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An oroantral fistula (OAF) is an epithelialized oroantral communication (OAC), which refers to an abnormal connection between the oral cavity and the antrum. [1] The creation of an OAC is most commonly due to the extraction of a maxillary tooth (typically a maxillary first molar) which is closely related to the antral floor.
Those that are larger than 2mm have a higher chance of developing into oro-antral fistula (OAF). [11] The passage is only defined as an OAF if it is persistent and lined by epithelium. [11] Epithelialisation happens when an OAC persist for at least 2–3 days and oral epithelial cells proliferate to line the defect.
A modification obturator may be used in the short term to block a palatal fistula, for augmentation of the seal and to separate the oral and nasal cavities. An interim palatal obturator is used post-palatal surgery. This obturator aids in closing the remaining fistula and is used when no further surgical procedures are planned.
Alveolar cleft grafting is used primarily to allow the eruption of the maxillary canines into the mouth between the ages of 8 and 13 years old. It is also used to close oranasal fistulas, stop fluid reflux into the nose, improve speech, support the maxillary lateral teeth, and stabilize the jaw for orthodontics or orthognathic surgery.
Luma Wire Transillumination: This technique has a number of advantages [19] over antral Lavage, such as: 1) Discovery of the location of the Maxillary Sinus with greater accuracy. 2) A general improvement in safety of the procedure. 3) The ability to obtain cultures at the time of lavage, when clinically warranted or indicated by CT-scan evidence.
Caldwell-Luc surgery, Caldwell-Luc operation, also known as Caldwell-Luc antrostomy, and Radical antrostomy, is an operation to remove irreversibly damaged mucosa of the maxillary sinus.
In 1928, Rosenthal used an inferiorly based posterior pharyngeal flap in combination with a modified von Langenbeck palatoplasty in primary surgery for cleft palate repair. Taking a different approach, Padgett (1930) utilized a superiorly based flap for cleft palate patients whose primary surgical repair had been unsuccessful (Sloan, 2000).
LIFT technique is the novel modified approach through the intersphincteric plane for the treatment of fistula-in-ano, known as LIFT (ligation of intersphincteric fistula tract) procedure. LIFT procedure is based on secure closure of the internal opening and removal of infected cryptoglandular tissue through the intersphincteric approach.