Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials
1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMI.NTf<sub>2</sub>) is a hydrophobic ionic liquid with potential antibacterial properties for dental materials. This study aimed to (1) incorporate different mass fractions of BMI.NTf<sub>2</sub> into a dental ad...
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2025-03-01
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| author | Isadora Martini Garcia Andressa Simionato Virgínia Serra Souza Jackson Damiani Scholten Mary Anne Sampaio Melo Fabrício Mezzomo Collares |
| author_facet | Isadora Martini Garcia Andressa Simionato Virgínia Serra Souza Jackson Damiani Scholten Mary Anne Sampaio Melo Fabrício Mezzomo Collares |
| author_sort | Isadora Martini Garcia |
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| description | 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMI.NTf<sub>2</sub>) is a hydrophobic ionic liquid with potential antibacterial properties for dental materials. This study aimed to (1) incorporate different mass fractions of BMI.NTf<sub>2</sub> into a dental adhesive and (2) assess its impact on physical and chemical properties. Adhesive resins were prepared with 1 (G<sub>1%</sub>), 2.5 (G<sub>2.5%</sub>), and 5 wt.% (G<sub>5%</sub>) BMI.NTf<sub>2</sub>, with a control group (G<sub>CTRL</sub>) lacking the ionic liquid. Evaluations included polymerization kinetics, degree of conversion (DC), softening in solvent (ΔKHN%), and ultimate tensile strength (UTS). Groups with BMI.NTf<sub>2</sub> showed accelerated polymerization kinetics, with G<sub>5%</sub> achieving a higher DC and ΔKHN% compared to G<sub>CTRL</sub> (<i>p</i> < 0.05). Lower concentrations (1% and 2.5%) did not affect ΔKHN%, and no significant differences were found in UTS across groups (<i>p</i> > 0.05). Notably, 2.5 wt.% of BMI.NTf<sub>2</sub> increased the DC without affecting other properties, indicating optimal polymerization rates and handling characteristics. These results support the development of BMI.NTf<sub>2</sub>-based antibacterial adhesives that may assist in preventing secondary caries in restorative dentistry. |
| format | Article |
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| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
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| series | Applied Sciences |
| spelling | doaj-art-0c4d9eec67a0424ea022ea0ee607adfb2025-08-20T02:09:18ZengMDPI AGApplied Sciences2076-34172025-03-01157381010.3390/app15073810Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial MaterialsIsadora Martini Garcia0Andressa Simionato1Virgínia Serra Souza2Jackson Damiani Scholten3Mary Anne Sampaio Melo4Fabrício Mezzomo Collares5Division of Cariology and Operative Dentistry, Department of Comprehensive Dentistry, University of Maryland School of Dentistry, 650 W Baltimore Street, Baltimore, MD 21201, USADepartment of Dental Materials, School of Dentistry, Federal University of Rio Grande do Sul, Ramiro Barcelos Street, 2492, Rio Branco, Porto Alegre 90035-004, RS, BrazilLaboratory of Molecular Catalysis, Institute of Chemistry, Federal University of Rio Grande do Sul, Bento Gonçalves Avenue, 9500, Agronomia, Porto Alegre 91501-970, RS, BrazilLaboratory of Molecular Catalysis, Institute of Chemistry, Federal University of Rio Grande do Sul, Bento Gonçalves Avenue, 9500, Agronomia, Porto Alegre 91501-970, RS, BrazilDivision of Cariology and Operative Dentistry, Department of Comprehensive Dentistry, University of Maryland School of Dentistry, 650 W Baltimore Street, Baltimore, MD 21201, USADepartment of Dental Materials, School of Dentistry, Federal University of Rio Grande do Sul, Ramiro Barcelos Street, 2492, Rio Branco, Porto Alegre 90035-004, RS, Brazil1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMI.NTf<sub>2</sub>) is a hydrophobic ionic liquid with potential antibacterial properties for dental materials. This study aimed to (1) incorporate different mass fractions of BMI.NTf<sub>2</sub> into a dental adhesive and (2) assess its impact on physical and chemical properties. Adhesive resins were prepared with 1 (G<sub>1%</sub>), 2.5 (G<sub>2.5%</sub>), and 5 wt.% (G<sub>5%</sub>) BMI.NTf<sub>2</sub>, with a control group (G<sub>CTRL</sub>) lacking the ionic liquid. Evaluations included polymerization kinetics, degree of conversion (DC), softening in solvent (ΔKHN%), and ultimate tensile strength (UTS). Groups with BMI.NTf<sub>2</sub> showed accelerated polymerization kinetics, with G<sub>5%</sub> achieving a higher DC and ΔKHN% compared to G<sub>CTRL</sub> (<i>p</i> < 0.05). Lower concentrations (1% and 2.5%) did not affect ΔKHN%, and no significant differences were found in UTS across groups (<i>p</i> > 0.05). Notably, 2.5 wt.% of BMI.NTf<sub>2</sub> increased the DC without affecting other properties, indicating optimal polymerization rates and handling characteristics. These results support the development of BMI.NTf<sub>2</sub>-based antibacterial adhesives that may assist in preventing secondary caries in restorative dentistry.https://www.mdpi.com/2076-3417/15/7/3810dental cariesdental materialsdentin-bonding agentsionic liquidspolymersin vitro techniques |
| spellingShingle | Isadora Martini Garcia Andressa Simionato Virgínia Serra Souza Jackson Damiani Scholten Mary Anne Sampaio Melo Fabrício Mezzomo Collares Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials Applied Sciences dental caries dental materials dentin-bonding agents ionic liquids polymers in vitro techniques |
| title | Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials |
| title_full | Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials |
| title_fullStr | Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials |
| title_full_unstemmed | Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials |
| title_short | Tuning BMI.NTf<sub>2</sub> Ionic Liquid Concentration in Dental Adhesives Towards a Rational Design of Antibacterial Materials |
| title_sort | tuning bmi ntf sub 2 sub ionic liquid concentration in dental adhesives towards a rational design of antibacterial materials |
| topic | dental caries dental materials dentin-bonding agents ionic liquids polymers in vitro techniques |
| url | https://www.mdpi.com/2076-3417/15/7/3810 |
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