Table 3.
Included papers with the type of denture base polymer, polymerization method and their corresponding outcomes.
| Reference | Testing Method | Denture Base Material | Polymerization Method | Outcome |
|---|---|---|---|---|
| [19] | SH, FS, IS | High impact PMMA | Compression moulding using a water bath, autoclave | ↑↑ SH, FS and IS in water bath processing and slow autoclave processing groups |
| [20] | FS, FM | Heat cure PMMA, CAD-CAM milled resin | Compression moulding using a water bath, injection moulding, CAD-CAM milling | ↑↑ FS, FM of the CAD-CAM milled groups |
| [21] | IS | Heat cure PMMA | Compression moulding using a water bath, microwave | ↑↑ in IS of microwave technique compared to water bath group |
| [22] | SH | Heat cure PMMA | Compression moulding using a water bath, autoclave for 10 min, autoclave for 20 min | ↑↑ SH in both 10 min and 20 min autoclave polymerization groups |
| [23] | FS, FM | Heat cure PMMA, 5%, 10%, 15% and 20% acrylamide monomer in heat cure PMMA | Autoclave, microwave | ↑↑ FS in 15% copolymer group |
| [24] | FS, SH | Heat cure PMMA, CAD-CAM block | Compression moulding using a water bath, heat polymerization at 100 °C under high pressure (200 MPa), CAD-CAM milling | ↑↑ FS while ↓↓ SH in CAD blocks. |
| [25] | FS, FM, FT | Heat cure PMMA with and without Hexanediol dimethacrylate HDDMA (10, 20, 30 wt%) and TU (10 wt%) | Microwave | 10 wt% HDDMA ↑↑ the mechanical properties (FS, FM & FT) of denture base resin |
| [26] | FS | Heat cure PMMA with or without TU in various wt% | Microwave | FS ↓ as glass filler uploading ↑ |
| [27] | FS, IS, SH | Heat cure PMMA, 3-D printed denture resin | Compression moulding using a water bath, 3-D printing | ↑↑ FS, IS & SH in Compression moulding groups |
| [28] | TS, EM, IS | Heat cure PMMA, heat cure PMMA coated with ceromers | Compression moulding using a water bath | Coating with ceromers ↑↑ the mechanical properties of PMMA denture base |
| [29] | FS, FM | Heat cure PMMA, heat cure PMMA copolymerized with EMA, BMA, and IBMA | Compression moulding using a water bath | FS & FM values of all copolymer groups were ↑ than those of the control group |
| [30] | FS | Heat cure PMMA | High-pressure dry curing, compression moulding using a water bath | ↑↑ FS in samples fabricated in a dry environment at high pressure |
| [31] | SH, IS | Heat cure PMMA, high impact PMMA | Compression moulding using air circulating oven, dry heat, water bath | ↑ SH & IS in rubber reinforced PMMA using air circulating oven and dry heat oven |
| [32] | FS | Heat cure PMMA | Compression moulding using air circulating oven, dry heat, water bath | ↑↑ FS in water bath group |
| [33] | IS, TS, EM | Heat cure PMMA, PMMA-pressed, PEEK | PEEK-pressed (100 °C, 150 °C, 175 °C & 200 °C) & PEEK-milled | ↑↑ TS & EM in PEEK-milled groups. While ↑ IS in PEEK-pressed at 100 °C |
| [34] | FT, FS, EM | Heat cure PMMA | High pressure polymerization at 500, 800 & 980 MPa | ↑↑ FT and ↓↓ FS & EM in high pressure polymerized groups compared to ambient temperature polymerized control group |
| [35] | FS, IS | Heat cure PMMA, heat cure PMMA with tricyclodecane dimethanol diacrylate comonomer at 10% and 20% (v/v) | Compression moulding using a water bath | ↑↑ FS & IS in experimental groups |
| [36] | FS | Heat cure PMMA | Compression moulding using a water bath, injection moulding thermo-pressed | ↑↑ FS in injection moulded a thermo-pressed group |
| [37] | FS | Heat cure PMMA with and without IBMA and HEMA monomers | Compression moulding using a water bath, injection moulding thermo-pressed | Low wt.% of IBMA or HEMA ↑↑ FS |
| [38] | SH | Heat cure PMMA | Compression moulding using a water bath, microwave (at 550 W, 630 W or 650 W) | in SH of the control and experimental groups |
| [39] | FS, FM | Heat cure PMMA | Compression moulding using a water bath, microwave (at 550 W, 630 W, 650 W or 700 W) | in FS & FM of the control and experimental groups |
| [40] | FS | Heat cure PMMA, heat cure PMMA with 0.4, 0.6, 0.8 and 1 wt% polyimide monomer | Compression moulding with heat polymerization at 100 °C for 1 h | ↑↑ FS and FM using low wt.% of polyimide monomer in PMMA |
Key: ↑↑ = significant increase, ↑= increase, = no significant change, ↓ = decrease, ↓↓ = significant decrease, FS = flexural strength, SH = surface hardness, IS = impact strength, FT = fracture toughness, FM = flexural modulus, TS = tensile strength, EM = elastic modulus, PMMA = polymethyl methacrylate, CAD-CAM = computer aided design-computer aided manufacturing, CAD = computer aided design, HDDMA = hexanediol dimethacrylate, TU = Thiourethane, EMA = ethyl methacrylate, BMA = butyl methacrylate, IBMA = isobutyl methacrylate, HEMA = hydroxyethyl-methacrylate.