The human skull has many components. In fact, in an average adult human, the skull combines 22 bones. One of these bones is the mandible, more commonly known as the lower jaw. Recognized as one of the ...

This X-ray shows a broken jaw. The dark angular line near the bottom right of the jaw is the fracture. Photo courtesy of Lisa Chan, MD, Department of Emergency Medicine, University of Arizona. What Is ...

Carbonated hydroxyapatite is the mineral found in vertebrate bones and teeth, whereas invertebrates utilize calcium carbonate in their mineralized organs. In particular, stable amorphous calcium ...

(Nanowerk Spotlight) The maxillofacial bone defects after the trauma, deformity, tumor, or infection may cause severe dysfunctions and dramatically decrease the life quality of patients. According to ...

Studying ancient humans and our pre-human ancestors is an important and interesting field. One of the key areas of our history involves a human species known as Denisovans, which are known to have had ...

So far Denisovans were only known from a small collection of fossil fragments from Denisova Cave in Siberia. A research team now describes a 160,000-year-old hominin mandible from Xiahe in China.

A fossil mandible (Penghu 1: 19,000 to 10,000 years ago) was discovered on the seabed of the Penghu Channel in Taiwan and reported as the first and oldest hominin fossil from Taiwan in 2015. Penghu 1 ...