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Peer-reviewedCC BY 4.0Polymers

Comparative Evaluation of the Mechanical Properties of an Alkasite-Based Material and a Conventional Resin Composite

  • Selma Jakupović1
  • Damir Duratbegović2
  • Nedim Pervan3
  • Enis Muratović3
  • Vedran Jakupović4
4 affiliations
  1. 1Department of Restorative Dentistry and Endodontics, Faculty of Dentistrywith Dental Clinical Center, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
  2. 2Department of Pediatric and Preventive Dentistry, Faculty of Dentistry with Dental Clinical Center, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
  3. 3Department of Mechanical Design, Faculty of Mechanical Engineering, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
  4. 4Department of Community Healthcare, Faculty of Health Studies, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
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Abstract

Alkasites are resin-based restorative materials that differ from conventional resin composites in the composition and reactivity of their filler system, which enables ion release. Whether optional light activation changes the mechanical properties of the alkasite Cention Forte, compared with self-curing and with a conventional composite, remains insufficiently documented. This in vitro study compared Cention Forte (urethane dimethacrylate-based matrix; reactive calcium fluorosilicate and barium glass fillers) in self-cured (G1) and light-cured (G2) modes with the nanohybrid composite Tetric EvoCeram (G0; dimethacrylate matrix; barium glass, ytterbium trifluoride, mixed oxide and prepolymerized fillers). Top- and bottom-surface Vickers microhardness (VMHt, VMHb), bottom-to-top ratio (BTR), diametral tensile strength (DTS) and compressive strength (CS) were measured (n = 7). G1 showed the highest VMHt (70.3 HV), followed by G0 (63.0 HV) and G2 (57.8 HV) (p< 0.001). Both Cention Forte groups had BTR values of approximately 1.00 (G0: 0.97) as an indirect, surface-based index. G2 exhibited the highest DTS (39.7 MPa) and G0 the highest CS (311.2 MPa). Curing mode accounted for most between-group variance in microhardness, whereas material composition dominated compressive strength.

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Cite

BibTeXRIS
BibTeX
@article{jakupovic2026comparative,
  title = {{Comparative Evaluation of the Mechanical Properties of an Alkasite-Based Material and a Conventional Resin Composite}},
  author = {Selma Jakupović and Damir Duratbegović and Nedim Pervan and Enis Muratović and Vedran Jakupović},
  journal = {Polymers},
  year = {2026},
  month = nov,
  doi = {10.3390/polym18212788},
  url = {https://www.mdpi.com/2073-4360/18/21/2788},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Comparative Evaluation of the Mechanical Properties of an Alkasite-Based Material and a Conventional Resin Composite
AU  - Selma Jakupović
AU  - Damir Duratbegović
AU  - Nedim Pervan
AU  - Enis Muratović
AU  - Vedran Jakupović
PY  - 2026
DA  - 2026/11/08
JO  - Polymers
DO  - 10.3390/polym18212788
UR  - https://www.mdpi.com/2073-4360/18/21/2788
AB  - Alkasites are resin-based restorative materials that differ from conventional resin composites in the composition and reactivity of their filler system, which enables ion release. Whether optional light activation changes the mechanical properties of the alkasite Cention Forte, compared with self-curing and with a conventional composite, remains insufficiently documented. This in vitro study compared Cention Forte (urethane dimethacrylate-based matrix; reactive calcium fluorosilicate and barium glass fillers) in self-cured (G1) and light-cured (G2) modes with the nanohybrid composite Tetric EvoCeram (G0; dimethacrylate matrix; barium glass, ytterbium trifluoride, mixed oxide and prepolymerized fillers). Top- and bottom-surface Vickers microhardness (VMHt, VMHb), bottom-to-top ratio (BTR), diametral tensile strength (DTS) and compressive strength (CS) were measured (n = 7). G1 showed the highest VMHt (70.3 HV), followed by G0 (63.0 HV) and G2 (57.8 HV) (p< 0.001). Both Cention Forte groups had BTR values of approximately 1.00 (G0: 0.97) as an indirect, surface-based index. G2 exhibited the highest DTS (39.7 MPa) and G0 the highest CS (311.2 MPa). Curing mode accounted for most between-group variance in microhardness, whereas material composition dominated compressive strength.
SN  - 2073-4360
ER  -