Short‐Term Prospective Clinical Evaluation of Monolithic and Partially Veneered Zirconia Single Crowns

Bömicke, Wolfgang; Rammelsberg, Peter; Stober, Thomas; Schmitter, Marc

doi:10.1111/jerd.12270

Cited by 77 publications

(70 citation statements)

References 23 publications

(58 reference statements)

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“…Bomicke et al evaluated clinical performance and esthetics of monolithic and partially veneered zirconia single crowns for a 3‐year period and found that complications were predominantly biological in nature. The 3‐year failure‐free survival rate was 98.5% for both MZ and veneered zirconia . These results are consistent with the results of the present study where the survival rate was 100%, and the results could be classified as “Excellent” over a 1‐year follow up.…”

Section: Discussionsupporting

confidence: 91%

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Assessment of Antagonist Enamel Wear and Clinical Performance of Full‐Contour Monolithic Zirconia Crowns: One‐Year Results of a Prospective Study

Pathan¹,

Kheur²,

Patankar³

et al. 2018

Journal of Prosthodontics

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Purpose To assess the clinical performance and survival of full‐contour monolithic zirconia (MZ) crowns and enamel wear produced over a 1‐year period. Materials and Methods 60 patients requiring full‐coverage restorations for endodontically treated posterior teeth opposed by healthy unrestored antagonistic teeth were selected. MZ crowns were fabricated. Vinyl polysiloxane impressions of the antagonist teeth were made, and the stone casts were digitized using a 3D laser scanner. Wear of the opposing natural teeth was evaluated at baseline (1 week), 6 months, and 1 year after crown cementation. Superimposition of the follow‐up scans on the baseline scans were performed to evaluate wear. Survival and function of the restorations were evaluated by the modified USPHS rating criteria at the same timeframes. Results Comparison of the baseline and the follow‐up wear values was statistically tested using the paired t‐test. Statistical significance was noted between the wear values at 6 months (15.5 μm) and at 12 months (16.3 μm) (p < 0.05). The Wilcoxon signed rank sum test was performed to evaluate each parameter of the modified USPHS criteria and to analyze the change in the follow‐up scores of the restorations. The survival rate for the crowns was 100%. Results were classified as “excellent” over a 1‐year follow up. Conclusions MZ crowns showed promising results related to antagonist enamel wear and survival/clinical performance.

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Section: Discussionsupporting

confidence: 91%

“…Although MZ is a popular restorative material, there are only a few clinical studies on survival of MZ crowns and wear of the antagonistic natural teeth . Since laboratory studies do not accurately simulate clinical performance, the final test of a material will always be its performance in the mouth.…”

mentioning

confidence: 99%

Assessment of Antagonist Enamel Wear and Clinical Performance of Full‐Contour Monolithic Zirconia Crowns: One‐Year Results of a Prospective Study

Pathan¹,

Kheur²,

Patankar³

et al. 2018

Journal of Prosthodontics

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“…Thus, this type of treatment is considered as promising, but clinical studies with longer follow-up times are still desirable. 21 Another study collected data over five years from two United States laboratories. The laboratories provided insurance for restorations of monolithic zirconia that had problems, making new restorations without additional costs to the clinicians.…”

Section: Monolithic Zirconia Restorationsmentioning

confidence: 99%

Dental ceramics: a review of new materials and processing methods

et al. 2017

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The evolution of computerized systems for the production of dental restorations associated to the development of novel microstructures for ceramic materials has caused an important change in the clinical workflow for dentists and technicians, as well as in the treatment options offered to patients. New microstructures have also been developed by the industry in order to offer ceramic and composite materials with optimized properties, i.e., good mechanical properties, appropriate wear behavior and acceptable aesthetic characteristics. The objective of this literature review is to discuss the main advantages and disadvantages of the new ceramic systems and processing methods. The manuscript is divided in five parts: I) monolithic zirconia restorations; II) multilayered dental prostheses; III) new glass-ceramics; IV) polymer infiltrated ceramics; and V) novel processing technologies. Dental ceramics and processing technologies have evolved significantly in the past ten years, with most of the evolution being related to new microstructures and CAD-CAM methods. In addition, a trend towards the use of monolithic restorations has changed the way clinicians produce all-ceramic dental prostheses, since the more aesthetic multilayered restorations unfortunately are more prone to chipping or delamination. Composite materials processed via CAD-CAM have become an interesting option, as they have intermediate properties between ceramics and polymers and are more easily milled and polished.

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“…Zirconia ceramics have presented the best mechanical properties among the ceramics . Two main zirconia restoration categories include zirconia‐based and monolithic zirconia restorations . Monolithic zirconia restorations, which are prepared with only zirconia ceramics, have some advantages over zirconia‐based restorations, such as no need for layering and a simpler and shorter CAD/CAM process .…”

mentioning

confidence: 99%

Color Aspect of Monolithic Zirconia Restorations: A Review of the Literature

Tabatabaian

2018

Journal of Prosthodontics

126

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Monolithic zirconia restoration is an acceptable treatment option in restorative dentistry and a developing trend in esthetic dentistry. Digital dentistry has simplified fabrication of monolithic zirconia restorations. Zirconia ceramic has introduced an opportunity to achieve both esthetic and mechanical requirements for restorations. This is rarely found for a ceramic in dentistry. Monolithic zirconia restorations represent an acceptable durability, comparable to metal-ceramic restorations, while they are superior to metal-ceramic restorations esthetically; however, difficulties to gain an optimal shade reproduction and a color match with monolithic zirconia restorations still remain. The color of these restorations may be influenced by manufacturing processes, laboratory procedures, and clinical factors. Manufacturing processes determine basic optical properties of zirconia ceramics. Different laboratory procedures may create optical changes in zirconia ceramics. Also clinical factors such as dental background, cement, and zirconia restoration features may affect the resulting color. This literature review aimed to discuss potent factors in the color of monolithic zirconia restorations. An electronic search of the PubMed/Google Scholar database was performed to find related English-language articles published between January 1, 2000, and October 31, 2017. The key terms of background, cement, ceramic, color, esthetics, shade, spectrophotometry, thickness, translucency, and zirconia were used both individually and simultaneously. Also, a manual search was conducted, and five classic articles of color science were added. Thus 192 articles were included. In the last decade, shade reproduction of monolithic zirconia restorations has been highly regarded; however, further improvements are required in the manufacturing process to produce tooth-like zirconia ceramics. An esthetic guideline named background-cement-ceramic color harmony was suggested in this study; however, more clinical practice guidelines should be established for monolithic zirconia restorations on esthetics, and therefore, more studies are required.

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Short‐Term Prospective Clinical Evaluation of Monolithic and Partially Veneered Zirconia Single Crowns

Cited by 77 publications

References 23 publications

Assessment of Antagonist Enamel Wear and Clinical Performance of Full‐Contour Monolithic Zirconia Crowns: One‐Year Results of a Prospective Study

Assessment of Antagonist Enamel Wear and Clinical Performance of Full‐Contour Monolithic Zirconia Crowns: One‐Year Results of a Prospective Study

Dental ceramics: a review of new materials and processing methods

Color Aspect of Monolithic Zirconia Restorations: A Review of the Literature

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