Factors affecting enamel and ceramic wear: A literature review

Oh, Won Suck; DeLong, Ralph; Anusavice, Kenneth J.

doi:10.1067/mpr.2002.123851

Cited by 278 publications

(261 citation statements)

References 82 publications

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“…Enamel wear is a progressive phenomenon associated with several factors, including the physical, microstructural and surface characteristics of ceramic restorations [18]. For allceramic restorations, excessive wear of opposing enamel is another concern for the dental practitioner, in addition to its low fracture resistance.…”

Section: Discussionmentioning

confidence: 99%

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Clinical performance and wear characteristics of veneered lithia-disilicate-based ceramic crowns

et al. 2008

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Objectives-The objectives of this study were to characterize the clinical performance and wear characteristics of lithia-disilicate-based ceramic crowns.Methods-Thirty posterior crowns were made using the heat-pressing technique and lithiadisilicate-based core ceramic. Subjects were recalled annually. The quality of crowns and adjacent gingival tissues were examined using nine criteria for acceptability. All crowns were examined and ranked from 4 (Excellent) to 1 (Unacceptable) for each criterion. Impressions were made for replica models at each appointment. Wear characteristics of dental ceramic and enamel were obtained by comparing the surface of the original model with the follow-up model using a laser scanner.Results-Twenty nine subjects returned for the one-year recall examination. The maximum clenching force for the 30 subjects ranged from 125 to 815 N. All clinical criteria were ranked good to excellent at the one-year recall exam and no fractures were observed. The mean occlusal wear volumes for the ceramic crowns after one year were 0.19 (0.065) mm 3 for premolar sites and 0.34 (0.08) mm 3 for molar sites. The mean occlusal wear volumes of opposing enamel after one year were 0.21 (0.06) mm 3 for premolar teeth and 0.50 (0.22) mm 3 for molar teeth. The mean occlusal wear volume of ceramic molar crowns was significantly lower than the volume of enamel wear of the opposing teeth (p≤0.05).Conclusions-The quality of the overall prostheses and the gingival tissues were acceptable after one year. The mean occlusal wear volume of ceramic molar crowns was significantly lower than the enamel wear volume of the opposing teeth.

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Section: Discussionmentioning

confidence: 99%

“…It is uncertain whether data obtained from the in vitro studies are clinically relevant [16,17]. Wear is a progressive phenomenon associated with several factors [18]. Wear of enamel caused by ceramic prosthesis is a major concern because it is associated with the clinical success of the restoration.…”

Section: Introductionmentioning

confidence: 99%

Clinical performance and wear characteristics of veneered lithia-disilicate-based ceramic crowns

et al. 2008

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“…These factors reduce the performance of the ceramic restorative materials in oral environment [11][12][13][14]. Moreover, the dental ceramic surfaces should be treated to desired shape after forming to improve aesthetical quality and occlusion using fraising with a diamond tip.…”

Section: Introductionmentioning

confidence: 99%

Effect of various treatment and glazing (coating) techniques on the roughness and wettability of ceramic dental restorative surfaces

Aksoy¹,

Polat

et al. 2006

Colloids and Surfaces B: Biointerfaces

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Surface treatment procedures such as grinding and polishing are needed to provide the ceramic dental restorative materials with proper fitting and occlusion. The treated surfaces are customarily glazed to improve the strength and smoothness. Though smoothness and wetting of the dental surfaces are important to minimize bacterial plaque retention, influence of the surface treatment and glazing procedures on the final surface roughness and its correlation to wettability are overlooked.In this work, effect of various treatment (diamond fraising, stoning, sanding and aluminum oxide and rubber polishing) and glazing (auto and overglazing) techniques on the final roughness and the resulting wettability of dental ceramic surfaces were investigated using scanning electron microscopy (SEM) observations and atomic force microscopy (AFM) scans, 75 scans per sample. The surfaces were characterized and assigned an average roughness measure, R a . The wettability of the same surfaces was evaluated using micro-contact angle measurements (25 micro-bubbles placed on a grid on each surface) to correlate the final surface roughness and wettability.The results show that overglazing prevails over surface irregularities from different treatment procedures and provides homegeneously smooth surfaces with mean R a < 10 nm. It also produces uniformly wetted surfaces with low contact angles around 20 • . The autoglazed surfaces are less smooth (mean R a around 50 nm) and displays sporadic topographic irregularities. They display larger and less uniform contact angles ranging between 35 • and 50 • . The results suggest that overglazing should be preferred after surface treatment to obtain a smooth and well-wetted dental ceramic surface.

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“…15 Otoglaze işlemle-riyle varolan bu mikroçatlakların derinlik ve genişlikleri azaltılarak, termal genleşmesi daha küçük bir kompres tabakası oluşturulur. Böylece camın kırılgan yapısı güçlendirilmiş olur.…”

Section: Tartiġmaunclassified

Feldspati̇k Ve Li̇tyum Di̇si̇li̇kat Cam Porselenleri̇n Yüzey Pürüzlülüğü Üzeri̇nde Farkli Yüzey İşlemleri̇ni̇n Etki̇si̇ni̇n İncelenmesi̇

ERTÜRK¹,

DALKIZ²

2016

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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Factors affecting enamel and ceramic wear: A literature review

Cited by 278 publications

References 82 publications

Clinical performance and wear characteristics of veneered lithia-disilicate-based ceramic crowns

Clinical performance and wear characteristics of veneered lithia-disilicate-based ceramic crowns

Effect of various treatment and glazing (coating) techniques on the roughness and wettability of ceramic dental restorative surfaces

Feldspati̇k Ve Li̇tyum Di̇si̇li̇kat Cam Porselenleri̇n Yüzey Pürüzlülüğü Üzeri̇nde Farkli Yüzey İşlemleri̇ni̇n Etki̇si̇ni̇n İncelenmesi̇

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