18 The Independent, Canadian Statesman Weekender, Bowmanville, Saturday, August 21,1993 New Treatment Needed for Facial Pain Condition A common facial pain condition has dramatically different psychological psychological and behavioral effects depending on whether it arises "spontaneously" or following a physical trauma, and a new approach to treating it may be needed. That's the preliminary finding of a University of Toronto study on temporomandibular temporomandibular disorder (TMD), a jaw joint and muscle pain condition that can also cause ear and tooth pain as well as headaches. Considered one of the most prevalent prevalent facial pain conditions, TMD is thought to affect as many as one out of five people at any given time. Spontaneous TMD has no known cause but may be stress-related. Post- traumatic TMD can result from a whiplash injury or motor vehicle accident. accident. "Although spontaneous TMD and post-traumatic TMD have similar symptoms, our research team has found the two conditions result in . fundamental differences in cognitive functions among patients," said Dr. Howard Tenenbaum, associate professor professor with U of T's Faculty of Dentistry Dentistry and leader of the research team. "These findings could be extremely extremely important with regard to therapy and prognosis." So far 16 patients have been examined. examined. Eight suffer from spontaneous spontaneous TMD and eight from post- traumatic TMD. Preliminary results show that cognitive functions are considerably more impaired in patients patients with post-traumatic TMD. When given a simple task such as pressing a button when a shape appears appears on a video screen, the non- traumatic group reacted as much as 57 per cent faster than the post- traumatic group. "As the task became more complicated and a choice was given, the post-traumatic group reacted reacted as much as 70 per cent slower and committed almost twice as many errors," errors," said Tenenbaum, also a staff scientist at the Samuel Lunenfield Research Institute at Mount Sinai Hospital. In addition, the post-traumatic group scored 30 per cent lower on average average than the non-traumatic group in numerous short-term memory tests. And when given a short list to remember, remember, the post-traumatic TMD group was more likely to repeat words or substitute words not previously previously introduced. Although more research is needed, needed, said Tenenbaum, the findings suggest that post-traumatic TMD patients patients have problems similar to patients patients with affective disorders such as depression - and this has significant implications for understanding and treating TMD. "Patients suffering from TMD, and in particular post- traumatic TMD, should be assessed in a multidisciplinary clinic," he said. Approximately 80 per cent of patients patients with TMD respond successfully successfully to treatment. Much research in this area has focused on finding out why the other 20 per cent of patients, do not respond as readily. In a 1992 study carried out by U of T graduate student Dr. Gianfranco Romanelli, Tenenbaum and his coresearchers coresearchers demonstrated that patients patients who had been in a car accident and developed TMD were among those who did not respond as well to PRIVATE SALE 3 bedroom home in established subdivision. 58 Deerpark Cres. Bowmanville Asking $132,000. For more information and appointment call 436-2120 85 King Street W. 214 King Street E. Newcastle Bowmanville 987-4733 623-4445 OPEN HOUSE BLITZ Sunday, August 22nd, 2 - 4 p.m. 6 SHOREVIEW CRT. BOWMANVILLE 3697 CONCESSION RD. 7 ORONO $194,900. R.R. #1 GRAFTON $189,000. 210 KING ST. W. NEWCASTLE $129,900. 28 HART BLVD. NEWCASTLE $151,900. $224,900. 1661 STEPHENSON RD. NEWCASTLE $142,900. $159,900. Entry forms available at Open Houses or any National Office. therapy, even when given more treatment. treatment. Moreover, these patients showed symptoms observed in patients patients with depression, including memory and concentration impairment, impairment, as well as characteristics similar similar to those seen in individuals with post-concussion syndrome. "We wanted to pursue these findings findings in more detail and determine whether these patients did indeed have problems similar to those individuals individuals who have suffered mild concussion," concussion," said Tenenbaum. "The current current study focuses on measurement of cognitive impairment in a more quantitative manner than has been done previously in TMD patients." The study is being carried out by graduate student Dr. Michael Goldberg, Goldberg, with research collaborators Drs. 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