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What muscles move the mandible side to side?
The primary muscles responsible for moving the mandible side to side are the lateral pterygoid and the medial pterygoid muscles. The lateral pterygoid muscle facilitates the protrusion and lateral movement of the mandible, while the medial pterygoid assists in elevating the mandible and also contributes to lateral movements. Together, these muscles enable the grinding motion necessary for chewing.
What specific terminology describes mandible movement from side-to-side?
The specific terminology that describes mandible movement from side to side is "lateral excursion." This movement involves the mandible shifting laterally, allowing for the grinding of food and facilitating the chewing process. Lateral excursion is an essential component of normal jaw function and is often assessed in dental and orthodontic evaluations.
What muscle is lateral to the ramus of the mandible?
The masseter muscle is lateral to the ramus of the mandible.
What muscle Protrudes the mandible?
lateral pteregoid
In Bennett movement there is movement of which condyle?
the movement of mandible toward lateral causes movement in both right and left condyles. For example, if one moves one's mandible (lower jaw) toward right, the right conlye moves laterally and the left goes downward, forward, and medially, so the left condyle is defined as nonworking and the right condyle as working. the movement of nonworking condyle,in this example left condyle, forms an angle between sagittal plan and direction of nonworking condyle, which is called Bennett angle.
What movement causes your mouth to open?
The movement that causes your mouth to open is primarily the contraction of the digastric and mylohyoid muscles, which are located in the jaw area. These muscles work together to lower the mandible (the lower jaw), allowing the mouth to open. Additionally, the lateral pterygoid muscle plays a role by facilitating the forward movement of the jaw. This coordinated action allows for functions such as speaking, eating, and breathing.
What bone is lateral to the styloid process?
The bone that is lateral to the styloid process of the temporal bone is the mandible, specifically the ramus of the mandible. The styloid process is a slender bony projection that extends downward from the temporal bone, while the mandible is located below and to the side of the skull.
What muscles is responsible for the protraction of the mandible?
The lateral pterygoid muscle has a triangular shape, with two heads; superior and inferior. It has horizontally orientated muscle fibers, and is the major protractor of the mandible.
What muscle helps the platysma lower the mandible?
Lateral pterygoid (HOLES book, pg 155 part a )
What is Bennett movements in teeth?
the movement of mandible toward lateral causes movement in both right and left condyles. For example, if one moves one's mandible (lower jaw) toward right, the right conlye moves laterally and the left goes downward, forward, and medially, so the left condyle is defined as nonworking and the right condyle as working. the movement of nonworking condyle,in this example left condyle, forms an angle between sagittal plan and direction of nonworking condyle, which is called Bennett angle.
Where does the masseter temporalis and pterygoids all insert?
The masseter inserts on the mandible, specifically on the angle and ramus. The temporalis inserts on the coronoid process of the mandible. The lateral pterygoid inserts on the condyloid process of the mandible, while the medial pterygoid inserts on the angle of the mandible.
What is the muscle called that is located between the condyle of the mandible and the the greater wing of the sphenoid?
Lateral Pterygoid
