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Meta-Analysis
. 2022 Feb 28;19(5):2838.
doi: 10.3390/ijerph19052838.

Zirconia Crowns for Primary Teeth: A Systematic Review and Meta-Analyses

Sara Douf Alzanbaqi  1 , Rakan Mishaal Alogaiel  2 , Mohammed Ali Alasmari  2 , Ahmed Mohammed Al Essa  2 , Layla Nizar Khogeer  3 , Basim Salem Alanazi  2 , Eyad Sami Hawsah  2 , Ahmed Mohammed Shaikh  2 , Maria Salem Ibrahim  4
Affiliations
Meta-Analysis

Zirconia Crowns for Primary Teeth: A Systematic Review and Meta-Analyses

Sara Douf Alzanbaqi et al. Int J Environ Res Public Health. .

Abstract

Objective: The aim of this systematic review was to summarize the literature regarding the clinical performance of zirconia crowns for primary teeth.

Materials and methods: Four electronic databases, Ovid, PubMed, Scopus, and Web of Science were searched. Clinical, observational, and laboratory studies were included. Studies that assessed the performance of zirconia crowns for primary teeth using outcomes such as gingival and periodontal health, parental satisfaction, color stability, crown retention, contour, fracture resistance, marginal integrity, surface roughness, and recurrent caries were included. Risk of bias was assessed using different assessment tools depending on the type of the assessed study.

Results: Out of the 2400 retrieved records, 73 full-text records were assessed for eligibility. Thirty-six studies were included for qualitative analysis. The included studies reported that zirconia crowns for primary teeth were associated with better gingival and periodontal health, good retention, high fracture resistance, color stability, high parental acceptance, good marginal adaptation, smooth cosmetic surface, and no recurrent caries.

Conclusion: Zirconia crowns are promising alternative to other restorative materials and crowns in the field of pediatric dentistry. They showed higher properties and performance in different clinical aspects and great parental satisfaction.

Keywords: caries; pediatric dentistry; zirconia crowns.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA 2020 flow diagram of the search results from the databases.
Figure 2
Figure 2
Individual study’s risk of bias appraisal for the included clinical studies.
Figure 3
Figure 3
Individual study’s risk of bias appraisal for the included observational studies.
Figure 4
Figure 4
Individual study’s risk of bias appraisal for the included laboratory studies.
Figure 5
Figure 5
Risk of bias appraisal for each parameter. (A) Clinical studies. (B) Observational studies. (C) Laboratory studies.
Figure 6
Figure 6
Forest plots of the retention of zirconia crowns at 6 (A) and 12 (B) months (NSZ, NuSmile zirconia crown; ZZC, Zirkiz zirconia crown; KKZ, Kinder Krown zirconia crown; SSC, stainless steel crown; RCSC, resin composite strip crown; PVSSC, pre-veneered stainless steel crown; GFRC; glass fiber-reinforced composite crown—Figaro Crowns).
Figure 7
Figure 7
Forest plots of recurrent caries of zirconia crowns at 6 (A) and 12 (B) months (NSZ, NuSmile zirconia crown; SSC, stainless steel crown; ZC, zirconia crown; RCSC, resin composite strip crown).
See this image and copyright information in PMC

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