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ORIGINAL ARTICLE
Year : 2020  |  Volume : 10  |  Issue : 6  |  Page : 803-811

Effectiveness of alcohol-free mouth rinse containing essential oils and fluoride as an oral hygiene adjunct among pregnant Thai women: A randomized clinical trial


1 Department of Preventive Dentistry, Prince of Songkla University, Hat Yai, Thailand
2 Department of Conservative Dentistry, Prince of Songkla University, Hat Yai, Thailand; Common Oral Diseases and Oral Epidemiology Research Center, Prince of Songkla University, Hat Yai, Thailand
3 Department of Conservative Dentistry, Prince of Songkla University, Hat Yai, Thailand; Common Oral Diseases and Oral Epidemiology Research Center, Prince of Songkla University, Hat Yai, Thailand; Prosthodontics and Occlusion Rehabilitation Research Unit, Faculty of Dentistry, Prince of Songkla University, Hat Yai, Thailand

Correspondence Address:
Supawadee Naorungroj
Department of Conservative Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai, Songkhla 90112
Thailand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jispcd.JISPCD_289_20

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Aim: This 3-month, double-blind, two-center, parallel, randomized controlled clinical trial compared the improvement of oral hygiene status from alcohol-free essential oils (EO) with 0.05% fluoride mouthwash to the control (0.05% fluoride mouthwash). Materials and Methods: One hundred and fifty-four pregnant women were clinically examined to determine Modified Gingival Index (MGI), Plaque Index (PI), and Winkel Tongue Coating Index (WTCI) at baseline, 2 weeks, and 3 months by calibrated examiners. After supragingival scaling and provision of a tooth brushing method, participants were randomly assigned to daily use of alcohol-free EO or the control rinse for 30s at bedtime. Repeated measures of analysis of variance (ANOVA) were performed to assess the effectiveness of alcohol-free EO with 0.05% fluoride mouthwash on MGI, PI, and WTCI scores. Results: One hundred and forty subjects completed the study. The dropout rate of 9.1% (n = 14) was mainly due to loss of follow-up. At baseline, no significant differences were observed between the intervention and the control groups for MGI (1.19±0.57 vs. 1.11±0.48, P = 0.371), PI (1.53±0.56 vs. 1.47±0.48, P = 0.439), and WTCI (0.88±0.48 vs. 0.88±0.50, P = 0.990). There was a statistically significant reduction of MGI, PI, and WTCI scores over time (P < 0.001). However, no significant differences were observed for between-group comparisons for all measured indices at any time point. No adverse effect was reported in either group. Conclusion: At the end of 3-month period, improvement of oral hygiene of pregnancy women in this study was evidence. However, the use of alcohol-free EO mouthwash as supplements to the daily oral hygiene did not provide a significant improvement in terms of plaque, gingival, and tongue coating indices.


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