People should see a doctor if. 1  A bee sting triggers hives (to obtain advice about treatment if another bee sting occurs). 2  They have other symptoms, such as fever, joint pains, weight loss, swollen lymph nodes, or night sweats. 3  Hives recur without exposure to a trigger. 4  Symptoms last for more than 2 days.
tooth. 1. (in most vertebrates) one of the hard bodies or processes usu. attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel.
Home > Skeletal System > Bones of the Head and Neck > Teeth. The teeth are a group of hard organs found in the oral cavity. We use teeth to masticate (or chew) food into tiny pieces. They also provide shape to the mouth and face and are important components in producing speech. A tooth can be divided into two main parts: the crown and root.