LARGE MAXILLARY CYST DECOMPRESSION, TWO CASE REPORTS

Zagalo L, Gomes J, Lesyshyn V, Maia P, Marques J

Abstract


Maxillary odontogenic cysts frequently appear as asymptomatic intra-bony inflammatory lesions, sometimes reaching
largedimensions. Both clinical and anatomopathological approach must be performed in the differential diagnosis in
order to eliminate oncogenic origin. The classical surgical approach for these situations is, among others and depending
on the cyst type, enucleation. This can be performed with aggressive bone curettage or with physical or chemical
additional treatments of the area, such as cryotherapy or Carnoy solution application. Specially in large dimension
lesions or when involving noble structures, marsupialization is also an important option. It consists in the creation of a
surgical opening of the pathological cavity to allow decompression and with it, shrinkage of the lesion, and consequent
bone regeneration in that area. This is kept during a limited period, so that a definitive approach can be attained later
with an easier surgical technique, with fewer risks and/or less morbidity for the patient.
Two clinical cases of large mandibular cysts are presented. The treatment approach was made initially with surgical
decompression, being the area maintained open using a plastic catheter sutured to the mucosa and programmed for
future enucleation.


Keywords


Mandibular cyst; decompression; bone regeneration

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