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      Advances in dental local anesthesia techniques and devices: An update

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          Abstract

          Although local anesthesia remains the backbone of pain control in dentistry, researches are going to seek new and better means of managing the pain. Most of the researches are focused on improvement in the area of anesthetic agents, delivery devices and technique involved. Newer technologies have been developed that can assist the dentist in providing enhanced pain relief with reduced injection pain and fewer adverse effects. This overview will enlighten the practicing dentists regarding newer devices and methods of rendering pain control comparing these with the earlier used ones on the basis of research and clinical studies available.

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          Most cited references50

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          Handbook of local anaesthesia

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            Temporal analysis of cortical mechanisms for pain relief by tactile stimuli in humans.

            The mechanisms by which vibrotactile stimuli relieve pain are not well understood, especially in humans. We recorded cortical magnetic responses to paired noxious (intra-epidermal electrical stimulation, IES) and innocuous (transcutaneous electrical stimulation, TS) stimuli applied to the back at a conditioning-test interval (CTI) of -500 to 500 ms. Results showed that IES-induced responses were remarkably attenuated when TS was applied 20-60 ms later and 0-500 ms earlier than IES (CTI = -60 to 500 ms). Since the signals evoked by IES reached the spinal cord (CTI = -60 to -20 ms conditions) and the cortex (-60 and -40 ms condition) earlier than those evoked by TS, the present results indicate that cortical responses to noxious stimuli can be inhibited by innocuous tactile stimuli at the cortical level, with minimal contribution at the spinal level.
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              DENTAL ANXIETY AMONG UNIVERSITY STUDENTS AND ITS CORRELATION WITH THEIR FIELD OF STUDY

              Objective: This study was designed to investigate the subjective ratings of dental anxiety levels among university students enrolled at Jordan University of Science and Technology. In addition, the present study aimed to explore the sources of dental anxiety and the impact of gender on the perceived dental anxiety and the correlation between field of study and dental anxiety level. Material and Methods: The Modified Corah Dental Anxiety Scale was used to measure dental anxiety among the study population. Six hundred subjects were recruited into the study from Jordanian undergraduate students from the faculties of Medicine, Engineering, and Dentistry. Results: Five hundred and thirty five complete questionnaires were returned, which accounts for a response rate of 89.2%. The totals of the mean anxiety scores were the following: Medical students, 13.58%; Engineering students, 13.27% and dental students, 11.22%. About 32% of the study population has scored 15 or more. Dental students had the lowest percentage of those who scored 15 or more. Surprisingly, the medical students were responsible for the highest percentage of those who scored 15 or above. Although women demonstrated statistically higher total dental anxiety scores than men (p= 0.03), the difference between both genders was small and could be clinically insignificant. The students were anxious mostly about tooth drilling and local anesthetic injection. Conclusion: Lack of adequate dental health education may result in a high level of dental anxiety among non-dental university students in Jordan. Further studies are required to identify the correlates of dental anxiety among university students.
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                Author and article information

                Journal
                Natl J Maxillofac Surg
                Natl J Maxillofac Surg
                NJMS
                National Journal of Maxillofacial Surgery
                Medknow Publications & Media Pvt Ltd (India )
                0975-5950
                2229-3418
                Jan-Jun 2013
                : 4
                : 1
                : 19-24
                Affiliations
                [1]Department of Conservative Dentistry and Endodontics, Government College of Dentistry, Indore, Madhya Pradesh, India
                [1 ]Department of Oral and Maxillofacial Surgery, Government College of Dentistry, Indore, Madhya Pradesh, India
                [2 ]Department of Conservative Dentistry and Endodontics, King George's Medical University, Lucknow, Uttar Pradesh, India
                Author notes
                Address for correspondence: Asst. Prof. Payal Saxena, Department of Conservative Dentistry and Endodontics, Government College of Dentistry, Indore, Madhya Pradesh, India. E-mail: payalmds@ 123456yahoo.co.in
                Article
                NJMS-4-19
                10.4103/0975-5950.117873
                3800379
                24163548
                657bb697-61f8-474e-ac1a-95a44c799b8b
                Copyright: © National Journal of Maxillofacial Surgery

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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                Categories
                Review Article

                Surgery
                dental anesthesia,local anesthesia delivery device,local anesthesia delivery technique

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