Teeth are one of the most common dream symbols.
In dreams teeth can represent one or more of the following:

strength and aggressiveness
youth, vitality
greed or devouring instincts, envy
your self-confidence or estimation of your abilities

Dreams involving the loss, breakage, yellowing of teeth are extremely common and are most often regarded by psychologists as signs that the dreamer […]

More on the meaning of "Teeth,Tooth" in a dream

Eating is a way that we incorporate things into us, so you may be eating food that represents qualities you think you need or desire. Eating is nourishment and may represent emotional or maternal nourishment, especially if you are eating or drinking milk products, warm or sweet foods, or especially satisfying foods your mother made. […]

More on the meaning of "Eating" in a dream