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Research Article

Determination of residual monomer content in dental acrylic polymers and effect after tissues implantation

, , , , , , & show all
Pages 254-263 | Received 03 Nov 2019, Accepted 26 Feb 2020, Published online: 15 Mar 2020

Figures & data

Table 1. Applied materials and polymerization methods.

Table 2. Experimental conditions used for MHE-GC-MS analysis.

Figure 1. Reduction of MMA (treatment 5.4 min) peak area during ten successive extractions.

Figure 1. Reduction of MMA (treatment 5.4 min) peak area during ten successive extractions.

Figure 2. Evaporation profiles of MMA standard and MMA released from samples of cold polymerized and hot polymerized PMMA.

Figure 2. Evaporation profiles of MMA standard and MMA released from samples of cold polymerized and hot polymerized PMMA.

Figure 3. Contribution of each MMA peak in total MMA peak area for ten successive extractions.

Figure 3. Contribution of each MMA peak in total MMA peak area for ten successive extractions.

Table 3. Content of MMA in the samples of cold and hot polymerized PMMA.

Figure 4. Overlapped peaks (treatment 5.4 min) of MMA and cold and hot polymerized PMMA after the first extraction.

Figure 4. Overlapped peaks (treatment 5.4 min) of MMA and cold and hot polymerized PMMA after the first extraction.

Table 4. Compounds identified in PMMA cold sample after 1st extraction by headspace GC-MS.

Figure 5. MMA mass spectrum.

Figure 5. MMA mass spectrum.

Figure 6. Intense inflammatory reaction and de novo formation of blood vessels one week after implantation of cold polymerized acrylate in m.biceps femoris of male Wistar rats. HE, ×100.

Figure 6. Intense inflammatory reaction and de novo formation of blood vessels one week after implantation of cold polymerized acrylate in m.biceps femoris of male Wistar rats. HE, ×100.

Figure 7. Slight fibrosis two months after implantation of cold polymerized acrylate in m.biceps femoris of male Wistar rats. HE, ×200.

Figure 7. Slight fibrosis two months after implantation of cold polymerized acrylate in m.biceps femoris of male Wistar rats. HE, ×200.

Figure 8. Proliferation of connective-tissue cells and intense fibrosis with a significantly lower intensity of inflammation one week after implantation in m.biceps femoris of male Wistar ratsof hot polymerized acrylic samples. HE, ×100.

Figure 8. Proliferation of connective-tissue cells and intense fibrosis with a significantly lower intensity of inflammation one week after implantation in m.biceps femoris of male Wistar ratsof hot polymerized acrylic samples. HE, ×100.
Supplemental material

Supplemental Material

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