Introdução : A questão de como melhorar a cicatrização óssea e prevenir a destruição óssea, na cirurgia de colocação de implantes tem sido abordada. Existe um interesse crescente no uso de bifosfonatos como biomoduladores ósseos em implantes dentários, devido à capacidade destes…
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Background: Oral Squamous Cell Carcinoma (OSCC) is a life-threating condition accounting for 90% of all cancers in the oral cavity (with the majority of cases affecting the tongue). Early and loco-regionally oral tongue squamous cell carcinoma (OTSCC) is treated with surgical re…
Introduction Endoscopy performance is highly variable among fellows and practicing physicians. The field lacks a standard endoscopy training curriculum. Moreover, the traditional training under the apprenticeship model has proven to be a slow and ineffective method. Trainees who…
Background: Over 200 million individuals worldwide are chronically exposed to arsenic (As) in drinking water at concentrations above the World Health Organization (WHO) guideline of 10 μg/L. Arsenic exposure is of particular concern in Bangladesh, where it is estimated that 35-7…
Silver nanoparticles (AgNPs) are by far the most extensively used nanomaterial in general consumer products. Concurrent with this use is the major concern regarding the toxicity of AgNPs to aquatic organisms. The most persistent question regarding the toxicity of AgNPs is whethe…
The spatial modeling of the petrochemical active regions in the Niger Delta (ND), Nigeria was carried out through the analysis exploration and extraction of geospatial data and resultant risk maps were generated. The pollutants assessed include; heavy metals, polychlorinated aro…
Butenolide [5-octylfuran-2(5H)-one] is a promising antifouling compounds that have been developed in recent years. In this study, the acute toxicity of butenolide was assessed in several non-target organisms, including micro algae, crustaceans, and fish. Results were compared wi…
Organophosphorus (OP) insecticides have been the most commonly used insecticides in the world for the past 30 years, with chlorpyrifos being the most studied and most commonly used OP. However, the past decade has seen a decline in the use of OPs, due to the increasing risk of a…
An assessment of the groundwater quality at the Olusosun landfill in Lagos, Nigeria was conducted to determine interactions between the landfill wastes and the groundwater and the potential migration of pollutants into the neighbouring communities. Groundwater samples were colle…
Ethical issues abound in health care settings and in the education of health professionals. One such issue is the practice of teaching life saving skills to health practitioners using the body of a newly dead patient, often without obtaining consent. This often hidden practice i…
Growth of the proximal tibial epiphyseal plate was investigated after vascularized transplantation in a rabbit knee model. Growth in allograft transplants, autograft replants and unoperated epiphyseal plates was compared in immunosuppressed and non-immunosuppressed rabbits. Mole…
A cohort of 418 United States Air Force (USAF) personnel from over 15 different bases deployed to Morocco in 1994. This was the first study of its kind and was designed with two primary goals: to determine if the USAF was medically prepared to deploy with its changing mission in…
Diarrhea disease is a leading cause of morbidity and mortality, especially in children in developing countries. An estimate of the global mortality caused by diarrhea among children under five years of age was 3.3 million deaths per year. Cryptosporidium parvum was first identif…
In order to identify optimal therapy for children with bacterial pneumonia, Pakistan's ARI Program, in collaboration with the National Institute of Health (NIH), Islamabad, undertook a national surveillance of antimicrobial resistance in S. pneumoniae and H. influenzae. The proj…
The purpose of this investigation was to determine the left internal mammary artery graft flow reserve after coronary bypass using transthoracic Doppler echocardiography during supine bicycle exercise. The flow reserve ratio (exercise/rest) has been used as an indicator of the f…
With the rising rate of gynecological malignancies, fibrocystic disorders, and pelvic inflammatory diseases and its sequelae, large numbers of young females in Saudi Arabia and other parts of the world are undergoing surgical menopause through total hysterectomy and bilateral sa…
This thesis attempts to answer the following question: Should it ever be legally permissible to buy a kidney from a living donor in Israel? Existing legislation and government policy prohibit payment out of fear that the poor, minorities, and other vulnerable people will be coer…
Background. Group A Beta Hemolytic Streptococcal (GABHS) pharyngitis is the precipitating cause of rheumatic heart disease (RHD). Primary prevention of RHD is accomplished through identification and antibiotic treatment of GABHS pharyngitis to eradicate the bacteria from the pha…
Endothelin-1 (ET-1) is produced by endothelial cells and can stimulate either the ETA or the ETB receptors. The role of ET-1 and the identity of the endothelin receptors involved in mediating tone in the mesenteric small veins of the Golden Syrian hamster are not known. ET-1 ind…