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Avances en Odontoestomatología
versión On-line ISSN 2340-3152versión impresa ISSN 0213-1285
Resumen
PETERS, F.I. et al. Prevalence of odontogenic cysts: Hospital Regional Valdivia, between years 1990-2010. Av Odontoestomatol [online]. 2012, vol.28, n.6, pp.303-309. ISSN 2340-3152.
Objective: Determine the prevalence of Odontological Cysts in the attended patients of Hospital Regional Valdivia, between 1990 and 2010, according to the World Health Organization (WHO) classification of tumour like lesions, 2005. This investigation corresponds to a descriptive cross-sectional study. Method: The biopsy reports of the Hospital Regional Valdivia, during a 20 years period (1990-2010), were analyzed, selecting those with Odontological Cysts histopathological diagnosis. The analyzed variables were: year of the biopsy report; patient's gender and age; anatomical location of the lesion and histopathological diagnosis. The extracted data were stored in a data base for descriptive statistical analysis. Results: Within the 1850 biopsies found from the maxilofacial region, the Odontological Cysts prevalence was 11.9%. According to the type of cyst, the most prevalent was Radicular/Periapical Cyst (84.5%), followed by Dentigerous/Folicular Cyst (14.1%), and then Residual Cyst (0.9%). The least prevalent was Eruption Cyst (0.5%). 52.7% of all Odontological Cystswere found in women. The cysts's presentation among age ranges was between 4 and 81 years old (average 31.7±3.7 years old). The most frequently affected anatomical region was the superior maxilla (65.5%). Conclusion: Odontological Cysts are histopathologically diagnosed lesions in varying ways between 1990 and 2010 at Hospital Regional Valdivia. Without gender predilection, they present most commonly affecting women, mainly those in the 3rd decade of life. The most common cystic lesion found was Radicular/Periapical Cyst.
Palabras clave : Odontogenic Cysts; Radicular Cyst; Dentigerous Cyst.