BACKGROUND The objective of this study was to investigate the stress distribution in the bone around zygomatic and dental implants for 3 different implant-retained obturator prostheses designs in a Aramany class IV maxillary defect using 3-dimensional finite element analysis (FEA). MATERIAL AND METHODS A 3-dimensional finite element model of an Aramany class IV defect was created. Three diffe...

Stress is considered as an inseparable part of life. Although it is sometimes useful and positive, if there is overstress, there would be some disturbances created in human life as the negative aspect of stress. In this research the different dimensions of stress regarding family, environmental, and personal stress and their effects on the amount of learning English among students at Islamic Az...

Background and Objectives: Stress among students of the health sciences can lead to reduced performance of future healthcare human resources. To address this threat there is a need to develop a robust understanding of the nature and intensity of stress in these professionals. To help approaching this goal, the present study assessed stress-induced life change in students of Tehran University of...

AIM This study aimed to record, both subjectively and objectively the anxiety of patients awaiting placement of their first dental implant and their long term stress levels; and evaluate their relation to the perception of pain by the patient during and after the procedure. METHODOLOGY Early morning salivary cortisol samples were collected from 47 patients awaiting the placement of their firs...

The aim of this study was to investigate sources of stress and psychological disturbance in dental students across the five years of undergraduate study at a dental school in Trinidad. Eighty-three percent of students completed a modified version of the Dental Environment Stress questionnaire (DES) and the Brief Symptom Inventory (BSI). On a scale ranging from 0 (not stressful) to 5 (highly str...

Dental erosion, and specifically its symptoms, has long been studied in Japan as an occupational dental disease. However, in recent years, few studies have investigated the development of this disease or labor hygiene management aimed at its prevention. As a result, interest in dental erosion is comparatively low, even among dental professionals. Our investigation at a lead storage battery fact...