Got dry mouth? Try acupuncture

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Acupuncture appears to help relieve severe dry mouth, protecting people from the dental decay, speaking problems and oral ulcers that can accompany the condition, according to a small study.

Eight months after several sessions of acupuncture, seven people with dry mouth said their saliva flow improved, they had fewer symptoms of dry mouth, and had an easier time eating and swallowing.

Study author Dr. Warren M. Morganstein of the University of Maryland Dental School in Baltimore explained that acupuncture could relieve dry mouth in several ways. 

For instance, the technique could increase blood flow to the salivary glands, improve how they function, or boost levels of chemicals in the body that help with saliva, he noted.

Approximately one-quarter of people do not produce enough saliva, or any saliva at all, a condition known formally as xerostomia, according to the report in General Dentistry. Among adults over 50, nearly 40 percent have xerostomia, which can also cause oral infections, alterations in the sense of taste, and problems speaking, eating and swallowing.

In an interview, Morganstein explained that many cases of dry mouth result from head and neck radiation and some autoimmune diseases, both of which can affect the salivary glands.

Morganstein, who himself performs acupuncture, said that in rare cases, people may develop bleeding, infections, or perforation of the organs after acupuncture.

However, conventional treatments for xerostomia are not without problems. One treatment, pilocarpine, is associated with a number of side effects, including sweating, dizziness, nausea, and visual problems, he noted. Another treatment called amifostine, which people take during radiation therapy to protect the salivary glands, causes severe nausea, he added.

“I’ve not seen a patient who was able to go through an entire regimen” of amifostine, Morganstein noted.

“Compared to any kind of medical procedure, or even taking medicine, the side effects (of acupuncture) are so infrequent,” he added.

As part of the study, Morganstein followed 7 people with xerostomia after head and neck radiation therapy, who received acupuncture once per week for up to 5 weeks, then additional biweekly sessions, for a total of 8 sessions, on average.

The patients said that saliva flow improved during the first treatment, and improvements lasted longer with each additional treatment. Eight months after treatment, people reported decreases in their symptoms, less need to awaken to drink water at night, an easier time eating a range of foods, and less difficulty eating, swallowing and speaking.

All patients said they were “pleased” by the treatment, but none said they had a 100 percent return of their saliva.

SOURCE: General Dentistry, May/June 2005.

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