ブルー・コヴァリンの歯磨き粉が歯の色に与える影響:ランダム化クロスオーバー研究
Lu Zhang1, Andrew Joiner2, Ashok K Gupta3
1Unilever Oral Care, Changning District, Shanghai, China.
International dental journal
|August 20, 2025
まとめ
青いコヴァリンの付いた歯磨き粉は,一度使用すると,歯の白さを大幅に改善し,歯の黄色さが減少します. これには,青と緑のコヴァリン,粘土,木炭が付加され,歯を効果的に白くします.
科学分野:
- 歯科科学
- 美容歯科
- 材料科学
背景:
- 歯の変色や黄色化は 常見の美学的な問題です
- 効果 的 で すぐ に 歯 を 白く する 方法 が 求め られ て い ます.
- コバリン化合物は光学特性で知られている.
研究 の 目的:
- 青いコバリンを含む歯磨き粉が,歯の白さを高める効果を評価する.
- 特定の歯磨き粉を使用した後の歯の黄色の減少を測定する.
- 青いコヴァリンの濃度や 他の成分との組み合わせを比較する
主な方法:
- 66人の参加者を対象に4期間のランダム化・ダブルブラインド・クロスオーバー試験を実施した.
- 四つのシリカ基フッ化物歯磨き粉が試験された.対照用,青色コヴァリン (BC1),高級青色コヴァリン (BC2),青色/緑色コヴァリンと粘土/炭水化物 (BC+GC).
- 歯の色はビデオデジタル画像システムを使用して評価され,一度のブラシング後に白さ指数 (WIO) と黄さ指数 (YIO) を測定しました.
主要な成果:
- テストされたすべての歯磨き粉は,一回の歯磨き後にすぐに歯の白さを大きく増し,黄色さが減少した (P < .0001).
- 青いコヴァリン (BC+GC,BC1,BC2) を含む歯磨き粉は,対照群と比較してWIOの統計的に有意な改善とYIOの減少を示した.
- BC+GC製剤は最も顕著な効果を示し,平均WIO差は5. 51 ± 0. 40であり,YIO差は - 4. 37 ± 0. 34であった.
結論:
- 青いコバリンを配合した歯磨き粉は,即時で効果的な歯の美白を提供します.
- 青と緑のコヴァリンと粘土と木炭を添加すると,白化と黄色の減少効果がさらに強化されます.
- 歯磨き粉を一度使用すると 歯の外見が改善されます
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