👉 The term "hyomandibula" is a medical condition that refers to the loss of the mandible (the upper jawbone) from the age of 2 years. This can happen due to a variety of factors, including birth defects, trauma or disease, and it may also be caused by certain medications or surgeries. The term "hyomandibula" is often used in children who have undergone dental surgery for other reasons such as orthodontics, root canal therapy, or