Imagine having one device that not only can screen for mercury toxicity, but can also evaluate the health of teeth, screen for cavitations, and help determine the systemic impact of root canals. This valuable piece of equipment is known as an EAV device. EAV stands for Electro-Acupuncture According to Voll. Today, it is also sometimes called Electro-Dermal Screening, or EDS.

Who invented this revolutionary device?

In the late 1940’s, Dr. Reinhold Voll, a German medical doctor, anatomy professor, and acupuncturist, developed the forerunner of the EAV units of today, called the Dermatron. The Dermatron, and its progeny, are basically ohmmeters. Dr. Voll found that over an acupuncture point, there is significantly less skin resistance than over skin in general. Over a normal acupuncture point there is 100,000 ohms of resistance. This represents the number 50 on a scale of 1 to 100. If inflammation is present, there is less resistance, and thus a higher reading. If degenerative changes occur, there will be more resistance, and a reading of less than 50 will appear. With this device, Dr. Voll was able to determine that every tooth and its surrounding structure relates to specific organs, tissues, vertebra, and muscles.

So how does the EAV instrument work?

The patient holds a brass rod (which is plugged into the EAV unit) in one hand; this rod carries a minute amount of current. A stylus, a pen-like device, (which is also plugged into the EAV unit) if touched to the rod will complete the circuit and give a reading of 100 – i.e., no resistance. Now what we do is place the patient into the circuit by touching an acupuncture point with the stylus. Different readings will then be recorded on the 1-100 scale. The higher the reading, the less resistance. The most important type of reading is the Indicator Drop (ID). This is when you get a reading, but it cannot hold that number, and drops to a lower reading. Think of it as an electronic stress test – a small amount of current goes to the acupuncture point and if there is a problem along that energy pathway, it flunks the stress test. Most often, I find that people with toxic burdens have an indicator drop on the nervous system meridian.

Why is the ID (Indicator Drop) important?

Dr. Voll found that if you have the patient hold an item or place it on a tray which is in the circuit, you can observe if the ID disappears. If it does, knowing from homeopathy that “like cures like,” one can then reason that there is a relationship. For example, let us say there is an ID on the nervous system meridian (NV). Homeopathic mercury is placed into the circuit and the ID disappears. This indicates that mercury is affecting the NV meridian. Using this technique one can test anything, i.e., foods, drugs, etc. Hooray for computers!

Dr. Voll would take hours to test, placing item after item on the testing tray. Today, it is all done with computers. Just like you can digitalize your voice signal and put it onto a disc, the energetic signal of everything can be digitalized and placed into software. Everything has its own energetic signal – foods, drugs, crystals, etc. Instead of placing mercury on the tray, I can output a signal for it and see if the ID disappears. It is all about energetic signals or vibrations and whether or not you resonate with them. Thus, it is possible to quickly scan through thousands of items and get a “feel” for what are the major factors affecting a patient.

EAV is also very useful in helping to evaluate if there is a cavitation (see Cavitations Part 1 and Cavitations Part 2 – Silent Problems in Your Jaw) in an extraction site or if a root canal is having detrimental effects systemically. This is easily accomplished by what is termed therapy localization. The patient takes their index finger on the hand with the brass rod and touches, for example, a root canal tooth. The stylus is then touched to an acupuncture point, i.e., heart. An indicator drop as the acupuncture point is touched, means that the root canal is stressing this meridian. One can check other meridians to see how far reaching the effects are.

EAV has been shown to be as effective in determining food allergies as any other type of testing. Outputting signals of various foods, it is a very fast and painless method of assessment. (Watch Dr. Adam Breiner’s video as he explains his Allergy Elimination Technique using EAV testing.)

I could go on and on about how valuable I find the use of EAV in my practice. It is the single most important tool in my dental armamentarium. I encourage all health practitioners, especially dentists, to embrace this “Star Trek” technology.

© 2004, Mark A. Breiner, DDS

The information presented is for educational purposes only. You should consult a qualified dentist for diagnosis and treatment.

Additional Information on EAV is covered in Dr. Breiner’s book, Whole-Body Dentistry.

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