<p>Craniofacial is a medical term that relates to the bones of the skull and face. Craniofacial abnormalities are <a href="https://medlineplus.gov/birthdefects.html">birth defects</a> of the face or head. Some, like <a href="https://medlineplus.gov/cleftlipandpalate.html">cleft lip and palate</a>, are among the most common of all birth defects. Others are very rare. Most of them affect how a person's face or head looks. These conditions may also affect other parts of the body.</p> <p>Treatment depends on the type of problem. Plastic and reconstructive surgery may help the person's appearance.</p>