2021
DOI: 10.1016/j.dental.2020.12.012
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New method to differentiate surface damping behavior and stress absorption capacities of common CAD/CAM restorative materials

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Cited by 8 publications
(10 citation statements)
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“…Hence, the only way for ceramic CRMs to cope with potential excessive stresses is to elastically (VB: 97.5% = 975/1000 × 100; Figure 4 ) transfer this impact energy to the surrounding structures. These structures then have to be able to cope with this challenge or self-destruct, as previously demonstrated by VB [ 21 ] and clinically observed on zirconia implants [ 38 ] restored with single crowns made of feldspathic ceramics [ 39 ].…”
Section: Discussionmentioning
confidence: 99%
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“…Hence, the only way for ceramic CRMs to cope with potential excessive stresses is to elastically (VB: 97.5% = 975/1000 × 100; Figure 4 ) transfer this impact energy to the surrounding structures. These structures then have to be able to cope with this challenge or self-destruct, as previously demonstrated by VB [ 21 ] and clinically observed on zirconia implants [ 38 ] restored with single crowns made of feldspathic ceramics [ 39 ].…”
Section: Discussionmentioning
confidence: 99%
“…Consequently, the amount of energy that was logically lost (converted and dissipated) on the material surface and not possible to recover was simply deduced from HLD by means of subtracting HLD values from 1000. As previously explained [ 21 ], the respective results were defined as HLD dis in this publication to describe energy dissipation effects: …”
Section: Methodsmentioning
confidence: 99%
“…All indentations were conducted under ambient laboratory conditions (23 ± 1 °C; 50 ± 5% relative humidity) on dry specimen surfaces with the device-specific impact body and its indentation ball (tungsten carbide; 1500 HV) ( Figure 1 ). Before measurements were performed on specimen surfaces, the device accuracy was carefully controlled as recommended by the manufacturer [ 19 ] and as previously described [ 11 ]. The calculated mean exhibited a maximum deviation of 7 HLD units (0.93%) when compared to the certified value specified on the reference block.…”
Section: Methodsmentioning
confidence: 99%
“…HLD of the restorative materials was unequivocally determined by centrical positioning on the calibration test block, which was placed on a 10 mm thick granite plate. The indentation process was carried out as previously described [ 11 ]. Five indentations were performed on the same specimen surface, with the arrangement very closely resembling a five depicted on dice to ensure the required distances specified in the ISO standard [ 19 ].…”
Section: Methodsmentioning
confidence: 99%
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