Study on chitosan/carbon nanotubes modified materials used to enhance the performance of dental binder

Tian Tingyu; Cai Yuping; Yang Shimao; Guo Yanwei; Zhou Wei

doi:10.1007/s42823-023-00564-6

Study on chitosan/carbon nanotubes modified materials used to enhance the performance of dental binder

Carbon Letters
Abbr : Carbon Lett.
2023, 33(6), pp.1661-1667
DOI : 10.1007/s42823-023-00564-6
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : March 3, 2023
Accepted : June 17, 2023
Published : October 1, 2023

Tian Tingyu ¹, Cai Yuping ², Yang Shimao ³, Guo Yanwei ⁴, Zhou Wei ⁵

¹Department of Preventive Dentistry, Central Laboratory of Jinan Stamotological Hospital, Jinan Key Laboratory of Oral Tissue Regeneration, Jinan, 250001, China
²Department of Prosthodontics, Central Laboratory of Jinan Stamotological Hospital, Jinan Key Laboratory of Oral Tissue Regeneration, Jinan, 250001, China
³Department of Oral and Maxillofacial Surgery, Central Laboratory of Jinan Stamotological Hospital, Jinan Key Laboratory of Oral Tissue Regeneration, Jinan, 250001, China
⁴Department of Oral and Maxillofacial Surgery, Jining Stomatology Hospital, Jining, 272000, China
⁵Department of Oral and Maxillofacial Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China

Accredited

ABSTRACT

In this study, we successfully grafted chitosan (CS) onto multi-walled carbon nanotubes (MWCNTs) to enhance their properties and potential applications in the biomedical field. FTIR spectroscopy confirmed the successful covalent bonding of CS onto MWCNTs, indicated by the new absorption peak of the amide bond (–CONH–). Thermal analysis showed that the modified MWCNTs (MWCNT-CS) had significant weight loss around 260 °C, suggesting the decomposition of hydroxypropyl chitosan, and confirming its presence in the nanocomposite. SEM images revealed that CS grafting improved the dispersibility of MWCNTs, a property crucial for their use as nanofillers in polymers. Moreover, the micro-tensile bond strength of dentin surface increased with increasing MWCNT-CS concentrations, indicating the potential of MWCNT-CS as a pretreatment for dentin bonding. After simulated aging, the bond strength remained significantly higher for MWCNT-CS groups compared to those without pretreatment. In biocompatibility assessment using the MTT assay, MWCNT-CS showed higher cell viability than MWCNT, suggesting improved biocompatibility after CS modification. The results of this study suggest that CS-modified MWCNTs could be promising materials for applications in dentin bonding, dentin mineralization, bone scaffolding, implants, and drug delivery systems.

KEYWORDS

Carbon nanotube Chitosan Dental binder Biocompatibility Tensile bonding strength

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Total Citation Counts(KCI+WOS) (3) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Study on chitosan/carbon nanotubes modified materials used to enhance the performance of dental binder

ABSTRACT

KEYWORDS

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

Total Citation Counts(KCI+WOS) (3) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Study on chitosan/carbon nanotubes modified materials used to enhance the performance of dental binder

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WoS Citation Counts (3) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

Total Citation Counts(KCI+WOS) (3) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

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