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KMID : 0980220060060020098
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Journal of the Korean Dental Society of Anesthesiology
2006 Volume.6 No. 2 p.98 ~ p.102
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Study on Effect of Pressure-Controlled Injection System in Dental Local Anesthesia
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Yun Pil-Young
Kim Young-Kyun
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Abstract
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The purpose of this study was to evaluate the difference on pain intensity and discomfort between pressure-controlled injection system and conventional syringe injection technique from the patients undergoing oral and maxillofacial surgery. In a prospective, randomized, case-controlled study, 60 patients were divided into two groups (n=30 in each). In experimental group, pressure-controlled injection system was applied. In control group, conventional syringe injection system was applied. Pain rating score (PRS) and visual analogue scale (VAS) were assessed. The average of VAS in experimental group (16.67{pm}15.07) was smaller than that of control group (25.63{pm}22.21), though there were no significant differences (P=0.072). In PRS, fifteen patients (50.0%) of experimental group answered that they experienced mild pain. However sixteen patients (53.3%) of control group answered that they experienced intermediate pain. From the results, pressure-controlled injection system may be an effective method to reduce pain during the dental local anesthetic procedure.
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KEYWORD
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Pressure-controlled injection system, Dental local anesthesia
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