Results: 3071

Influence of chlorhexidine and zinc oxide in calcium hydroxide pastes on pH changes in external root surface

Abstract The objective of this study was to assess the influence of chlorhexidine (liquid and gel) and zinc oxide in calcium hydroxide (CH) pastes on root pH in simulated external resorption. One hundred human anterior teeth with a single root canal were selected. After decoronation and root canal instru...

Remineralizing effect of commercial fluoride varnishes on artificial enamel lesions

Abstract: The aim of this study was to evaluate soluble and insoluble fluoride concentrations in commercial varnishes, and their remineralization effect on artificial caries enamel lesions using surface and cross-sectional microhardness evaluations. Forty bovine enamel blocks were separated into four gro...

Alveolar bone pattern and salivary leptin levels among premenopausal obese women

ABCD (São Paulo, Impr.); 32 (1), 2019
ABSTRACT Background: Systemic bone loss may lead to more severe periodontal destruction, decreasing local bone mineral density. Aim: A cross-sectional designed was performed to study associations among alveolar bone pattern, salivary leptin concentrations, and clinical periodontal status in premenopa...

Evaluating mmp-2 and tgfß-ri expression in circulating tumor cells of pancreatic cancer patients and their correlation with clinical evolution

ABCD (São Paulo, Impr.); 32 (2), 2019
ABSTRACT Background: Metastasis is common in the diagnosis of pancreatic cancer, and the presence of epithelial-mesenchymal transition markers in circulating tumor cells may suggest worse prognosis. Aim: To correlate the number of circulating tumor cells (CTCs) in the peripheral blood of patients with...

Effect of copaiba oil in intestinal mucosa of rats submitted to hypovolemic shock

ABCD (São Paulo, Impr.); 32 (3), 2019
ABSTRACT Background: Hypovolemic shock is a common disease in polytrauma patients and may develop ischemia in various organs, increasing morbidity and mortality. The bowel is usually most affected by this condition. Aim: To evaluate the effects of copaiba oil on the intestinal mucosa's injury of rats ...

The canonical wnt pathway in gastric carcinoma

ABCD (São Paulo, Impr.); 32 (1), 2019
ABSTRACT Background : It is believed that the Wnt pathway is one of the most important signaling involved in gastric carcinogenesis. Aim : To analyze the protein expression of canonical and non-canonical Wnt pathways in gastric carcinoma. Method : The immunohistochemistry was performed in 72 specimen...

Reabilitação estética e funcional de dentes decíduos anteriores com pino de fibra de vidro e matriz anatômica de celulóide: uma revisão da literatura

RFO UPF; 24 (3), 2019
Objetivo: expor, por meio de uma revisão de literatura, uma discussão sobre os benefícios do uso do pino de fibra de vidro e matriz de celulóide na reabilitação oral de crianças, como suas possibilidades e técnicas mais adequadas para o tratamento de pacientes com amplas destruições coronárias...

Efeito da degradação química e mecânica em resinas compostas convencional e bulk fill

RFO UPF; 24 (3), 2019
Objetivo: o objetivo do presente estudo é avaliar a degradação da superfície por rugosidade de uma resina composta convencional e duas Bulk Fill armazenadas em bebidas ácidas, após escovação simulada. Materiais e Métodos: foram confeccionados 30 corpos de prova cilíndricos (10 mm x 1 mm) de cad...

Avaliação in vitro da influência de cimentos endodônticos na resistência de união sobre estrutura dentinária da câmara pulpar de dentes restaurados imediatamente e mediatamente após obturação
In vitro evaluation of the influence of endodontic cements on bond strength on the dentin structure of the pulp chamber of teeth restored immediately and immediately after filling

Este estudo teve por finalidade avaliar a influência dos cimentos endodônticos com um protocolo de irrigação na resistência de união sobre a estrutura dentinária das paredes da câmara pulpar de dentes bovinos restaurados imediatamente e após 7 dias do tratamento endodôntico. Foram avaliados os ...

Vaccarin hastens wound healing by promoting angiogenesis via activation of MAPK/ERK and PI3K/AKT signaling pathways in vivo

Acta cir. bras; 34 (12), 2019
Abstract Purpose To explore the potential role and unclear molecular mechanisms of vaccarin in wound healing. Methods Rats' skin excision model to study the effects of vaccarin on wound healing in vivo . Hematoxylin and eosin staining was performed to evaluate Histopathologic characteristics. Immunoh...