Tuesday, September 27, 2011

A Note On Etiology, Clinical Features And Management Of Oroantral Fistula

Mx Of Oroantral Fistula

Oro-antral fistula:
Invasion of the maxillary sinus and establishment of a direct communication with the oral cavity is referred to as an oro-antral fistula.
Factors influencing creation of oro-antral fistula:
Ü  Teeth size and configuration of the roots.
Ü  Hypercementosis and bulbous roots.
Ü  Density of alveolar bone and thickness of sinus floor
Ü  Size of the sinus.
Ü  Relation of sinus to the root of upper teeth.
Ü  Rough extraction and misguided manipulation.
Ü  Apical pathosis and attached granulomas.
Ü  Periodontal diseases which may erode sinus floor.
Ü  Presence of cysts and neoplasm.
Ü  Invasive surgery e.g. cleft and dental implants placement.
A Video On Buccal Advancement Flap


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