Which cells does the stellate reticulum support and protect?

The stellate reticulum is a layer of loosely arranged cells found within the developing dental enamel organ. Its primary role is to provide support and protection to ameloblasts, which are the cells responsible for enamel formation during tooth development. The stellate reticulum contains star-shaped cells that create a supportive environment, facilitating the proper function and health of ameloblasts as they secrete enamel matrix proteins, leading to the mineralization and formation of enamel.

The other cell types listed do not receive direct support from the stellate reticulum in the same way that ameloblasts do. Odontoblasts are involved in the formation of dentin, cementoblasts are responsible for the formation of cementum on the roots of teeth, and fibroblasts are indicative of connective tissue cells that contribute to various structural properties in different tissues. While these cells play critical roles in dental tissue development, the stellate reticulum specifically serves the function of supporting ameloblasts during enamel development. This specialized function is what makes option B the correct choice.