Comparison of Methods of Eliminating Contaminants after Oral Care

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  • 口腔ケア後の汚染物除去手技の比較
  • ―Preliminary Study in Healthy Individuals―
  • ―健常者における予備的検討―

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Abstract

<p>Purpose:　After physical cleaning in oral care, it is important to eliminate the contaminants in the oral cavity in order to avoid aspiration pneumonia by the contaminants. Rinse and suction is the gold standard, but the risk of aspiration remains with water rinse. Therefore, effective methods of eliminating contaminants are still unknown. This preliminary study aimed to elucidate effective methods of eliminating contaminants after oral care in healthy subjects.</p><p>Methods:　Twenty healthy volunteers with no history of dysphagia participated in this study. The subjects brushed their teeth more than 4 h after the last brushing. The number of bacteria on the tongue, palate, or gingivobuccal fold was measured by a bacteria detection apparatus (Panasonic Healthcare) before oral care, just after the care, after eliminating contaminants, and 1 h after the care. Three methods of eliminating contaminants were applied: 1. Water rinsing (Rinse), 2. Wiping with wet tissue for oral use (WT), and 3. Wiping with sponge brush (SB). Each procedure was conducted on a different day. The number of bacteria on each location at each timing was compared using the Friedman test.</p><p>Results:　For the Rinse group, the number of bacteria decreased significantly on the gingivobuccal fold from before the care to after the elimination, but there was no significant difference on the tongue or palate.</p><p>For the WT group, the number of bacteria decreased significantly from before the care to after the elimination on all three locations.</p><p>For the SB group, the number of bacteria decreased significantly on the gingivobuccal fold from before the care to after the elimination.</p><p>Conclusion:　The present study demonstrated that wiping with wet tissue is the most effective method to decrease bacteria. The findings suggest that, after oral care, wiping with wet tissue would be a better way of eliminating contaminants than mouth rinse which may increase aspiration of contaminants. Further study is needed to explore effective methods of elimination in individuals with dysphagia.</p>

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