Porcelain, bronze, and marble sculptures each require distinct maintenance approaches due to their material properties. Porcelain sculptures, while delicate and prone to chipping, are relatively low-maintenance in terms of environmental sensitivity. They resist humidity better than bronze, which can develop patina or corrosion if exposed to moisture. However, porcelain's fragility demands careful handling to avoid cracks.

Marble sculptures, though durable, are porous and susceptible to staining or erosion from acidic substances. Regular dusting and occasional professional cleaning are essential. Bronze sculptures, on the other hand, need protective wax coatings to prevent oxidation and maintain their luster.

For long-term preservation, porcelain benefits from stable indoor conditions, while bronze may require more active upkeep. Marble demands vigilance against environmental pollutants. Ultimately, the choice depends on your willingness to invest time in maintenance versus appreciating the natural aging process of materials like bronze.