Evidence map›Paper›PMID 42495279›Full record

ReviewACS omega2026

Does Methacrylation Affect the Cytocompatibility of Chitosan Scaffolds for Oral and Bone Tissue Regeneration? A Systematic Review.

Alana Pinto Caroso Souza, Anderson Gomes Forte, Fernanda Rafaela Ribeiro, Juan Vitor Costa Leite, Mario Alexandre Coelho Sinhoreti, Américo Bortolazzo Correr

Abstract readReview
In one paragraph

Review in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Alana Pinto Caroso SouzaDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.ORCID https://orcid.org/0000-0002-2743-3012
Anderson Gomes ForteDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.
Fernanda Rafaela RibeiroDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.
Juan Vitor Costa LeiteDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.
Mario Alexandre Coelho SinhoretiDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.
Américo Bortolazzo CorrerDental Materials Division, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas (FOP/UNICAMP), Av. Limeira, 901, 13414-903 Piracicaba, São Paulo, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveto evaluate the cytocompatibility of methacrylated chitosan (CSMA)-based biomaterials used for oral and bone tissue regeneration and whether the available evidence allows the biological effect of methacrylation to be isolated.

methodsThis systematic review followed PRISMA guidelines and was registered on OSF. Searches were performed in PubMed, Embase, Scopus, and Web of Science up to August 2025. In vitro, ex vivo, and in vivo studies evaluating CSMA-based scaffolds, hydrogels, membranes, or bioinks and reporting quantitative cytocompatibility data were included. Due to methodological heterogeneity, a structured qualitative synthesis was performed.

resultsFourteen studies published between 2015 and 2025 were included. Most evaluated photo-cross-linkable hydrogels or scaffolds for bone, oral, or related tissue engineering applications. The reported degree of methacrylation ranged from 13.96% to 70%, although five studies did not report this parameter. Cell viability was generally maintained above 85-100% after 24 h, with some studies showing increased metabolic activity or proliferation over longer periods, reaching approximately 200% after 7-21 days. Favorable outcomes were often observed in hybrid systems containing GelMA, collagen, graphene, nanoparticles, peptides, or exosomes; however, formulation, cell type, assay method, and photopolymerization differences limited direct attribution of these effects to methacrylation alone.

conclusionCSMA-based biomaterials generally showed favorable cytocompatibility. However, because many studies used hybrid formulations and lacked formulation-matched nonmethacrylated chitosan controls, the isolated biological effect of methacrylation could not be fully determined.

Identifiers

PMID42495279
PMCPMC13392902

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.