Restoring antique porcelain sculptures is a delicate art that demands precision, patience, and deep expertise. One of the primary challenges conservators face is the extreme fragility of aged porcelain. Centuries of environmental exposure often leave these artworks with micro-fractures, unstable glazes, and structural weaknesses that complicate handling.

Another critical issue is matching original materials. Many historical porcelain recipes and glaze techniques are lost or undocumented, making authentic repairs nearly impossible. Conservators must carefully analyze chemical compositions and experiment with modern alternatives that visually and structurally mimic the original work without compromising its integrity.

The irreversible nature of restoration poses ethical dilemmas. Over-restoration can erase an object's history, while under-treatment may fail to preserve it. Experts must balance preservation with minimal intervention, often debating whether to fill missing sections or leave gaps as historical evidence.

Environmental factors further complicate the process. Temperature fluctuations, humidity, and even light exposure can reactivate old damage or cause new deterioration. Proper storage and display conditions must be established before restoration begins.

Lastly, the scarcity of skilled artisans familiar with traditional porcelain techniques creates a knowledge gap. This specialized field requires understanding both ancient craftsmanship and modern conservation science - a rare combination that makes each successful restoration a small miracle of art and science working in harmony.