What is the piece of skin that holds your lip to your gums?
In the mouth, a frenum or frenulum is a piece of soft tissue that runs in a thin line between the lips and gums. It’s present on the top and bottom of the mouth.
What is protruding lower lip?
Lip incompetence, also known as mentalis strain, refers to a condition characterized by an inability to easily hold the lips together while at rest. Other common features of lip incompetence include protruding lips, and strain in the lower facial region when you try to seal your lips.
Is the depressor labii inferioris part of the mouth?
The depressor labii inferioris is an analogous muscle that lowers the bottom lip. The zygomatic muscle, associated with the cheeks, is divided into two parts: the major and the minor. The zygomaticus major draws the mouth upward and outward to generate a smile.
Are there any muscles that open or close the mouth?
Mastication, or chewing, involves the adduction and lateral motions of the jaw bone. It is controlled by four muscles of the face. The masseter elevates the jaw, closing the mouth. The temporalis elevates and retracts the jaw. The lateral pterygoid is the only muscle of mastication that actively opens the jaw.
What are the muscles that raise the corners of the mouth?
The depressor anguli oris (triangularis) is also associated with the corners of the mouth. Located opposite to the levator anguli oris, it pulls the corners of the mouth downward, producing a frown. The levator labii superioris is a broad muscle responsible for elevation of the upper lip.
How is the tongue attached to the floor of the mouth?
Its functions include chewing, digesting, swallowing, tasting and speaking (with most important its contribution in the digestive process). The tongue is attached to the back part of the floor of the mouth by a membrane called the lingual frenum, but its front tip can move freely allowing the tongue to be able to change size, shape, and position.
What does a lump on the jaw line mean?
A movable lump on your jawbone could indicate a swollen lymph node. A network of lymph nodes helps your immune system protect your body from illnesses. These lymph nodes are located in the head and neck, including under the jaw and chin.
What are the rounded ends of the lower jaw called?
The lower jaw has rounded ends that glide in and out of the joint socket when you talk, chew or yawn. These are called the condyles. They are covered with cartilage and are separated by a small shock-absorbing disk, which keeps the movement smooth. Wear and tear on the cartilage. Damage to the surfaces of the teeth due to neglect or injury.
How can loose teeth affect the temporomandibular joint?
Loose or lost teeth that have led to damage of the jawbone or poor alignment of the upper and lower jaws. Poor alignment of the teeth or jaw when biting down. This can cause sensitivity of the teeth as well as affecting the muscles and the temporomandibular joint. Overuse of the muscles of chewing.
Where are the temporomandibular joints in the head?
The temporomandibular joint is actually two pairs of joints that make it possible for the jawbone to rotate and slide. This joint connects the lower jaw to the skull. The temporomandibular joints can be found on either side of the head in front of the ears.