Results: 33

Prevalencia de cristales de colesterol en granulomas perirradiculares de origen endodóntico
Prevalence of cholesterol crystals in periradicular granulomas of endodontic origin

Objetivos: Identificar y determinar la prevalencia de cristales de colesterol (CRCo) en granulomas perirradiculares de origen endodóntico y el tipo de reacción que provocan en los tejidos circundantes. Material y métodos: Se estudiaron con microscopía óptica 75 preparados histológicos de...

Detección y cuantificación de células plasmáticas (plasmocitos) en granulomas periapicales inducidos experimentalmente en ratas
Detection and quantification of plasma cells in experimentally induced rat periapical granulomas

Objetivo: En los granulomas periapicales, los plasmocitos (PL) participan activamente mediante la liberación de inmunoglobulinas. El propósito de este ensayo fue identificar y contar el número de PL en diferentes períodos de tiempo en lesiones periapicales experimentales en ratas. Materiales y métod...

Manejo cirúrgico de granuloma central de células gigantes em região de seio maxilar: relato de caso

Introducão: O granuloma central de células gigantes é uma lesão intraóssea incomum com predileção pela região mandibular e sexo feminino. Classifica-se como agressivo ou não agressivo de acordo com seu comportamento clínico. O tratamento de eleição para este tipo de lesão varia desde modalid...

Extensive palatal swelling and asymptomatic pulp necrosis in a patient with sickle cell trait: A new case report

J. Oral Diagn; 6 (), 2021
Although sickle cell trait (SCT) has been seen as a benign condition over time, data are accumulating of serious complications due to red cell sickling enhanced by hypoxia, acidosis, dehydration, increased blood viscosity, and hypothermia. Asymptomatic pulp necrosis (APN) is a commo...

Chronic inflammatory periapical diseases: a Brazilian multicenter study of 10, 381 cases and literature review

Abstract The aim of this study was to investigate the epidemiological and clinical characteristics of chronic inflammatory periapical diseases in different regions of Brazil and to compare with data from the literature. A multicenter study was carried out in four Brazilian referral centers in oral diagno...

Metaloproteinases da matriz: papel no desenvolvimento das lesões periapicais e modulação após tratamento endodôntico

Introduction: Apical periodontitis represents a local immune response directed against the progression of microorganisms from the dental pulp to the apical foramen and periapical tissues, which results in bone and dental resorption. The aim of this review is to describe the expression of this group of pr...

Cirurgia do periápice para remoção de lesões granulomatosas: relato de caso

Periapical granuloma is a histological term that refers to the formation of a mass of granulomatous tissue around the apex of a tooth resulting from inflammation and necrosis of the pulp tissue. It consists of an infiltrate of inflammatory cells such as macrophages, plasmocytes and lymphocytes, as well a...

Presence of langerhans cells, regulatory T cells (Treg) and mast cells in asymptomatic apical periodontitis

Abstract Asymptomatic Apical Periodontitis is essentially an inflammatory disease of microbial aetiology. Association and function of the cell components involved, or specific inductive factors and growth mediators associated with development, maintenance and resolution of the periapical lesions are stil...

Periapicopatias inflamatórias de origem endodôntica: estudo multicêntrico na população brasileira

Introdução: as periapicopatias inflamatórias de origem endodôntica são as doenças mais frequentes dos ossos maxilares e ocorrem principalmente como consequência da disseminação da infecção endodôntica. Apesar de vários estudos, não existem dados recentes sobre as características epidemiol�...

Macrophages subpopulations in chronic periapical lesions according to clinical and morphological aspects

Abstract: The aim of this study was to evaluate macrophage M1 and M2 subpopulations in radicular cysts (RCs) and periapical granulomas (PGs) and relate them to clinical and morphological aspects. M1 macrophages were evaluated by the percentage of CD68 immunostaining associated with the inflammatory cytok...