👉 Hyperorthognathy is a condition that occurs when the bone in the jaw, called the maxilla, becomes too strong and grows beyond its normal size. This can cause pain or discomfort when chewing, as well as affect facial features such as smile alignment and bite alignment. In general, hyperorthognathy is characterized by an abnormal growth of the bone over time. It may be caused by a variety of factors, including smoking, obesity, stress, and trauma to the jaw. If left untreated