Abstract

In this 2nd part, the current treatment of white spot lesions by erosion/infiltration is presented, beginning with a reminder of the principle of superficial infiltration, which enables most early carious lesions, fluorosis and post-traumatic lesions to be treated. However, this technique has met with frequent failures in cases of MIH or deep lesions of traumatic origin or those associated with fluorosis. For this reason a new deep infiltration technique is proposed: thanks to its global treatment concept, this enables all white spots to be treated. The place of whitening in these treatment options is discussed, with explanations of the main reasons for its failures.

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    BACKGROUND: Dental fluorosis is a condition of enamel hypomineralization due to the effects of excessive fluoride on ameloblasts during enamel formation. Delayed degradation of enamel matrix proteins or inhibited protein removal results in impaired and incomplete crystal growth, producing hypomineralized and porous enamel. Severely fluorosed teeth may undergo post-eruptive surface

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