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The Stafne defect (also termed Stafne's idiopathic bone cavity, Stafne bone cavity, Stafne bone cyst (misnomer), lingual mandibular salivary gland depression, lingual mandibular cortical defect, latent bone cyst, or static bone cyst) is a depression of the mandible, most commonly located on the lingual surface (the side nearest the tongue).
Odontogenic cysts are a group of jaw cysts that are formed from tissues involved in odontogenesis (tooth development). Odontogenic cysts are closed sacs, and have a distinct membrane derived from the rest of odontogenic epithelium .
Cysts of the jaws are cysts—pathological epithelial-lined cavities filled with fluid or soft material—occurring on the bones of the jaws, the mandible and maxilla.Those are the bones with the highest prevalence of cysts in the human body, due to the abundant amount of epithelial remnants that can be left in the bones of the jaws.
Collagenase (breakdown of collagen) in the jaw bone leads to bone degeneration, providing room for cysts to develop. Substances released by the body's immune system as a result of the connective tissue breakdown, such as cytokines and growth factors, contribute to the mobilization and proliferation of epithelial cells in the area.
A glandular odontogenic cyst (GOC) is a rare and usually benign odontogenic cyst developed at the odontogenic epithelium of the mandible or maxilla. [ 2 ] [ 8 ] [ 9 ] [ 10 ] Originally, the cyst was labeled as "sialo-odontogenic cyst" in 1987. [ 7 ]
It most often affects the posterior mandible and most commonly presents in the third decade of life. [1] Odontogenic keratocysts make up around 19% of jaw cysts. [2] Despite its more common appearance in the bone region, it can affect soft tissue. [3]
The traumatic bone cyst, also referred to as a simple bone cyst or hemorrhagic cyst, is a pseudocyst that most commonly affects the mandible of young individuals. It is a benign empty or fluid-containing cavity within the mandible body that does not have evidence of a true epithelial lining.
Most calcifying odontogenic cysts appear asymptomatic. [2] They are normally presented as a painless, slow-growing mass on the mandible and/or the maxilla, mostly in the front of the mouth. [5] Symptoms include swelling in the mouth, both inside the bone, in the tooth bearing areas, and outside the bone, in the gingiva.