Whiplash may produce delayed jaw pain

Aug 16, 2007

One in three people exposed to whiplash trauma is at risk of developing delayed TMJ symptoms that may require treatment, according to research published in the August issue of The Journal of the American Dental Association.

Researchers at Umeå University, Sweden, studied short- and long-term temporomandibular joint (TMJ) pain and dysfunction in 60 patients in hospital emergency rooms directly after they were involved in a rear-end car collision and evaluated them again one year later.

According to the study, the incidence of new symptoms of TMJ pain, dysfunction or both between the initial examination and follow-up was five times higher in subjects than in uninjured control subjects. In the year between the two examinations, 7 percent of control subjects developed symptoms in the TMJ versus 34 percent of study subjects.

According to the American Dental Association, the TM joint is one of the most complex joints in the body. Located on each side of the head, these joints work together and can make many different movements, including a combination of rotating and translocational (gliding) action, used when chewing and speaking. Any problem that prevents this system of muscles, ligaments, discs and bones from working together properly may result in a painful TMJ disorder.

When the patients reported having symptoms in the TMJ either before or after their accidents or both, the authors evaluated symptoms, including clicking, locking and TMJ pain. They also asked patients to rate their pain intensity and report the degree to which symptoms interfered with their daily lives, including sleep disturbances, use of pain relievers and the need to take sick leave.

“One in three people who are exposed to whiplash trauma, which induces neck symptoms, is at risk of developing delayed TMJ pain and dysfunction during the year after the accident,” the researchers concluded.

Source: American Dental Association

Explore further: Surrogate offers clues into man with 16 babies

add to favorites email to friend print save as pdf

Related Stories

Teeth grinding linked to sleep apnea

Nov 02, 2009

There is a high prevalence of nocturnal teeth grinding, or bruxism, in patients with obstructive sleep apnea (OSA), particularly in Caucasians. New research presented at CHEST 2009, the 75th annual international scientific ...

Recommended for you

Surrogate offers clues into man with 16 babies

1 hour ago

When the young Thai woman saw an online ad seeking surrogate mothers, it seemed like a life-altering deal: $10,000 to help a foreign couple that wanted a child but couldn't conceive.

Nurses go on strike in Ebola-hit Liberia

1 hour ago

Nurses at Liberia's largest hospital went on strike on Monday, demanding better pay and equipment to protect them against a deadly Ebola epidemic which has killed hundreds in the west African nation.

ALS Ice Bucket Challenge arrives in North Korea

Aug 31, 2014

It's pretty hard to find a novel way to do the ALS Ice Bucket Challenge by now, but two-time Grammy-winning rapper Pras Michel, a founding member of the Fugees, has done it—getting his dousing in the center ...

Cold cash just keeps washing in from ALS challenge

Aug 28, 2014

In the couple of hours it took an official from the ALS Association to return a reporter's call for comment, the group's ubiquitous "ice bucket challenge" had brought in a few million more dollars.

Medtronic spends $350M on another European deal

Aug 27, 2014

U.S. medical device maker Medtronic is building stronger ties to Europe, a couple months after announcing a $42.9 billion acquisition that involves moving its main executive offices across the Atlantic, where it can get a ...

User comments : 0