Creating porcelain sculptures with embedded fragrances or scents is an innovative yet complex artistic endeavor. One of the primary challenges lies in the compatibility of fragrances with porcelain materials. Porcelain is non-porous, making it difficult for scents to permeate and linger. Artists must carefully select fragrance oils or compounds that can withstand high firing temperatures without degrading.

Another hurdle is scent preservation. Over time, embedded fragrances may fade or alter due to exposure to air, light, or temperature changes. Artists often experiment with encapsulation techniques or micro-encapsulation to prolong the scent's lifespan, but these methods can affect the sculpture's aesthetic integrity.

The balance between artistry and functionality is also crucial. Incorporating scents must not compromise the sculpture's structural stability or visual appeal. Additionally, the choice of fragrance must harmonize with the artwork's theme, adding a sensory layer without overwhelming the viewer.

Finally, there's the challenge of consistency. Replicating the same scent intensity across multiple pieces is difficult, making each sculpture somewhat unique. Despite these obstacles, the fusion of scent and porcelain offers a captivating multisensory experience, pushing the boundaries of ceramic art.