ATPの検出を利用した口腔内の衛生状態の判定に関する研究(第1報) : 唾液のATPふき取り法からみた歯磨き前後の日内変動の比較検討

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  • ATP ノ ケンシュツ オ リヨウ シタ コウコウ ナイ ノ エイセイ ジョウタイ ノ ハンテイ ニ カンスル ケンキュウ(ダイ1ポウ)ダエキ ノ ATP フキトリ ホウ カラ ミタ ハミガキ ゼンゴ ノ ニチナイ ヘンドウ ノ ヒカク ケントウ
  • The Assessment of Oral Hygiene with the ATP Detection Test: A Comparative Study of Tooth Brushing-Related Diurnal Variation Using the Salivary ATP Swab Test

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Visual observation as an assessment of oral hygiene lacks objectivity. This study aims at determining the validity of performing the ATP values of saliva in the oral cavity. With 14 samples taken from 10 healthy volunteers we analyzed how diurnal variation of salivary ATP values is affected by tooth brushing upon rising, after breakfast, lunch, and dinner, and before retiring. Low upon rising in the morning and prior to tooth brushing, salivary ATP values rose after each tooth brushing, although the hike was not statistically significant. Between the ATP values subsequent to tooth brushing before retirement and those values upon rising the next morning was a significant difference (p<0.05). Releasing dental plaque, tooth brushing seems to increase ATP values. We also observed that plaque and food debris may sometimes withstand rinsing and stay in the mouth. We found salivary ATP values fluctuate hourly after each meal of the day. This study suggests that the salivary ATP swab test, which is sensitive to both normal bacterial flora and food debris in the oral cavity, provides a simple and valid method to objectify oral hygiene.

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