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3TMR Integrative Nursing  2018, Vol. 2 Issue (2): 68-75    DOI: 10.12032/TMRIN20180303
Meta-analysis     
Effects of mechanical tongue cleaning on halitosis: A meta-analysis
Chen Chen1, Ying-Shu Jin2,*()
1Tianjin University of Traditional Chinese Medicine, Tianjin, China.
2Stomatological Hospital, Tianjin Medical University, Tianjin, China.
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Highlights

This meta-analysis systematically evaluatd the efficacy of mechanical tongue cleaning on halitosis, and showed that treatment combined with mechanical tongue cleaning could reduce risks of halitosis and Winkel Tongue Coating Index.

Editor’s Summary

Mechanical tongue cleaning is effective in reducing volatile sulphur compounds. However, there is insufficient evidence indicate the effective of mechanical tongue cleaning on preventing halitosis. This article found that mechanical tongue cleaning could reduce Winkel Tongue Coating Index and improve improve overall oral health condition.

ABSTRACT

Objective: To systematically review the effects of mechanical tongue cleaning on halitosis. Methods: Searching and collecting the RCTs about treatment combine with mechanical tongue cleaning from inception to May 2017 in the databases, like CNKI, VIP, WanFang Data, PubMed, the Cumulative Index to Nursing and Allied Health Literature, The Cochrane Library, Web of Science. Two reviewers screened the literatures according to inclusion and excluding criteria, extracted the data independenly, assessed bias risks. In case of disagreement, the discussion shall be settled by the third reviewer. Meta-analysis was conducted by RevMan 5.3. Results: A total of 4 RCTs with 185 volunteers were included. The results of Meta-analysis showed that treatment combine with mechanical tongue cleaning has an advantage over the control group in the levels of Winkel Tongue Coating Index [MD = 2.15, 95%CI(0.93,3.36), = 0.0006], Organoleptic Assessment [MD = -0.71, 95%CI(-0.95,-0.48), <0.00001], but no significant differences between two groups in Volatile Sulphur Compounds [SMD = -1.13, 95%CI(-2.91,0.65), = 0.21], Bleeding On Probing [MD = -1.01, 95%CI(-7.05,5.03), = 0.74]. Conclusion: Treatment combined with mechanical tongue cleaning could reduce risks of halitosis and Winkel Tongue Coating Index.



Key wordsMechanical tongue cleaning      Halitosis      RCT      Meta-analysis     
Published: 24 June 2018
Corresponding Authors: Jin Ying-Shu     E-mail: JYS5009@sina.com
Cite this article:

Chen Chen, Ying-Shu Jin. Effects of mechanical tongue cleaning on halitosis: A meta-analysis. 3TMR Integrative Nursing, 2018, 2(2): 68-75. doi: 10.12032/TMRIN20180303

URL:

https://www.tmrjournals.com/in/EN/10.12032/TMRIN20180303     OR     https://www.tmrjournals.com/in/EN/Y2018/V2/I2/68

Figure 1 The search and selected progress of literatures.
Table 1 Basic Characters of Literatures Included
Study Randomization Allocation Blinded Integrity of outcomes Selective
reporting
Other origin of risk
Faveri 2006[11] Unclear Unclear Single blinded Integral No Unclear
Aung 2015[12] Random number table Unclear Single blinded Integral No Unclear
Ileri 2015[13] Unclear Unclear Single blinded Integral No Unclear
Wang 2017[14] Unclear Unclear Unclear Integral No Unclear
Table 2 Assessment of Bias Risk
Figure 2 Mechanical tongue cleaning affects VSCs.
Figure 3 The combined application of tooth brushing and mechanical tongue cleaning affects WTCI.
Figure 4 The combined application of tooth brushing and mechanical tongue cleaning affects ORG.
Figure 5 The combined application of tooth brushing and mechanical tongue cleaning affects BOP.
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