This review examines the effects of diet and oral hygiene habits on the quality and longevity of direct restorations. Research shows that the regular consumption of acidic foods and drinks (e.g., citrus, soft drinks, coffee, alcohol) increases the roughness and reduces the microhardness of the restorative materials. Good oral hygiene helps maintain the integrity of the restorations, while excessive brushing can lead to deterioration of their esthetic and biomechanical properties.
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