Rogério Aparecido Dedivitis

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UNLABELLED Pharyngocutaneous fistula (PCF) is the most common complication after total laryngectomy. OBJECTIVES To establish the incidence of this complication and to analyze the predisposing factors. METHOD This is a cross-sectional study of a historical cohort including 94 patients who underwent total laryngectomy. The following aspects were(More)
BACKGROUND Pharyngocutaneous fistula (PCF) is the most common surgical complication after total laryngectomy. Controversy still remains regarding the multiple risk factors implicated. The purpose of this study was to evaluate the potential risk factors for PCF. METHODS The strategy for our literature survey included research in MEDLINE up to December(More)
OBJECTIVE The aim of this study was to investigate the effects of photodynamic therapy (PDT) on endodontic pathogens by evaluating the decrease in numbers of Enterococcus faecalis colonies in the canals of extracted human teeth. BACKGROUND DATA Failure in endodontics is usually related to inadequate cleaning and disinfection of the root canal system. This(More)
UNLABELLED Inflammatory disease and oral trauma are relevant factors for patients with oral cancer. AIM This paper aims to assess the association between oral hygiene, periodontal disease, oropharyngeal and oral cancer. MATERIAL AND METHOD In this cross-sectional prospective study, fifty subjects with untreated oral and oropharyngeal squamous cell(More)
OBJECTIVE: To correlate the signals and symptoms observed on clinical examination of patients with temporomandibular disorder with the results demonstrated by magnetic resonance imaging. MATERIALS AND METHODS: Thirty patients presenting with signs and symptoms of temporomandibular disorders underwent clinical evaluation and subsequent magnetic resonance(More)
The duration of hospital stay, following surgical procedures, has undergone a significant reduction in recent years. However, there are some risks associated with short-stay thyroid surgery. An analysis has been made of data from patients who underwent short-stay thyroid surgery, analyzing the complications associated with this procedure. Overall 270(More)
The most significant prognostic factor is the presence of regional metastasis in patients with oral squamous cell carcinoma (SCC). The radical neck dissection has been the preferred therapeutic modality to neck metastasis for one century. The objective of this study was to analyze the feasibility of selective neck dissection for SCC of the lower sites of(More)
Several oncogenes and tumor-suppressor genes are involved either as early or late event in thyroid gland carcinogenesis. Human FHIT (fragile histidine triad) gene is highly conserved gene whose loss of function may be important in the development and/or progression of various types of cancer. We undertook this study to analyze FHIT and p53 gene status in(More)
The aim of this study is to evaluate the efficacy of the application of allogenous bone at the maxillomandibular reconstructions for future rehabilitation with dental implants. The patients were submitted to reconstruction of maxilla, using allogeneic bone grafts, in 3 different techniques: onlay grafts for lateral ridge augmentation, onlay and particulate(More)
Thyroglossal duct remnants are the most common midline neck swellings, but carcinoma is found in approximately 1% of these lesions. The cysts are usually asymptomatic and the presentation of the patient with carcinoma is indistinguishable from the common cyst. Papillary adenocarcinoma comprises 75-85% of the tumors reported. A 36-year-old woman underwent(More)