Poly(methyl-methacrylate)-based full dentures for the upper jaw, which were produced using computer-assisted design/computer-assisted manufacturing, were analyzed toward water absorption using NIR spectroscopy. Spectra were recorded in the range between 10,000 and 4000 cm−1, however only the selected ranges from 5288–5100 and 5424–5352 cm−1 were used to successfully build a calibration model, as these regions showed the most variation. Furthermore, the calibration model was tested using validation samples. Those are unknown to the model and their respective value for absorbed water was predicted.
UellendahlJ. Prosthetic primer. Materials used in prosthetics part II. InMotion2015; 8: 2–3.
2.
DuretFBlouinJ-LDuretB. CAD-CAM in dentistry. J Am Dent Soc1988; 117: 715–720.
3.
PfeifferP. Residual methyl methacrylate monomer, water sorption, and water solubility of hypoallergenic denture base materials. J Prosthet Dent2004; 92: 72–78.
4.
DevlinHKaushikP. The effect of water absorption on acrylic surface properties. J Prosthodontics2005; 14: 233–238.
5.
ChanduGAsnaniPGuptaS. Comparative evaluation of effect of water absorption on the surface properties of heat cure acrylic: an in vitro study. J Int Oral Health2015; 7: 63–68.
6.
WiedemairV. Novel molecular spectroscopic multimethod approach for monitoring water absorption/desorption kinetics of CAD/CAM poly(methyl methacrylate) prosthodontics. Appl Spectrosc2016. DOI: 10.1177/0003702816682742.
7.
WilliamsPVariables affecting near-infrared reflectance spectroscopic analysis. In: WilliamsPNorrisK (eds). Near infrared technology in the agriculture and food industries1987; Vol. I, St. Paul: American Association of Cereal Chemists, pp. 143–167.
