Saturday, February 15, 2020

Articaine and Lidocaine for Maxillary Infiltration Anesthesia Article

Articaine and Lidocaine for Maxillary Infiltration Anesthesia - Article Example The results calculated by the authors do not show any statistically noteworthy differences for commencement and duration of anesthesia between the articaine and Lidocaine solutions. It is manifested that, Lidocaine has been extensively used to produce local anesthesia. The authors agree that Articaine is an amide-type local anesthetic and is in use for the past 37 years also, they agree that Articaine is equivalent to, but not superior to, prilocaine for infiltration anesthesia. The authors state that results of comparative studies with lidocaine have been contradictory, because of the variation of epinephrine in the anesthetic agent. Lidocaine with epinephrine is the drug of choice in clinical practice in Finland but for patients with cardiovascular disorders, articaine with its lower epinephrine content is usually chosen with the intention of evading the systemic side effects of epinephrine. The authors have specified the purpose of the study to get a comparative account for the commencement of anesthesia and the duration of action of the commonly used solutions of 4% articaine with 1:200,000 epinephrine and 2% lidocaine with 1:80,000 epinephrine. The authors have selected twenty healthy volunteers (12 female, 8 male) with a mean age of 23.8 yr. The subjects were dental students with no history of allergic reaction to amide-type anesthetic agents and were not on regular medications and had intact lateral incisors. The authors got the protocol for the study, approved by the Ethics Committee of the University of Turku and Turku University Central Hospital. The test solutions were- 4% articaine with 1:200,000 epinephrine (Ultracain ® DS, Hoechst AG, Frankfurt, Germany) and 2% lidocaine with 1:80,000 epinephrine (Xylocaine  ®-Adrenaline, Astra, S6dertalje, Sweden). Infiltration anesthesia of the upper lateral incisor was carried out twice in all subjects in such way that each subject received both test solutions.  

Sunday, February 2, 2020

Critical perspectives on Management (this is not the topic of essay) Essay

Critical perspectives on Management (this is not the topic of ) - Essay Example Though management has improved over a period, most things have remained the same. Management theory and practice have been touted as the most important as one of the important strategies however the scientific management and theories and practice differs a lot. In that the scientific theories that we learned from Fall to what really is on the ground brings out its main difference. Whether it’s because of its objectivity, cost or even expertise if fails in achieving its core objective. The focus of this study will be the critical issues about the assumptions in business and also why a lot of careful consideration has to be done and why management theory and practice is not after all the most effective management tool. The practice employed might be realistic it is not enough to administer the same theories over and over. It is easy to describe though some theories have been very important to the world of business they have brought about negative examples to the business industry and it is therefore important to analyze what does not work for the firm and management. The assumption of scientific theories help in managing business not forgetting that they are expensive to incur and set up for any firm and sometimes they are not tailor made for the organization. The critics of this ponder just because a feature like a decentralization worked in company X that is a multinational does not make it a must to work in company Y. Thus, it will not be realistic to assign one organization on the mere fact it worked in another (Schweiger(1991). Though the scientific management theory focused more on employee it failed to realize that sometimes the challenges may not be an employee but the resources and expertise accorded to him/her. It also focused on the human behavior only in the workplace and not everywhere the employee would visit (Schein, E.H. (1980). The other theory is the, general administrative theory which