A baby's first tooth often appears between 5 and 7 months of age. Some babies get their first tooth a little earlier and others a little later. Here's what you need to know.

Children's teeth begin developing in the fetus. Good nutrition from the mother during pregnancy is important in the development of the teeth.

Detailed information on infant problems of the teeth and mouth

Detailed information on dental and oral health in children

Tooth decay is the breakdown of tooth enamel. Enamel is the hard outer surface of a tooth. Tooth decay can lead to cavities.

Cleft lip and palate are openings or splits in the upper lip or roof of the mouth (palate). A child can be born with a cleft lip, cleft palate, or both. Cleft lip and palate may be the only birth defects, or they may happen with other defects.

Cystic fibrosis (CF) is an inherited disease of the glands that make mucus and sweat. Read on for information about how CF affects the body and who may be more likely to have this disease.

Children's days are filled with running, jumping, bicycling, sports, and other fun activities that keep them active and on the go from morning until night. Along with the fun comes an occasional cut.

During a child's day, minor injuries may happen during play and sports activities. The face and head are especially at risk for cuts and scrapes.

Eisenmenger syndrome is an advanced form of pulmonary artery hypertension.