The Bones of the Skull

The Maxillary Bones

The maxillary bones are responsible for forming the upper jaw. These two bones fuse together at the front to create a strong structure. In addition to supporting the upper jaw, they also play a crucial role in the formation of the roof of the mouth, the orbit, and the side walls of the nasal cavity. Within the maxillary bones are the maxillary sinuses, which are responsible for draining mucous secretions into the nasal cavity.

One important component of the maxillary bones is the maxillary arch, which holds the upper teeth. Any fractures in this area can have significant impacts on various functions such as speaking, chewing, smelling, tasting, and eating. It is not uncommon for maxilla fractures to occur in high-impact collisions, such as serious car accidents.


The Importance of the Mandible Bone

The mandible bone, also known as the jawbone or lower jaw, plays a vital role in the human skull. Not only is it the largest bone in the skull, but it is also the strongest. Interestingly, it is the only bone in the skull that can move. However, it’s important to note that when considering movable bones, the tiny structures in the middle ear are excluded.

Due to its significance, any fractures in the mandible can have serious consequences, particularly when caused by sports injuries. Fortunately, maxillofacial radiologists can easily diagnose such fractures. They typically use dental X-rays or more advanced machinery like a CBCT (cone beam computed tomography). Once diagnosed, treatment may involve surgical intervention.

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