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The submandibular space is a fascial space of the head and neck (sometimes also termed fascial spaces or tissue spaces). It is a potential space , and is paired on either side, located on the superficial surface of the mylohyoid muscle between the anterior and posterior bellies of the digastric muscle . [ 1 ]
Sometimes the buccal space is reported to be the most commonly involved fascial space by dental abscesses, [2] although other sources report it is the submandibular space. [1] Infections originating in either maxillary or mandibular teeth can spread into the buccal space, usually maxillary molars (most commonly) and premolars or mandibular ...
The muscles of mastication are enclosed in a layer of fascia, formed by cervical fascia ascending from the neck which divides at the inferior border of the mandible to envelope the area. Each masticator space also contains the sections of the mandibular division of the trigeminal nerve and the internal maxillary artery. [4]
The submasseteric space may be involved by infections that spread from the buccal space. [1] Sometimes mandibular fractures in the region of the angle of the mandible may cause an infection of the submasseteric space. [ 1 ]
The buccal ridge runs cervico-occlusally in approximately the center of the buccal surface of premolars. The labial ridge is one that runs cervico-incisally in approximately the center of the labial surface of canines. The lingual ridge extends from the cingulum to the cusp tip on the lingual surface of most canines.
This space may be created by pathology, such as the spread of pus in an infection. Odontogenic infection of the mandibular anterior teeth may erode through the lingual cortical plate of the mandible. If the level at which the infection breaks out of the mandible is below the attachment of the mylohyoid, then it will spread into the submental ...
This space may be created by pathology, such as the spread of pus in an infection, e.g. odontogenic infections. A periapical abscess may spread into the sublingual space if the apex of the tooth is above the level of attachment of mylohyoid, and the infection erodes through the lingual cortical plate of the mandible.
The communications of each pterygomandibular space are: [1] to the buccal space anteriorly; to the lateral pharyngeal space and peritonsillar space medially (around the medial pterygoid muscle). to the submasseteric space laterally (around the ramus of the mandible) to the parotid space posteriorly; to the deep temporal/infratemporal space ...