ArticleBrazilian dental journal2026
Synergistic Effects of Nanochitosan and Demineralized Dentin Matrix on Alveolar Bone Substitution.
Article in Brazilian dental journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The purpose of this study was to evaluate the effectiveness of a combination of nanochitosan, Black Soldier Fly (BSF) (Hermetia illucens) pupae, and Demineralized Dentin Matrix (DDM) from human teeth in forming Receptor Activator of Nuclear Factor Kappa-B Ligand (RANKL), Osteoprotegerin (OPG), osteoblasts, and osteoclasts after tooth extraction in guinea pigs. A sample of 18 guinea pigs (Cavia cobaya) was randomly assigned to two groups: the treatment group (T) (n=9) and the control group (C) (n=9). The left mandibular incisor of the guinea pigs was extracted, after which the socket in the control (C) group was applied with polyethylene glycol gel as a homogeneity treatment, followed by suturing with non-absorbable silk, In the treatment (T) group, a gel composed of nanochitosan BSF pupae and DDM (NBSF+DDM) was applied to the socket, followed by suturing with non-absorbable silk. The samples were euthanized, and the mandibles were dissected on days 7, 14, and 21 to observe the number of osteoblasts and osteoclasts, and then the expression of OPG and RANKL, which are key biomarkers of bone regeneration. The results of this study showed an increase in the number of osteoblasts and the expression of OPG, a decrease in the number of osteoclasts and the expression of RANKL. The combination of nanochitosan BSF pupae and DDM from human teeth affects increasing the expression of OPG and osteoblasts, while decreasing RANKL and osteoclasts on the 7th, 14th, and 21st days, and may help improve bone remodeling.
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