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Restorative

68 - Evaluation of Stainless Steel and Zirconia Crowns in Primary Molars

Friday, May 22, 2026
12:00 PM - 12:15 PM PST
Has Audio

    Presenting Author(s)

  • CI

    Ceyda I. Isseven, DDS

    Postgraduate Student
    Marmara University Faculty of Dentistry Department of Pediatric Dentistry
    Marmara University
    Istanbul, Istanbul, Turkey

    • Co-Author(s)

  • BS

    Betul Sen Yavuz, DDS, PHD

    Marmara University Faculty of Dentistry
    Istanbul, Istanbul, Turkey

  • BK

    Betül Kargül, DDS, PhD (she/her/hers)

    Prof. Dr
    Marmara University
    Department of Pediatric Dentistry, School of Dentistry, Marmara University, Istanbul, Turkey
    Istanbul, Istanbul, Turkey

    • Research Mentor(s)

  • BS

    Betul Sen Yavuz, DDS, PHD

    Marmara University Faculty of Dentistry
    Istanbul, Istanbul, Turkey

    • Program Director(s)

  • BK

    Betül Kargül, DDS, PhD (she/her/hers)

    Prof. Dr
    Marmara University
    Department of Pediatric Dentistry, School of Dentistry, Marmara University, Istanbul, Turkey
    Istanbul, Istanbul, Turkey

Abstract:

Purpose: Stainless steel crowns (SSC) have been widely used for multi-surface carious lesions due to their durability and ease of application, while zirconia crowns (ZC) offer superior esthetics. This study aimed to evaluate the clinical outcomes of SSCs and ZCs in primary molars.


Methods: Sixteen primary molars with multi-surface carious lesions of 8 children (4girls-4boys) were included in this split-mouth study. The molars were randomly allocated into 2 groups: following caries removal, (1) ZCs (EZCrowns, Sprig Oral Health Technologies; USA) were placed, and (2) SSCs (KidsCrown, Shinhung; South Korea) were placed. Clinical success, Gingival Index (GI), Plaque Index (PI), and probing pocket depth (PPD) were assessed at baseline and 6-months.


Results: The mean age of the children was 7.6±1.0 years. In both groups, 100% clinical success was observed for all crowns during the follow-up sessions (P=.001). At baseline, comparable mean values were observed for the GI (0.8 ± 0.9) and the PI (1.8 ± 0.9) in both groups. At 6 months, there was a statistically significant difference of the GI and PI scores between ZCs (0, 0; respectively) and SSCs (1.1±1.0, 1.5±0.8; respectively) (P=.013, P <.001; respectively). With respect to PPD, no statistically significant difference was detected between the groups (ZC=2.1±0.4, SSC=2.6±0.7; P=.116).


Conclusions: Both crowns exhibited excellent short-term clinical success. ZCs demonstrated better PI and GI outcomes than SSCs in the restoration of primary molars with multi-surface carious lesions, with no failures observed. No difference was observed between the groups regarding PPD. Long-term follow-up is recommended to further assess outcomes.


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