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Clinical and radiological evaluation of patients affected by florid osseous dysplasia - a multicenter collaborative and retrospective study

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Author(s):
Débora Lima Pereira
Total Authors: 1
Document type: Master's Dissertation
Press: Piracicaba, SP.
Institution: Universidade Estadual de Campinas (UNICAMP). Faculdade de Odontologia de Piracicaba
Defense date:
Examining board members:
Pablo Agustin Vargas; André Caroli Rocha; Fábio Ramôa Pires
Advisor: Pablo Agustin Vargas
Abstract

Florid osseous dysplasia (FOD) is a fibro-osseous disease characterized by multifocal gradual substitution of normal bone by fibrous connective tissue and/or cementum-like masses that mainly affects Black women. Diagnosis is based on clinical and radiological aspects and treatment is usually conservative. The aim of this study is to evaluate the main clinical and radiological features of FOD diagnosed in a series of patients retrieved from four different countries. A total of 82 patients diagnosed with FOD from Brazil (n=40), Guatemala (n=3) United States of America (n=13) and South Africa (n=26) were selected. Females represented 98.8% of the sample, mean age of the patients was 53.9 years and 77.4% were Black. Distribution of ethnicity/skin color was different among countries, with 100%, 84.6% and 66.6% of cases from USA, South Africa and Brazil, respectively, affecting Black patients. FOD mostly affected mandible and the lesions were radiologically classified as early (2.44%), intermediate (41.46%) and advanced (56.1%). The stage of the disease was directly correlated with age of the patients and the diagnosis is usually done in advanced ages, in stages with more obvious radiopacity. The frequent racial miscegenation seen in Brazil seems to be the reason for the difference in ethnical distribution comparing to the other two countries (South Africa and USA).The assessment through panoramic radiography showed divergences rates in the maxilla and the anterior mandible, which might indicate that this method is not suitable to diagnose this disease (AU)

FAPESP's process: 14/08930-0 - Clinicopathological and radiological evaluation of patients affected by florid osseous dysplasia: a multicenter retrospective study
Grantee:Débora Lima Pereira
Support Opportunities: Scholarships in Brazil - Master