J Orofac Pain
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To compare kinematic parameters (ie, amplitude, velocity, cycle frequency) of chewing and pain characteristics in a group of female myofascial temporomandibular disorder (TMD) patients with an age-matched control female group, and to study correlations between psychological variables and kinematic variables of chewing. ⋯ This exploratory study has provided data suggesting that psychological factors, manifesting in depression and stress, play a role in influencing the association between pain and motor activity.
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To compare prevalences of self-reported temporomandibular joint and muscle disorders (TMJMD)-type pain, headaches, and neck and back pains in the 2000 to 2005 US National Health Interview Survey (NHIS) by gender and age for non-Hispanic Whites (Whites), Hispanics, and non-Hispanic Blacks (Blacks). ⋯ The patterns of TMJMD-type pain varied greatly within and across racial/ethnic groups by gender and across the adult lifespan. Similarities and differences for the other pains were noted.
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To compare pain sensitivity between deep bite patients and a sex- and age-matched control group with normal occlusion. ⋯ These data provide further evidence of gender-related differences in somatosensory sensitivity and for the first time indicate that subjects with deep bite may be more sensitive to glutamate-evoked pain and thermal stimuli.
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To describe the cause, clinical signs, and symptoms of patients presenting to a tertiary care center with iatrogenic lesions to the mandibular branches of the trigeminal nerve. ⋯ Neuropathic pain, as well as anesthesia, frequently occurs following iatrogenic trigeminal nerve injury similar to other posttraumatic sensory nerve injuries. This must be acknowledged by clinicians as a relatively common problem and informed consent appropriately formulated for patients at risk of trigeminal nerve injuries in relation to dentistry requires revision.
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To study the effect of diet hardness on condylar cartilage thickness, extracellular matrix composition, and expression of matrix metalloproteinase (MMP) -3, -8 and tissue inhibitor of metalloproteinase-1 (TIMP-1), by using immunohistochemical and morphometric methods. ⋯ The results show that a soft diet during growth increases collagenolytic activity and may increase the vulnerability of condylar cartilage.