A Study on the Effects of Tongue Cleaning

DOI 8 Citations 29 References
  • Ohmori Misaki
    Comprehensive Dental Care Unit, The Nippon Dental University Dental Hospital at Niigata
  • Miyazaki Akiko
    The Nippon Dental University College at Niigata, Department of Dental Hygiene
  • Sato Harumi
    The Nippon Dental University College at Niigata, Department of Dental Hygiene
  • Katano Shiho
    The Nippon Dental University College at Niigata, Department of Dental Hygiene
  • Tanabe Satoko
    The Nippon Dental University College at Niigata, Department of Dental Hygiene
  • Masatsuki Noriko
    The Nippon Dental University College at Niigata, Department of Dental Hygiene
  • Imade Shoichi
    Jacks Co. Ltd.
  • Sano Akira
    Jacks Co. Ltd.

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Other Title
  • 舌苔を認める者の口臭抑制に対する舌清掃の効果について

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We evaluated breath odor reduction after tongue cleaning instruction to adults. The subjects with tongue coat were examined for the coat extent and organoleptic breath odor scores, then instructed in tongue cleaning technique by dental hygienists. After 1 month, both scores were improved. Next, the breath odor of 26 subjects who had tongue coat was measured before and after understanding tongue cleaning technique. Also, they were examined tongue coat extent, plaque control, probing pocket depth (PPD) and bleeding on probing (BOP) each time. They were instructed by dental hygienist or dentist to brush away their tongue coats with a Dental Pro multi-tufted tongue brush (Jacks Co. Ltd.) at least once a day. They were instructed to use the tongue brush until they saw no more plaque on their tongues. Breath odor was evaluated using two portable sulphide monitors, gas chromatography, and organoleptic measurements. Subjects were asked to refrain from brushing, eating, drinking, smoking or using mouthwash 2 hours prior to each examination. Coating was inspected and then evaluated in 5 grades, according to the distribution area and thickness. Then they were re-examined in using the same methods 1 week to 1 month after instruction. We found that breath odor and tongue coat status improved after instruction, but no significantly different was seen in PPD, BOP, or the amount of dental plaque before and after instruction. Moreover, there were significant correlations between volatile sulpher compounds (VSC) and tongue coat status. But, no correlation was seen between VSC and PPD or BOP or the amount of dental plaque. Therefore, we concluded that tongue cleaning is recommendable in reducing breath odor.

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