11 April 2025 : Laboratory Research
In Vitro Assessment of Linear Dimensional Accuracy of Polyvinyl Siloxane-Based Computer-Aided Design and Transparent Interocclusal Record Materials at 3 Different Storage Times
Mohammad Alamri ABEFG 1, Mohammed E. Sayed
ABEFG 2, Bandar M.A. Al-Makramani ABEFG 2*, Praveen Gangadharappa ABEFG 2, Mohammed M. Al Moaleem BCDEF 2, Saad S. AlResayes CDEFG 3, Nisreen Nabiel Hassan CDEFG 4, Mai Almarzouki CDEFG 5, Manal A. Daish CDEFG 6, Futoon Abdulkareem Yankisar CDEFG 7, Sarah Q. Hasousah CDEFG 8, Areej T. Alqahtani CDEFG 8, Mohammed A. Alfaifi CDEFG 9, Mohammed Ayoub CDEFG 6, Khurshid Mattoo ACDEF 2
DOI: 10.12659/MSM.947361
Med Sci Monit 2025; 31:e947361
Table 1 Materials, brands, manufacturers, and specifications used for the study.
| Material | Manufacturer | Types |
|---|---|---|
| Occlufast Rock | Zhermak, Badia Polesine, Italy | Lot No.: 419353 (Conventional IOR)WT=30s, ST=60s, H=95, DR=20 μm, DS=7D |
| Occlufast CAD | Zhermak, Badia Polesine, Italy | Lot No.: 404891; CAD IOR (scannable)WT=30 s, ST=60 s, H=95, DR=20 μm, DS=7D |
| Virtual CADBite | Virtual CADBite, ivoclar vivadent, Amherst, NY, USA | Lot No.: ZL09W7; CAD IOR (no contrast medium required while scanning)Vinylpolysiloxane (20–30%), Methylhydrogensiloxane (5–10%), Organoplatinic complex (0.01–0.05%), Silicon dioxide (40–50%), Pigment (10–20%), Food dyes/aroma (0.1–0.5%)WT=30 s, ST=45 s, H=85, DS=1.5% linear change, DR=2 μm |
| Flexitime Bite | Kulzer, South Bend, IN, USA | Lot No.: K010133 (CAD IOR)WT=30 s, ST=60 s, H=90, DS=1.5% linear change, DR=2 μm |
| Maxill Bite | Maxill, Cortland, OH, USA | Lot No.: 85500522 (Clear IOR)WT=30 s, ST=75 s |
| CharmFlex Bite | Nongshim-ro, Gunpo-si, Gyeonggi-do, Korea | Lot No.: 58123003 (Clear IOR)WT=30 s, ST=60 s, ER=99.9%, H=90Dispenser D2 (50-mL cartridge) |
| Defend ClearBite | Defend, Wendt Street Algonquin, IL, USA | Lot No.: 85500123 [Clear IOR (regular set)]Polydimethylsiloxane vinyl terminated (20–40%), Dimethylsiloxane copolymer (1–10%), Quartz silica (30–50%), Polysiloxane (<5%)WT=60 s, ST=60 s, H=60–65,Mousse-like and Thixotropic, polyvinyl siloxaneVisibility for voids or bubbles |
| MD 520 | Durr Dental, Kornwestheim, Germany | Lot No.: 2214103Combination of aldehydes, quaternary ammonium cations, special surfactants, and excipients in aqueous solution. 100 g MD 520 contain 0.5 g glutaraldehyde, 0.25 g alkyl benzyl dimethyl ammonium chlorideDisinfection time=10 M; pH: 4.3±0.5 |
| IOR – interocclusal registration material; WT – working time; ST – setting time; ER – elastic recovery; H(shoreA) – hardness, DR – detail reproduction; DS – dimensional stability; D – days; M – minutes; CAD – computer aided diagnosis (scannable IOR); Clear IOR – transparent material that shows voids and defects, | ||