Survival Analysis of Prefabricated Zirconia Crowns with and Without Pulpotomy in Primary Teeth: A Retrospective Cohort Study.

IF 2 4区医学 Q2 PEDIATRICS Children-Basel Pub Date : 2024-11-19 DOI:10.3390/children11111402

Murad Alrashdi

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Abstract

Background: Prefabricated Zirconia Crowns (PZCs) are increasingly preferred for restoring primary teeth due to their esthetic appeal and retention. However, their rigid, unmodifiable design requires precise tooth preparation, often leading to aggressive reduction and potential pulp exposure. Pulpotomy, a standard treatment for reversible pulpitis and mechanical pulp exposure, is sometimes employed before PZCs. While pulpotomy is not routinely performed, its use raises important considerations about the interplay between restorative procedures and pulp therapy in pediatric dentistry, particularly regarding the long-term restoration outcomes of PZCs.

Purpose: This study aimed to investigate the impact of pulpotomy on the success rate of PZCs.

Methods: We examined 81 anterior upper primary teeth treated with PZCs in children aged 2-5 years over a two-year period. Cases were divided into groups with and without pulpotomy. Follow-ups occurred at 6-month intervals, assessing clinical and radiographic outcomes. Analyses were performed using SPSS 25.0 software. The statistical significance was p < 0.05.

Results: A total of 81 anterior primary teeth were included. Chi-square analysis showed no association between pulp therapy and PZC success (χ² = 0.051, p = 0.822). The Kaplan-Meier survival analysis revealed comparable survival curves and the log-rank test showed no statistically significant difference in survival time between pulpotomy-treated and untreated groups (χ² = 0.051, p = 0.821).

Conclusions: Pulpotomy did not significantly affect the success rate of PZCs within 2 years.

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有无牙髓切断术的预制氧化锆冠在基牙中的存活率分析：回顾性队列研究

背景：预制氧化锆牙冠（PZC）因其美观性和固位性而越来越多地成为修复基牙的首选。然而，其坚硬、不可修改的设计需要精确的牙体预备，往往会导致牙体锐减和潜在的牙髓暴露。牙髓切断术是治疗可逆性牙髓炎和机械性牙髓暴露的标准方法，有时会在 PZC 之前使用。虽然牙髓切开术并不是常规的治疗方法，但它的使用引起了人们对儿童牙科修复程序和牙髓治疗之间相互作用的重要思考，尤其是对PZC的长期修复效果的思考：我们对 81 名 2-5 岁儿童的上前乳牙进行了为期两年的 PZC 治疗。病例分为进行和未进行牙髓切断术的两组。每隔 6 个月进行一次随访，评估临床和放射学结果。分析使用 SPSS 25.0 软件进行。统计学意义为 p < 0.05：共纳入了 81 颗前基牙。卡方分析表明，牙髓治疗与 PZC 成功率之间没有关联（χ2 = 0.051，P = 0.822）。Kaplan-Meier生存分析显示了相似的生存曲线，log-rank检验显示牙髓切断术治疗组和未治疗组的生存时间差异无统计学意义（χ2 = 0.051，P = 0.821）：结论：牙髓切断术对 PZC 2 年内的成功率没有明显影响。

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来源期刊

Children-Basel PEDIATRICS-

CiteScore

2.70

自引率

16.70%

发文量

1735

审稿时长

6 weeks

期刊介绍： Children is an international, open access journal dedicated to a streamlined, yet scientifically rigorous, dissemination of peer-reviewed science related to childhood health and disease in developed and developing countries. The publication focuses on sharing clinical, epidemiological and translational science relevant to children’s health. Moreover, the primary goals of the publication are to highlight under‑represented pediatric disciplines, to emphasize interdisciplinary research and to disseminate advances in knowledge in global child health. In addition to original research, the journal publishes expert editorials and commentaries, clinical case reports, and insightful communications reflecting the latest developments in pediatric medicine. By publishing meritorious articles as soon as the editorial review process is completed, rather than at predefined intervals, Children also permits rapid open access sharing of new information, allowing us to reach the broadest audience in the most expedient fashion.