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All Journal MDJ (Makassar Dental Journal)
Nurul Zulhijjah
Professional Students Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia
Dentistry

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Marine-derived chitosan composites in restorative dentistry: antibacterial and mechanical properties: Komposit kitosan yang berasal dari laut dalam kedokteran gigi restoratif: sifat antibakteri dan mekanisnya Alqarama Mahardhika Thalib; Asmawati Amin; Bahruddin Thalib; Nurul Zulhijjah; Lenni Indriani
Makassar Dental Journal Vol. 15 No. 2 (2026): Volume 15 Issue 2 August 2026
Publisher : Makassar Dental Journal PDGI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35856/mdj.v15i2.1159

Abstract

Conventional composite resins often show limited antibacterial activity and are susceptible to degradation, potentially leading to secondary caries. Chitosan, a natural polysaccharide, exhibits biocompatible, biodegradable, and antibacterial characteristics, offering potential improvement in composite resin perfor-mance. This review evaluates the effect of chitosan incorporation on the mechanical and antibacterial properties of composite restorations. A systematic re-view following PRISMA guidelines was conducted using PubMed, ScienceDirect, and Elsevier databases (2015-2025). Inclusion criteria covered in vitro and in vivo studies analyzing chitosan-modified composite resins. Five eligible studies were reviewed based on chitosan concentration, resin type, and outcomes. Chitosan (0.1-2%) enhanced hardness, fracture resistance, and surface stability while providing notable antibacterial activity against S.mutans. Antibacte-rial effects increased up to 2-5%, though higher concentrations (>5%) could reduce some mechanical strength. It is concluded that marine chitosan appears to be an effective additive for restorative composites, improving antibacterial properties and mechanical stability without compromising adhesion. Further cli-nical trials are needed to validate its long-term benefits and optimal concentration for dental applications.
Co-Authors Alqarama Mahardhika Thalib Asmawati Amin Bahruddin Thalib Lenni Indriani