Abstract
Data sources
PubMed, Embase and Cochrane Central Register of Controlled Trials (CENTRAL) were searched until 2014. Reference lists from the articles were examined
Study selection
Two authors independently searched for randomised and non-randomised controlled trials and prospective and retrospective cohorts with a mean follow up period of at least five years.
Data extraction and synthesis
Quality of the studies was assessed using the Newcastle-Ottawa scale (NOS) and the data were extracted on a specially designed form. The primary outcome was calculated as risk ratio of tooth loss (RRTL). Risk difference of tooth loss (RDTL) and weighted mean difference of tooth loss rate (WDTLR) were also calculated.
Results
One prospective and seven retrospective cohort studies including 1409 participants were included. The pooled RRTL was calculated as 0.56 (CI: 0.38,0.82) P<0.01, while the pooled RDTL was calculated as −0.05 (CI: −0.08, −0.01) p<0.01. Based on the risk difference, the NNT was calculated as 20.
Conclusions
Tooth loss rate was significantly lower in the regular compliance group over the five years. To prevent one extraction, 20 teeth have to be maintained with regular compliance for more than five years.
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References
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Additional information
Address for correspondence: N Karimbux, Tufts University School of Dental Medicine, One Kneeland Street, DHS-1512, Boston, MA 02111, USA. E-mail: nadeem.karimbux@tufts.edu
Lee CT, Huang HY, Sun TC, Karimbux N. Impact of Patient Compliance on Tooth Loss during Supportive Periodontal Therapy: A Systematic Review and Meta-analysis. J Dent Res. 2015; 94: 777–786 pii: 0022034515578910. [Epub ahead of print] Review. PubMed PMID: 25818586.
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Pachêco-Pereira, C., Spivakovsky, S. Patient compliance and periodontal outcomes. Evid Based Dent 17, 21–22 (2016). https://doi.org/10.1038/sj.ebd.6401153
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DOI: https://doi.org/10.1038/sj.ebd.6401153
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