BACKGROUND Pain in the dental operatory can have a profound effect on the behavior of children. AIM The aim of this study is to evaluate the pain perception while administering local infiltration, in children undergoing dental extractions, using a new auto-controlled injection system. MATERIALS AND METHODS Children in the age range of 6-10 years with teeth indicated for extraction were recr...

One problem that arises with the increasing numbers of students in Massive Open Online Courses (MOOCs) is that of student evaluation. The large number of students makes it infeasible for the instructors or the teaching assistants to grade all assignments, while the present auto-grading technology is not feasible for many topics of interest. As a result, there has recently been a great push for ...

Background: Young people’s compliance with carriage of adrenaline auto-injectors (AAI) may be as low as 41%, yet we lack research exploring their preferences regarding these devices. Objective: This qualitative study explored young people’s ideas about AAI design and features which may facilitate their carriage and use. Methods: Young people aged 13-18 years prescribed an AAI for severe allergi...

The paper analyses how technology, market and policy issues condition the adoption of aluminum in the manufacturing of auto engine blocks in Brazil. Due to important weight savings, there is a clear tendency in the auto industry to change engine material from iron and steel to aluminum. This tendency has started in the triad market area, mostly because of scale issues, but the increasing global...

This paper presents a novel two-step camera calibration method in a GPS/INS/Stereo Camera multi-sensor kinematic positioning and navigation system. A camera auto-calibration is first performed to obtain for lens distortion parameters, up-to-scale baseline length and the relative orientation between the stereo cameras. Then, the system calibration is introduced to recover the camera lever-arms, ...

BACKGROUND The shortage of autologous skin sources not only adds difficulty to the repair of extremely large-area deep burn wounds but affects the healing quality. The aim of the present study is to explore an ideal method for repairing large-areas burn wounds with low scar formation. METHODS Between 2002 and 2014, we used grafting of small auto- and cryopreserved allo-skin to repair large-ar...

BACKGROUND Injectable disease-modifying drugs (DMDs) reduce the number of relapses and delay disability progression in patients with relapsing-remitting multiple sclerosis (RRMS). Regular self-injection can be stressful and impeded by MS symptoms. Auto-injection devices can simplify self-injection, overcome injection-related issues, and increase treatment satisfaction. This study investigated p...