Pediatric Dental Crowns: Indications, Benefits, and Long-Term Success

Pediatric dental crowns are widely used in the restoration of primary teeth with extensive decay, developmental defects, or after pulp therapy.

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This article reviews current evidence regarding their indications, benefits, and long-term success, focusing on stainless steel crowns (SSCs), zirconia crowns, and recent advances.

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✅ Introduction
Restoring severely decayed primary teeth poses a significant challenge in pediatric dentistry. Conventional fillings often fail due to limited durability and the complexity of managing caries in children. Pediatric dental crowns, particularly stainless steel and zirconia crowns, provide a reliable restorative option. Their role in maintaining arch integrity, mastication, and aesthetics has made them a cornerstone in modern pediatric restorative dentistry.

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✅ Indications

° Extensive caries affecting multiple tooth surfaces.
° After pulpotomy or pulpectomy procedures.
° Developmental anomalies such as amelogenesis imperfecta or dentinogenesis imperfecta.
° Fractured teeth requiring coverage.
° Cases where behavior management limits frequent re-interventions.

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✅ Types of Pediatric Crowns

° Stainless Steel Crowns (SSC): Gold standard for posterior teeth due to durability and cost-effectiveness.
° Zirconia Crowns: Increasingly used for anterior and posterior restorations, offering superior aesthetics.
° Resin-veneered Crowns: Intermediate option balancing aesthetics and functionality.

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✅ Benefits

° Provide full coverage protection against recurrent caries.
° High survival rates in comparison to amalgam or composite restorations.
° Improve chewing function and preserve arch length.
° Aesthetic options (zirconia) enhance parental and patient satisfaction.

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✅ Long-Term Success

° Survival rates: SSCs demonstrate over 90% success rates at 5 years (Innes et al., 2015).
° Zirconia crowns: Show comparable survival with better aesthetics but require precise tooth preparation.
° Parental satisfaction: Significantly higher for zirconia crowns due to aesthetics (Walia et al., 2014).

📊 Tabla comparativa: Pediatric Dental Crowns

Aspecto	Ventajas	Limitaciones
Stainless Steel Crowns (SSC)	High durability, cost-effective, >90% survival	Poor aesthetics, metallic appearance
Zirconia Crowns	Superior aesthetics, high parental satisfaction, biocompatible	Require extensive tooth preparation, higher cost
Resin-Veneered Crowns	Balance between cost and aesthetics	Prone to veneer fracture and wear
Long-Term Outcomes	High survival rates, preservation of arch integrity	Technique-sensitive, dependent on case selection

💬 Discussion
The literature strongly supports the use of pediatric crowns as a superior restorative option for severely compromised primary teeth. While stainless steel crowns remain the most cost-effective and durable, zirconia crowns address increasing parental demands for aesthetics. However, zirconia requires more aggressive tooth reduction, which may limit its indications in certain cases.
The long-term success of pediatric crowns is linked to proper case selection, clinical technique, and patient cooperation. Advances in adhesive dentistry and biomimetic materials may further enhance restorative outcomes, but crowns continue to hold a key role in comprehensive pediatric oral care.

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✍️ Conclusion
Pediatric dental crowns are the treatment of choice for extensively damaged primary teeth, providing excellent durability, functional preservation, and, with modern options, improved aesthetics. Both stainless steel and zirconia crowns demonstrate high long-term survival rates. Future research should focus on minimally invasive approaches that combine aesthetics with biological preservation.

📝 Reference

✔ Innes, N. P., Ricketts, D., & Evans, D. J. (2015). Preformed metal crowns for decayed primary molar teeth. Cochrane Database of Systematic Reviews, 2015(12), CD005512. https://doi.org/10.1002/14651858.CD005512.pub3
✔ Walia, T., Salami, A. A., Bashiri, R., Hamoodi, O. M., & Rashid, F. (2014). A randomized controlled trial of three aesthetic full-coronal restorations in primary maxillary teeth. European Journal of Paediatric Dentistry, 15(2), 113–118.
✔ Choi, S. C., Park, J. H., Kim, J. H., & Shin, Y. (2018). Clinical outcomes of preformed zirconia crowns in primary molars: A 24-month prospective study. Journal of Dentistry for Children, 85(3), 107–112.

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