关键词: 细胞极性, 牙发育, 成釉细胞, 成牙本质细胞

Abstract: The cell polarity refers to the features of polar distribution of the cytoskeleton，organelles，and biological macromolecules caused by reciprocal cooperation or repulsion among polar protein complexes. Cell polarity is required for cells to carry out a variety of physiological functions. It allows various parts of a cell to fulfill different activities，thus is crucial for tooth development，especially for ameloblast and odontoblast differentiation and function. The research progress in cell polarity and its related molecules and pathways in tooth development is reviewed in this article.

Key words: cell polarity, tooth development, ameloblast, odontoblast