure sealants. Hydrophobic N-(2-ethylhexanoyl)chitosan nanoparticles were synthesized, characterized, and added to commercial sealants. The sealants were subjected to customized abrasion test, followed b...

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Bibliographic Details
Published inInternational journal of polymeric materials Vol. 70; no. 5; pp. 309 - 317
Main Authors Kritika, Selvakumar, Jothimani, B., Vidhya, Sampath, Sanjeev, Kavitha, Mahalaxmi, Sekar, Venkatachalapathy, B., Sureshkumar, S.
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 24.03.2021
Taylor & Francis Ltd
Subjects
Chitosan
dental sealants
Hydrophobicity
Nanoparticles
Sealants
Sealing compounds
Wear resistance
Weight loss measurement
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Summary:This study evaluated the effect of addition of nanochitosan on the wear resistance of pit and fissure sealants. Hydrophobic N-(2-ethylhexanoyl)chitosan nanoparticles were synthesized, characterized, and added to commercial sealants. The sealants were subjected to customized abrasion test, followed by wear resistance analysis using weight loss measurement and 3-D profilometric methods. Analytical techniques confirmed the substitution. The particles ranged in size from 320 to 670 nm. Results showed a marginal improvement in the wear behavior of modified sealants compared to unmodified sealants. It can be concluded that this modification could prolong the life of these preventive restorations.
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ISSN:0091-4037
1563-535X
DOI:10.1080/00914037.2020.1713782