Table 1 Denture base materials and hard relining resin materials used in the study
Brand | Type | Manufacturer | Chemical composition | Lot number |
|---|---|---|---|---|
KeyMill High Impact | Denture base for milling | Keystone, Myerstown, ABD | Ethylene glycol dimethacrylate | 07022ORG |
On Dent Cyclone Denture | Photopolymerizable denture base for 3D printing | On Dent, Izmir, Turkey | 2,2’-Ethylenedioxyethyl dimethacrylate, Silicon dioxide, Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, Aliphatic difunctional methacrylate, Cristobalite flour, 2-Propenoic acid, reaction products with pentaerythritol | 230,120 |
SR-IvoBase High Impact | Heat polymerized PMMA denture base for injection molding | Ivoclar Vivadent, Schaan, Liechtenstein | Powder: 88.6% co-polymer, 10% poly (methyl methacrylate), 0.9% benzoyl-peroxide, pigments < 0.5 Liquid: 88.4% methyl methacrylate, 5.6% dimethacrylate, 6% co-polymer | VT0765 |
Futura Basic Hot Powder/ Liquid | Heat polymerized PMMA denture base for both conventional heat-polymerization and relining resin material | Schütz Dental, GmbH, Rosbach, Germany | Powder: pearl polymer made of poly (methyl methacrylate), pigments, initiators Liquid: methyl methacrylate, diurethane dimethacrylate, initiators, stabilizers | 2,019,015,685 / 2,020,004,714 |
Qu resin / Qu connector | Autopolymerizing denture repair resin based on diacrylate | Bredent, Senden, Germany | ~ 61% Acrylates ~ 37% Fillers ~ 2% Initiators, stabilizers, pigment | 526,446 / 520,799 |
Quick Up / Quick up adhesive | Autopolymerizing composite resin | VOCO GmbH, Cuxhaven, Germany | 5-10% 1,6-hexanediylbismethacrylate 1-2.5% Catalyst ≤ 2.5% Bis-GMA ≤ 2.5% Benzoyl peroxide | 2,216,483 / 2,220,451 |
Ufi Gel Hard / Ufi Gel Hard Adhesive | Acrylic resin-based hard relining material | VOCO GmbH, Cuxhaven, Germany | Benzoyl peroxide (catalyst), hydroxyethylmethacrylate and acetone (adhesive) | 2,212,661 / 2,214,593 |
Pattern Resin LS Powder/ Liquid | Autopolymerizing low shrinkage modelling acrylic resin | GC America, Alsip, IL, USA | Powder: Poly(methylmethacrylate), Polyethylmethacrylate Dibenzoyl peroxide Liquid: Methylmethacrylate 2-Hydroxyethyl-Methacrylate | 2,012,171 / 2,105,051 |