Survival of pre-formed zirconia crowns in primary teeth: a prospective practice-based cohort study

IF 1.9 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Australian dental journal Pub Date : 2024-02-01 DOI:10.1111/adj.13006

M Foster, J Patel, B Turlach, R Anthonappa

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Abstract

Background

This study aimed to investigate the (1) survival probabilities of prefabricated zirconia crowns (PZCs) placed on primary teeth and (2) identify demographic and tooth-related factors that might affect survival probability.

Methods

This study prospectively followed children treated under general anaesthesia by a single practitioner between 2012 and 2020. Demographic variables including the age at treatment, gender and tooth-related variables including FDI tooth number, crown size used and any procedural complications at postoperative reviews were collected.

Results

A total of 155 children involving 319 teeth with PZCs were followed up between 12 and 78 months postoperatively with a mean of 38 months. Of the 319 crowns followed, five failures were observed in three patients requiring extraction. Other procedural complications noted included fracture (n = 3), overhangs (n = 3), internal resorption (n = 5) and 24% of crowns showed signs of radiographic changes on postoperative radiographs when these were taken. Age at treatment, tooth type and need for pulp therapy were not statistically associated with clinical success (P > 0.1).

Conclusions

PZCs provide an aesthetic and durable solution in the management of children with early childhood caries. This study shows very good clinical success and survival extending up to 78 months for PZCs placed on primary teeth under general anaesthesia.

Abstract Image

查看原文本刊更多论文

乳牙预成型氧化锆冠的存活率：一项基于实践的前瞻性队列研究。

背景：本研究旨在调查（1）在乳牙上安装预制氧化锆冠（PZC）的存活概率；（2）确定可能影响存活概率的人口和牙齿相关因素：本研究对 2012 年至 2020 年间由一名医生在全身麻醉下进行治疗的儿童进行了前瞻性跟踪调查。收集的人口统计学变量包括治疗时的年龄、性别以及与牙齿相关的变量，包括 FDI 牙齿数量、使用的牙冠大小以及术后复查时出现的任何程序并发症：共对 155 名儿童的 319 颗牙齿进行了 PZC 随访，随访时间从术后 12 个月到 78 个月不等，平均随访时间为 38 个月。在随访的 319 颗牙冠中，发现有三位患者的五颗牙冠失败，需要拔除。其他手术并发症包括断裂（3 例）、悬垂（3 例）、内吸收（5 例），24% 的牙冠在术后拍片时显示出射线变化的迹象。治疗时的年龄、牙齿类型和牙髓治疗需求与临床成功率无统计学关系（P > 0.1）：结论：PZC 为儿童早期龋病的治疗提供了一种美观耐用的解决方案。这项研究表明，在全身麻醉下将 PZC 安放在乳牙上，临床成功率非常高，存活时间长达 78 个月。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Australian dental journal 医学-牙科与口腔外科

CiteScore

4.20

自引率

4.80%

发文量

审稿时长

6-12 weeks

期刊介绍： The Australian Dental Journal provides a forum for the exchange of information about new and significant research in dentistry, promoting the discipline of dentistry in Australia and throughout the world. It comprises peer-reviewed research articles as its core material, supplemented by reviews, theoretical articles, special features and commentaries.