Study Investigates Prevalence and Impact of Craniomandibular Disorder in Fibromyalgia Patients

Study Investigates Prevalence and Impact of Craniomandibular Disorder in Fibromyalgia Patients
Researchers from University of Bari in Italy investigated the prevalence of craniomandibular disorders (CMD) among fibromyalgia (FM) patients and the impact it has on their quality of life.  The study entitled “Quality of life in fibromyalgia patients with craniomandibular disorders” was recently published in The Open Dentistry Journal. FM is a chronic condition associated with widespread pain of unknown origin in muscles and joints. FM affects approximately 2% to 5% of the US population. The American College of Rheumatology (ACR) criteria for a diagnosis of FM consists of the patient having severe widespread pain symptoms that have been chronically present for 3 months or greater without a known cause. FM often occurs with other pain-inducing conditions such as CMD. CMD defines an array of conditions that involve the masticatory muscles (MM), the temporomandibular (TM) joints and other associated anatomical structures that are used to chew, as well as the opening and closing of a patient’s mouth.  Patients usually have symptoms such as headaches, neck aches, face pain, ear ache and tinnitus that may be accompanied by hearing loss. The purpose of this study was to determine the prevalence of CMD among a subset of hospital patients already diagnosed with FM; with a focus on the impact the comorbidities had on the subject’s quality of life. To be part of the study, potential subjects had to meet the following inclusion criteria: a diagnosis of FM, a willingness to undergo an oral and mastication exam (also known as a gnatologic assessment), and fill out a survey that included questions on demographic information and quality of life assessments. The study population consisted of 31 patients, 28 females (90.3%), and  3 males (9.7%), their ages r
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