"Pearly whites" is a term used to describe one's teeth, particularly when they are healthy, white, and shiny. Although this phrase is commonly used to describe teeth, there are numerous synonyms that can be used to replace it in your writing. Some of the popular synonyms for "pearly whites" include "dazzling teeth," "gleaming teeth," "sparkling teeth," "luminous teeth," and "radiant teeth." Other options include "ivory teeth," "snowy teeth," "crystal-clear teeth," "pearlescent teeth," and "refined teeth." With so many suitable synonyms available, you can choose the one that best fits your writing style and context to make it more engaging and impactful.