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Surface Hardness and Fourier Transform Infrared Spectroscopical Characterization of Bioactive Modified Chairside Hard Denture Reliner | ||
| Al-Rafidain Dental Journal | ||
| Article 23, Volume 24, Issue 1, March 2024, Pages 231-247 PDF (870.98 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rdenj.2024.147310.1249 | ||
| Authors | ||
| Rana Rabee Aziz* ; Mohammed Moaed Sadoon | ||
| Department of Prosthodontics, College of Dentistry, Mosul University / Iraq | ||
| Abstract | ||
| Aims: The study seeks to investigate the hardness and chemical structure of the MWCNTs-Nanonystatin-modified hard chairside denture reliner after nanosizing nystatin macromolecules to be conjugated with MWCNTs for loading into chairside hard denture reliners. Materials and Methods: The examined material was chairside hard denture reliner (CHDR) (Rebase II). Tokuyama®. Japan. The nano additives applied were Nystatin (Nys). SDI (Samirraa’ Drugs, Iraq) and Multiwalled carbon nanotubes (MWCNT, 95%, VCN materials). Chairside relining material was manufactured following the manufacturers' specifications. Surface hardness was tested using a shore D durometer tester, while FTIR Spectroscopy was conducted using an IRAFFINITY-1S-FTIR spectrophotometer (SHIMADZU, Japan). The chairside hard denture reliner specimens were divided into (a control group,5 specimens) and a modified chairside hard denture reliner (MWCNTs-Nys- CHDR at 0.025%, 0.05%, and 0.1% by weight, 5 specimens for each group). The CHDR specimens have dimensions of 10×10×3.3 ±0.2mm. Total number of samples in this study was 40 samples. Results: The bioactive modification of CHDR resulted in increased hardness without changing the chemical structure of the materials in comparison to the control group. Conclusions: The bioactive modification of CHDR led to improved hardness, without any chemical modifications. | ||
| Keywords | ||
| multiwalled carbon nanotubes; nanosized nystatin; denture liners; hardness; FTIR Spectroscopy | ||
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