22 February 2025 : Laboratory Research
Linear Dimensional Accuracy in Maxillomandibular Records: A Comparative Study of Scannable and Transparent Materials
Mohammed E. SayedDOI: 10.12659/MSM.947265
Med Sci Monit 2025; 31:e947265
Table 1 List of materials, manufacturers. and specifications used in the study.
| Duo | Material | Manufacturer | Type |
|---|---|---|---|
| Control | Occlufast Rock | Zhermak, Badia Polesine, Italy | Lot no.: 419353 (Conventional BRM)WT=30 s, ST=60 s, H=95, DR=20 μm, DS=7D |
| Computer-assisted diagnosis (CAD) scannable BRM (code Cad) | Occlufast CAD | Zhermak, Badia Polesine, Italy | Lot no.: 404891; CAD BRM (scannable)WT=30 s, ST=60 s, H=95, DR=20 μm, DS=7D |
| Virtual CAD Bite | Virtual CAD Bite, Ivoclar Vivadent, Amherst, NY, USA | Lot no.: ZL09W7CAD BRM (no contrast medium while scanning)Silicon dioxide (40–50%), Vinylpolysiloxane (20–30%), Methylhydrogensiloxane (5–10%), Organoplatinic complex (0.01–0.05%), 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 BRM)WT=30 s, ST=60 s, H=90, DS=1.5% linear change, DR=2 μm | |
| Clear Bite transparent (Code Cl) | Maxill Bite | Maxill, Cortland, OH, USA | Lot no.: 85500522 (Clear BRM)WT=30 s, ST=75 s |
| Charmflex Bite | Nongshim-ro, Gunpo-si, Gyeonggi-do, Korea. | Lot no.: 58123003 (Clear BRM)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 BRM (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, VPSVisibility for voids or bubbles | |
| Disinfectant | MD 520 | Durr Dental, Kornwestheim, Germany, Lot no.: 2214103 | Combination 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 chloride.Disinfection time=10 M; pH: 4.3±0.5 |
| BRM – bite registration material; WT – working time; ST – setting time; ER – elastic recovery; H (shoreA) – hardness; DR – detail reproduction; DS – dimensional stability; D – days; VPS – vinyl polysiloxane; M – minutes; CAD – computer-aided diagnosis (scannable BRM); Clear BRM – transparent material that shows voids and defects. | |||






