| QOL | quality of life |
| AR | acrylic resin |
| CR | composite resin |
| PO | porcelain |
| OHIP-J | Japanese version of the Oral Health Impact Profile |
| OHIP-EDENT-J | OHIP for edentulous patients |
| VAS | visual analog scale |
| 3M | 3 months after wearing dentures |
| 6M | 6 months after wearing dentures |
| 12M | 12 months after wearing dentures |
| Coronavirus disease 2019 | COVID-19 |
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