Document Detail


Initial injection pressure for dental local anesthesia: effects on pain and anxiety.
MedLine Citation:
PMID:  16252739     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study quantitatively assessed injection pressure, pain, and anxiety at the start of injection of a local anesthetic into the oral mucosa, and confirmed the relationship between injection pressure and pain, as well as between injection pressure and anxiety. Twenty-eight healthy men were selected as subjects and a 0.5-inch (12 mm) 30-gauge disposable needle attached to a computer-controlled local anesthetic delivery system (the Wand) was used. A 0.5 mL volume of local anesthetic solution was injected submucosally at a speed of either 30 or 160 s/mL. Three seconds after the start of local anesthetic injection, injection pressure was measured and pain and anxiety were assessed. Injection pressure was measured continuously in real time by using an invasive sphygmomanometer and analytical software, and pain was assessed on the Visual Analogue Scale and anxiety on the Faces Anxiety Scale. A significant correlation was evident between injection pressure and pain (rs = .579, P = .00124) and between intensity of injection pressure and state anxiety (rs = .479, P = .00979). It is therefore recommended that local anesthetic be injected under low pressure (less than 306 mm Hg) to minimize pain and anxiety among dental patients.
Authors:
Masaru Kudo
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Anesthesia progress     Volume:  52     ISSN:  0003-3006     ISO Abbreviation:  Anesth Prog     Publication Date:  2005  
Date Detail:
Created Date:  2005-10-28     Completed Date:  2005-11-14     Revised Date:  2013-06-07    
Medline Journal Info:
Nlm Unique ID:  0043533     Medline TA:  Anesth Prog     Country:  United States    
Other Details:
Languages:  eng     Pagination:  95-101     Citation Subset:  D    
Affiliation:
Department of Dental Anesthesiology, School of Dentistry, Health Sciences University of Hokkaido, Japan. masaluge@hoku-iryo-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Administration, Buccal
Adult
Anesthesia, Dental / instrumentation*
Anesthetics, Local / administration & dosage*
Dental Anxiety / etiology*
Double-Blind Method
Facial Pain / etiology*
Humans
Lidocaine / administration & dosage
Male
Manifest Anxiety Scale
Mouth Mucosa
Needles / adverse effects*
Pain Measurement
Palate, Hard
Pressure
Sphygmomanometers
Therapy, Computer-Assisted
Transducers, Pressure
Chemical
Reg. No./Substance:
0/Anesthetics, Local; 137-58-6/Lidocaine
Comments/Corrections

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