Orthodontic Graduate Program, School of Dentistry, University of Alberta, Edmonton, Alberta, Canada.
PLoS One. 2013 Sep 30;8(9):e74545. doi: 10.1371/journal.pone.0074545. eCollection 2013.
To identify all systematic reviews (SRs) published in the domain of oral health research and describe them in terms of their epidemiological and descriptive characteristics.
Cross sectional, descriptive study.
An electronic search of seven databases was performed from inception through May 2012; bibliographies of relevant publications were also reviewed. Studies were considered for inclusion if they were oral health SRs defined as therapeutic or non-therapeutic investigations that studied a topic or an intervention related to dental, oral or craniofacial diseases/disorders. Data were extracted from all the SRs based on a number of epidemiological and descriptive characteristics. Data were analysed descriptively for all the SRs, within each of the nine dental specialities, and for Cochrane and non-Cochrane SRs separately.
1,188 oral health (126 Cochrane and 1062 non-Cochrane) SRs published from 1991 through May 2012 were identified, encompassing the nine dental specialties. Over half (n = 676; 56.9%) of the SRs were published in specialty oral health journals, with almost all (n = 1,178; 99.2%) of the SRs published in English and almost none of the non-Cochrane SRs (n = 11; 0.9%) consisting of updates of previously published SRs. 75.3% of the SRs were categorized as therapeutic, with 64.5% examining non-drug interventions, while approximately half (n = 150/294; 51%) of the non-therapeutic SRs were classified as epidemiological SRs. The SRs included a median of 15 studies, with a meta-analysis conducted in 43.6%, in which a median of 9 studies/1 randomized trial were included in the largest meta-analysis conducted. Funding was received for 25.1% of the SRs, including nearly three-quarters (n = 96; 76.2%) of the Cochrane SRs.
Epidemiological and descriptive characteristics of the 1,188 oral health SRs varied across the nine dental specialties and by SR category (Cochrane vs. non-Cochrane). There is a clear need for more updates of SRs in all the dental specialties.
确定口腔健康研究领域发表的所有系统评价（SR），并从流行病学和描述性特征方面对其进行描述。
横断面、描述性研究。
从 1991 年至 2012 年 5 月，对 7 个数据库进行了电子检索，并对相关出版物的参考文献进行了综述。如果研究是关于与牙齿、口腔或颌面疾病/障碍相关的主题或干预措施的治疗或非治疗性调查，则将其视为口腔健康 SR 进行考虑。从所有 SR 中提取基于若干流行病学和描述性特征的数据。对所有 SR 进行描述性分析，对 9 个牙科专业领域内的每一个进行分析，并对 Cochrane 和非 Cochrane SR 分别进行分析。
从 1991 年至 2012 年 5 月，共确定了 1188 篇口腔健康（126 篇 Cochrane 和 1062 篇非 Cochrane）SR，涵盖了 9 个牙科专业领域。超过一半（n=676；56.9%）的 SR 发表在专业口腔健康期刊上，几乎所有（n=1178；99.2%）SR 都是用英语发表的，而且几乎没有非 Cochrane SR（n=11；0.9%）是对之前发表的 SR 的更新。75.3%的 SR 被归类为治疗性，其中 64.5%的研究是非药物干预，而大约一半（n=150/294；51%）的非治疗性 SR 被归类为流行病学 SR。SR 中位数包含 15 项研究，其中 43.6%进行了荟萃分析，在最大的荟萃分析中，中位数包含 9 项研究/1 项随机试验。25.1%的 SR 获得了资助，其中包括近四分之三（n=96；76.2%）的 Cochrane SR。
在 9 个牙科专业领域和 SR 类别（Cochrane 与非 Cochrane）之间，1188 篇口腔健康 SR 的流行病学和描述性特征存在差异。所有牙科专业领域都需要更多的 SR 更新。
