LI.4 is a major acupoint but the method of locating it has not been standardized, (n fact, description of method for locating this acupoint often varies in the classic and traditional texts. It might signify this point may be varied from one to another person. Our comparative study
of locating and subsequent acupuncturing these locations revealed some interesting features of LI.4 from our collected clinical data in that location I had a better therapeutic effect for toothache relief and analgesia-anesthesia effect than for headache relief, location 2 was better for headache
than toothache relief, locations 3 and 4 had a mixed effect whereas, location S seems to have a better chance to get bioenergy (De Qi) as manifested by tingling and numbing sensation at the acupunctured site. Our study also suggested that LI.4 location was about the size of 4 millimeters in
diameter instead of a pin-point location, though needle inserted at correct point produced a better result.
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Localizing acupuncture point;
Toothache and headache;
Document Type: Research Article
Professor of Oral Medicine, University of Pennsylvania Director of Medical and Dental Externship Education Lehigh Valley Hospital/Penn State University College of Medicine President, American Society for the Advancement of Anesthesia in Dentistry
Professor of Clinical Anesthesiology, Albert Einstein College of Medicine Director of Acupuncture Clinic, Montefiore Medical Center
January 1, 2008