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1.
J Clin Sleep Med ; 10(2): 195-201, 2014 Feb 15.
Article in English | MEDLINE | ID: mdl-24533003

ABSTRACT

STUDY OBJECTIVES: Temporomandibular pain disorders (TMD) and myofascial pain were linked to increased prevalence of insomnia and obstructive sleep apnea (OSA) on clinical grounds. However, the literature lacks an accurate polysomnographic (PSG) characterization of sleep abnormalities associated with TMD, given that prior studies included small or uncontrolled samples of TMD patients. The present investigation aims to objectively evaluate measures of sleep and respiratory disturbance in a large representative sample of TMD cases in comparison with matched controls. METHODS: Sleep, respiration, and limb movements were measured using a 2-night attended PSG protocol in 170 women-124 TMD cases with myofascial pain and 46 demographically matched controls. The second night data were compared between the groups using ANCOVAs. In TMD cases, the relationship between pain ratings and sleep parameters was analyzed using multiple regressions. RESULTS: In comparison to healthy controls, TMD cased evidenced a significant increase in stage N1 sleep (12.2% ± 7.6% vs. 9.2% ± 5.0%, p = 0.03), which was only mild relative to normative values. TMD cases also demonstrated mild but significant elevations in arousals associated with all types of respiratory events (6.0/h ± 6.1 vs. 3.5/h ± 3.3 p = 0.02) and in respiratory effort related arousals (RERAs, 4.3/h ± 4.3 vs. 2.6/h ± 2.7, p = 0.02). Myofascial pain predicted a lower sleep efficiency (p = 0.01), more frequent awakenings (p = 0.04), and higher RERA index (p = 0.04) among TMD cases. CONCLUSIONS: Myofascial pain in TMD is associated with mild elevation in sleep fragmentation and increased frequency of RERA events. Further research is required to evaluate the clinical significance of these findings.


Subject(s)
Polysomnography/methods , Polysomnography/statistics & numerical data , Respiration , Sleep Wake Disorders/complications , Sleep Wake Disorders/diagnosis , Temporomandibular Joint Dysfunction Syndrome/complications , Adult , Analysis of Variance , Female , Humans
2.
J Am Dent Assoc ; 143(11): 1223-31, 2012 Nov.
Article in English | MEDLINE | ID: mdl-23115152

ABSTRACT

BACKGROUND: Many dentists believe that sleep bruxism (SB) is a pathogenic factor in myofascial temporomandibular disorder (TMD), but almost all supportive data rely on patients' self-reports rather than on direct observation. METHODS: The authors administered a structured self-report interview to determine whether a large and well-characterized sample of patients with myofascial TMD (124 women) experienced SB more often than did matched control participants (46 women). The authors then used data from a two-night laboratory-based polysomnographic (PSG) study to determine whether the case participants exhibited more SB than the control participants. RESULTS: The results of independent sample t tests and χ(2) analyses showed that, although self-reported rates of SB were significantly higher in case participants (55.3 percent) than in control participants (15.2 percent), PSG-based measures showed much lower and statistically similar rates of SB in the two groups (9.7 percent and 10.9 percent, respectively). Grinding noises were common in both case participants (59.7 percent) and control participants (78.3 percent). CONCLUSIONS: Most case participants did not exhibit SB, and the common belief that SB is a sufficient explanation for myofascial TMD should be abandoned. CLINICAL IMPLICATIONS: Although other reasons to consider treating SB may exist, misplaced concern about SB's sustaining or exacerbating a chronic myofascial TMD condition should not be used to justify SB treatment.


Subject(s)
Polysomnography/methods , Sleep Bruxism/etiology , Temporomandibular Joint Dysfunction Syndrome/complications , Adult , Aged , Case-Control Studies , Educational Status , Female , Humans , Interviews as Topic , Masseter Muscle/physiopathology , Middle Aged , Pain Measurement , Self Report , Tape Recording , Time Factors , Videotape Recording , Young Adult
4.
J Orofac Pain ; 17(1): 36-41, 2003.
Article in English | MEDLINE | ID: mdl-12756929

ABSTRACT

AIMS: To examine the prevalence and predictors of complementary and alternative medicine (CAM) use among patients with temporomandibular disorders (TMD), prior to their first treatment with an intraoral splint. METHODS: Sixty-three women with a diagnosis of myofascial TMD, and who had never been prescribed an intraoral appliance, reported on their use of CAM and other treatments for their facial pain. In addition to providing a comprehensive symptom history, participants completed a 2-week daily diary in which they described the nature of daily efforts to reduce their facial pain. RESULTS: Although more than half of all participants had not sought any prior treatment for their facial pain, 22.2% had received CAM treatment. The only single type of treatment more commonly used than CAM treatment was medication (28.6%). The most common type of CAM treatment was relaxation therapy (12.7%), followed by chiropractic treatment (9.5%). Although pain duration, pain severity, or mood did not predict CAM use, users were significantly more likely to report work or social disability associated with their facial pain and were more likely to report onset associated with an accident. CAM users were more likely than non-users to employ multiple pain reduction strategies over the 2-week daily diary report, including prescription medication use. CONCLUSION: A sizeable minority of women with myofascial TMD report CAM treatment for their pain, even prior to an initial treatment with an intraoral splint. Since empirical reports have not adequately demonstrated their safety or efficacy, there is a need for controlled clinical trials evaluating the utility of CAM treatments for TMD.


Subject(s)
Complementary Therapies , Temporomandibular Joint Dysfunction Syndrome/prevention & control , Adult , Affect , Analgesics/therapeutic use , Biofeedback, Psychology , Chi-Square Distribution , Facial Pain/prevention & control , Female , Humans , Logistic Models , Manipulation, Chiropractic , Medical Records , Multivariate Analysis , Pain Measurement , Relaxation Therapy , Temporomandibular Joint Disorders/prevention & control , Transcutaneous Electric Nerve Stimulation
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