dental tissues provide an alternate source of stem cells compared with bone marrow and have a similar potency as that of bone marrow derived mesenchymal stem cells. it has been established there are six types of dental stem cells: dental pulp stem cells, stem cells from human exfoliated deciduous teeth, stem cells from apical papilla, periodontal ligament stem cells, dental follicle progenitor ...

SSc is a complex multiorgan disease. The key steps in its pathogenesis include early endothelial damage, dysregulation of the immune system with abnormal autoantibody production and fibroblast activation resulting in hyperproduction of extracellular matrix. The disease is caused by an interaction between susceptibility genes and environmental triggers since epidemiological data, including famil...

This paper focuses on the functions of segmentation markers, like punctuation, pauses, connectives and referential expressions. They highlight continuity and discontinuity in discourse. These markers can be signals to improve comprehension, but also traces of production difficulties that occur when a new topic is introduced. Data are presented to support this double role of signal and trace. We...

Significant soft tissue features in the orbit and elsewhere are not resolved by MRI or any other imaging method. We describe a new method that uses tiny ( approximately 0.1 mm diameter) gold beads as markers to visualize movements of such tissues with high spatial resolution ( approximately 100 microm) and moderate temporal resolution ( approximately 100 ms). We describe bead fabrication, impla...

objective: different surgical procedures have been proposed for the treatment of gingival recessions. the goal of this study was to compare the clinical results of gingival recession treatment using subepithelial connective tissue graft and an acellular dermal matrix allograft. materials and methods: the present study was performed on 5 patients with 9 bilateral miller`s class i or ii gingival ...

BACKGROUND Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. Some odontogenic cysts were found to have special biological features that make them distinct from other lesions. This study was conducted to detect the immunoepxression of laminin-1 and Ki-67 in both radicular cysts (RCs) and keratocystic odontogenic tumors (KCOTs) and to examine th...

In this paper we continue development of formal theory of a special class offuzzy logics, called EQ-logics. Unlike fuzzy logics being extensions of theMTL-logic in which the basic connective is implication, the basic connective inEQ-logics is equivalence. Therefore, a new algebra of truth values calledEQ-algebra was developed. This is a lower semilattice with top element endowed with two binary...

objective(s): mesenchyme is a type of undifferentiated loose connective tissue that is derived mostly from mesoderm. recently, mesenchymal stem cells (mscs), as adult stem cells (ascs) able to divide into a variety of different cells, are of utmost importance for stem cell research. in this research, ability of the liver extract to induce differentiation of rat derived omentum tissue mesenchyma...

Objective: The objective of this study was to assess the safety and efficacy intramuscular injection atelocollagen for prevention paraspinal muscle atrophy after spine surgery. Atelcollagen has been widely used as an intradermal filler restore soft tissue defect. Many studies demonstrated that provides good therapeutic results by promoting cell proliferation enhances healing effect on injured c...

The article presents a rare case of thrombosis the pulmonary arteries branches, which developed in patient two months after infection with SARS-CoV-2 virus, that caused bilateral polysegmental pneumonia. was suspected because high plasma D-dimer level. Contrast-enhanced chest CT performed to make definitive diagnosis. absence blood clots veins lower extremities and pelvis allowed us conclude di...