Table of Contents
What does the mandible articulate with?
The mandible forms the lower jaw and holds the lower teeth in place. It articulates with the left and right temporal bones at the temporomandibular joints.
What bone does the maxilla articulate with?
[3] The maxilla connects with surrounding facial structures through four processes: alveolar, frontal, zygomatic and palatine. It articulates superiorly with the frontal bone, the zygomatic bone laterally, palatine bone posteriorly and with the upper teeth through the alveolar process inferiorly.
Which bone does the maxilla not articulate with?
Most of the maxillary bone is light and fragile, the exception being the portion that holds the teeth. Maxillae comprise four basic processes. They articulate with each other and with the frontal, nasals, lacrimals, ethmoid, inferior nasal conchae, palatines, vomer, zygomatics, and sphenoid. a.
Where does mandible articulate with cranium?
temporomandibular joint
The mandible articulates with the cranium via the temporomandibular joint.
What is the function of the maxilla?
Your maxilla is a crucial bone in your skull’s structure and enables many basic functions, such as chewing and smiling. If it’s fractured, it can affect many other important bones around it and keep you from accomplishing even simple daily tasks.
What type of bone is the maxilla and mandible?
Alveolar bone
Alveolar bone is that part of the maxilla and mandible which supports the teeth by forming the “other” attachment for fibres of the periodontal ligament (Fig. 1.148). It consists of two plates of cortical bone separated by spongy bone (Fig.
What is the difference between mandible and maxilla?
As nouns the difference between maxilla and mandible is that maxilla is either of the two bones that together form the upper jaw while mandible is the lower jaw, especially the lower jawbone.
Where is maxilla located?
The maxilla is the bone that forms your upper jaw. The right and left halves of the maxilla are irregularly shaped bones that fuse together in the middle of the skull, below the nose, in an area known as the intermaxillary suture.
Are maxilla and maxillary the same thing?
As nouns the difference between maxillary and maxilla is that maxillary is the jawbone while maxilla is either of the two bones that together form the upper jaw.
What does the alveolar process articulate with?
It is variable in expression, articulating with the pyramidal process of the palatine and sometimes with the lateral pterygoid plate of the sphenoid.
How is the mandible related to the maxilla?
Mandible. This bone is also known as the lower jaw and it articulates dentally with the upper jaw or the maxilla in the viscerocranium via the teeth when the mouth is closed. It also articulates to the neurocranium via the temporal bone, forming the temporomandibular joint (TMJ). How does the maxilla grow?
What is the function of the maxilla in the skull?
Kim Bengochea, Regis University, Denver 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 plays an important role for mastication and communication.
Where is the articular disk located on the mandible?
—The articular disk is a thin, oval plate, placed between the condyle of the mandible and the mandibular fossa. Its upper surface is concavo-convex from before backward, to accommodate itself to the form of the mandibular fossa and the articular tubercle.
How many teeth are on each side of the mandible?
Symmetrically, each side of the mandible contains five primary teeth and seven to eight permanent teeth, depending on whether the wisdom teeth or third molars form during embryonic development. If you want to learn about the mandible using videos, illustrations and quizzes, click on the following study unit: