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It is a potential space in the face over the angle of the jaw, and is paired on each side. It is located between the lateral aspect of the mandible and the medial aspect of the masseter muscle and its investing fascia. The term is derived from sub-meaning "under" in Latin and masseteric which refers to the masseter
the lateral pterygoid muscle superiorly; the inferior border of the mandible (lingual surface) inferiorly; the medial pterygoid muscle medially (the space is superficial to medial pterygoid) the ascending ramus of the mandible laterally (the space is deep to the ramus of the mandible)
Oral cancer on the tongue. Oral cancer may occur on the lips, tongue, gums, floor of the mouth or inside the cheeks. The majority of cancers of the mouth are squamous cell carcinoma. Oral cancers are usually painless in the initial stages or may appear like an ulcer.
Its medial surface is covered by the mucous membrane of the mouth. [3] [2] Its lateral surface is separated from the ramus of the mandible by adipose tissue. [2] Its posterior border gives attachment to the superior pharyngeal constrictor muscle. [3] Its anterior border attaches to the posterior edge of the buccinator muscle. [3]
The lateral pterygoid plate of the sphenoid (or lateral lamina of pterygoid process) is broad, thin, and everted and forms the lateral part of a horseshoe like process that extends from the inferior aspect of the sphenoid bone, and serves as the origin of the lateral pterygoid muscle, which functions in allowing the mandible to move in a lateral and medial direction, or from side-to-side.
The epithelial cell rests of Malassez presented in the roots surface, principal location of the LPC, play a role in LPC formation. [8]Several additional theories had been proposed regarding the origin of lateral periodontal cysts, including the possibility that the lesions may arise as a result of pulpal infection manifesting itself in a lateral position or chronic periodontal disease ...
On the mandible it is a ridge on the superior surface. The structures hold the teeth and are encased by gums as part of the oral cavity. [12] The alveolar process comprises cells and periosteum, also encompassing nerves, blood vessels, and lymphatic vessels. [7]
The aim of treatment and surgery is to remove the entire tumour with a margin of surrounding tissue (block resection) for a good prognosis. [10] Preferable removal includes 10mm of normal bone around the neoplasm. Larger ameloblastomas can require partial resection of the jaw bone followed by bone grafting. [8]