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Review
, 12 (5), 345-50

Chemical Plaque Control and Extrinsic Tooth Discoloration. A Review of Possible Mechanisms

Review

Chemical Plaque Control and Extrinsic Tooth Discoloration. A Review of Possible Mechanisms

H M Eriksen et al. J Clin Periodontol.

Abstract

The etiology of extrinsic tooth discolorations due to chemical, plaque-preventive agents is not fully understood. However, information from experimental investigations point to at least 3 possible mechanisms. (A) Non-enzymatic browning reactions (Maillard reactions). (B) Formation of pigmented metal (Fe, Sn)-sulfides. (C) Reaction products of food and beverage constituents and chemical, plaque-preventive compounds. Available evidence indicates that browning (A) and formation of pigmented metal sulfides (B) are the most likely causes of these discolorations while dietary factors (C) may play a modifying rôle.

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