2018
DOI: 10.1111/jopr.12782
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Wear Characteristics and Volume Loss of CAD/CAM Ceramic Materials

Abstract: This study demonstrated the resistance to wear and low abrasiveness of ZR when compared to LD in a simulated masticatory environment. This can be best explained by the increased strength of ZR, and the introduction of three-body wear to LD specimens from the accumulation of embedded wear debris onto its surface. Wear data and comparison of SEM images following wear simulation confirmed this interpretation.

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Cited by 20 publications
(20 citation statements)
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References 16 publications
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“…As to wear and abrasiveness, LS 2 shows quite favourable properties, that are highly depending on the surface characteristics of the restoration. When accurately polished at its surface, the material exhibits convenient tribological behaviour in vitro, in terms of friction and wear of restorations, being its abrasiveness quite close to enamel, although more aggressive when compared to type III gold [25] or to polished monolithic zirconia in in vitro simulations [26][27][28]. Such favourable wear behaviour and durability have been also confirmed by some in vivo evidence [15].…”
Section: Abrasiveness and Wearmentioning
confidence: 71%
“…As to wear and abrasiveness, LS 2 shows quite favourable properties, that are highly depending on the surface characteristics of the restoration. When accurately polished at its surface, the material exhibits convenient tribological behaviour in vitro, in terms of friction and wear of restorations, being its abrasiveness quite close to enamel, although more aggressive when compared to type III gold [25] or to polished monolithic zirconia in in vitro simulations [26][27][28]. Such favourable wear behaviour and durability have been also confirmed by some in vivo evidence [15].…”
Section: Abrasiveness and Wearmentioning
confidence: 71%
“…Based on the 3D measurements of the entire occlusal surface of the restorations using industrial scanning technology in the rst experimental set-up, the average minimum distance after 3 years was -210 µm and after 120 months was -640 µm. The tabular compilation of the calculated P-values in relation to minimum distance were compared in relation to the period of the follow-up examinations (36,60, and 120 months), and each of the P-values was signi cant.…”
Section: Resultsmentioning
confidence: 99%
“…For example, Zurek et al recording the volume loss of zirconium and lithium disilicate ceramics after a chewing simulation using white-light interferometry as a noncontact, optical method of measurement and a scanning electron microscope. A signi cantly higher loss of material was recorded for the lithium disilicate samples, with a low abrasiveness of zirconium oxide [36]. D'Arcangelo et al also carried out an in vitro investigation of the wear resistance of various ceramics under masticatory simulation against a test body made of zirconium oxide.…”
Section: Discussionmentioning
confidence: 99%
“…Ultimately, the non-uniform structures and physical aspects between natural teeth and restorative materials result in different degrees of wear [3]. A number of studies have evaluated the long-term clinical behavior of ceramics [29][30][31], but studies on the loss of the vertical dimension are limited [32].…”
Section: Discussionmentioning
confidence: 99%
“…For example, Zurek et al recording the volume loss of zirconium and lithium disilicate ceramics after a chewing simulation using white-light interferometry as a noncontact, optical method of measurement and a scanning electron microscope. A signi cantly higher loss of material was recorded for the lithium disilicate samples, with a low abrasiveness of zirconium oxide [32]. D'Arcangelo et al also carried out an in vitro investigation of the wear resistance of various ceramics under masticatory simulation against a test body made of zirconium oxide.…”
Section: Discussionmentioning
confidence: 99%