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The margin of this opening is irregular; it presents in front a prominent ridge, surmounted by a sharp spine, the lingula of the mandible, which gives attachment to the sphenomandibular ligament; at its lower and back part is a notch from which the mylohyoid groove runs obliquely downward and forward, and lodges the mylohyoid vessels and nerve. [6]
The mylohyoid line is a bony ridge on the internal surface of the body of the mandible. The mylohyoid line extends posterosuperiorly. The mylohyoid line continues as the mylohyoid groove on the internal surface of the ramus. The mylohyoid muscle originates from the anterior (front) part of the mylohyoid line. [1]
The terms alveolar border, alveolar crest, and alveolar margin describe the extreme rim of the bone nearest to the crowns of the teeth. [ 7 ] [ 8 ] [ 9 ] The portion of alveolar bone between two adjacent teeth is known as the interdental septum (or interdental bone).
The anterior margin of sternocleidomastoid Superior boundary (base) The lower border of the body of the mandible, and a line extending from the angle of the mandible to the mastoid process
the anterior margin of the masseter muscle anteriorly, the parotid gland posteriorly, [1] the zygomatic arch superiorly, [1] the inferior border of the mandible inferiorly, [1] the lateral surface of the mandibular ramus medially (the submasseteric space is superficial to the mandible), [1]
Although this term is technically specific to the mandible, it enjoys extensive use in reference to the maxilla as well (see Palatal). [1] [5] Mandibular Entities related to the mandible, or lower jaw. [1] Marginal A number of different 'margins' are involved in dentistry.
The condyloid process or condylar process is the process on the human and other mammalian species' mandibles that ends in a condyle, the mandibular condyle.It is thicker than the coronoid process of the mandible and consists of two portions: the condyle and the constricted portion which supports it, the neck.
The function of the sphenomandibular ligament is to limit distension of the mandible in an inferior direction. It is slack when the temporomandibular joint (TMJ) is in closed position; it is taut when the condyle of the mandible is situated anterior to the temporomandibular ligament. [2]