Navegando por Autor "Oliveira, P. T."
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Artigo Conservative management of dentigerous cyst in a child(2013) Lima, Emeline das Neves de Araújo; Maia, Conceição Aparecida Dornelas Monteiro; Gurgel, Alberto Costa; Oliveira, P. T.; Medeiros, Ana Miryam Costa deA B S T R A C T Dentigerous cysts are odontogenic cysts associated with the crowns of unerupted permanent teeth. This article reports the case of a 10-year-old child who presented permanence of deciduous teeth 51, 52, and 53. Panoramic radiograph showed extensive cystic lesion involving the teeth 11, 12 and 13, which were included. Diagnosis of dentigerous cysts was confirmed by incisional biopsy and the treatment was chosen in order to preserve the associated permanent teeth. At 2 years of follow-up, the impacted teeth are positioning itself spontaneously toward its eruption and the patient was referred for orthodontic assessment.Artigo Oral Langerhans cell histiocytosis: case report with follow-up of ten years(2014) Lima, Emeline das Neves de Araújo; Araújo, Eliakim Medeiros Alves de; Oliveira, P. T.; Medeiros, Ana Miryam Costa deLangerhans cell histiocytosis (LCH) is characterized by clonal proliferation of Langerhans cells exhibiting Birbeck granules and positive immunohistochemistry for S100 and CD1A. A malignant transformation or a functional proliferation of Langerhans cells responding to external stimuli are possible sources. In the oral cavity, they can occasionally present as hyperplasia of the gingiva or ulcers of the cheek, palate, or tongue mucosa. The diagnosis is made after careful examination, and the exclusion of other similar diagnostic possibilities. Several therapeutic modalities have been suggested for LCH, such as intralesional corticosteroid injection, antibiotics, steroids, radiation therapy, and chemotherapy. Surgical options ranging from extensive resections to more conservative approaches are available and, in many cases, healing has resulted from a single biopsy. The present report regards LCH in the oral cavity and emphasizes the rarity of this lesion, as well as the importance of differential diagnosis, treatment, and appropriate follow-up for these patients.