Sometimes (e.g. in bony fish), the maxilla is called "upper maxilla", with the mandible being the "lower maxilla". Conversely, in birds the upper jaw is often called "upper mandible".

Explore the key differences between the mandible and maxilla, their roles in oral health, and how they impact chewing, speaking, and facial structure.

Nov 6, 2025 · It forms the upper jaw, supports the upper teeth, and contributes to the orbits, nasal cavity, and hard palate. It also houses the maxillary sinus, one of the paranasal sinuses.

The jaw consists of two main components: the upper jaw, known as the maxilla, and the lower jaw, called the mandible. These structures are connected by a joint called the …

Dec 11, 2024 · It forms the anterior part of the skull and includes the mandible, maxilla, frontal bone, nasal bones, and zygoma as the primary bones. [1] Facial bone anatomy is complex yet …

Apr 1, 2023 · By age four, teeth have formed, causing the jaw to elongate and widen; these changes in the mandible's dimensions cause the gonial angle to decrease to approximately …

Oct 30, 2023 · The maxilla, also known as the upper jaw, is a vital viscerocranium structure of the skull. It is involved in the formation of the orbit, nose and palate, holds the upper teeth and …

Mar 6, 2024 · Both the mandible and maxilla house teeth in their alveolar processes, but they differ in their development and function. The mandible grows from a single bone, while the …

In summary, the key difference lies in their mobility and function: the mandible is the movable lower jaw that is essential for chewing, while the maxilla is the stationary upper jaw, essential …

The maxilla, or upper jaw, not only supports the dental arch but also plays a significant role in facial aesthetics and nasal cavity support. Meanwhile, the mandible anchors the lower teeth …