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  • 1
    Electronic Resource
    Electronic Resource
    Validation of diagnostic criteria for sleep bruxism (2002)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 29 (2002), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Several diagnostic criteria for bruxism can be taken from the literature; however, most of them have never been validated. This study examined whether predictor variables taken from physical examinations and questionnaires were related to the actual bruxism levels.Fifty dental students agreed to participate in this study and eight examination variables and seven questionnaire variables were collected from them. The subjects measured their nocturnal EMG activity from the right masseter muscle for six consecutive nights in their home by means of a portable EMG device. Off-line analysis was performed on data from second to sixth nights. By using a custom made software, all EMG activity elevations above a minimum threshold of 50% of each subject's individually established maximum voluntary contraction (MVC) level were quantified with regard to the duration and number of elevations and then three outcome variables, which were event number per hour (number/h), event duration per hour (duration h−1), and duration per event (duration/event), were calculated. A multiple stepwise regression (MSR) analysis was conducted to assess the 15 predictor variables and the three outcome variables. These MSR analyses revealed that the joint sound score remained in the regression equation as a predictor (n=50, P 〈 0·05) of the likelihood that a subject would exhibit longer bruxism events (duration h −1 and number h −1 ). It must be noted that the self-awareness and tooth attrition status were found not to be strong predictors and even for the above variable where significant association was found, the likelihood ratio between the variable and predicted outcomes was not robust.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2842.2002.01026_2.x
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  • 2
    Electronic Resource
    Electronic Resource
    The comparison between pains, difficulties in function, and associating factors of patients in subtypes of temporomandibular disorders (2005)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 32 (2005), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  The aim of this study was to compare the multidimensional properties among subtypes of painful temporomandibular disorders (TMD): myofascial pain (group I), disc displacement (group II), arthralgia (group IIIa) and osteoarthritis (group IIIb). A total of 511 patients answered a battery of questionnaires, which included questions relating to intensity and duration of pain, the Japanese version of the McGill Pain Questionnaire, limitation of daily functions, the Hospital Anxiety and Depression Scale, the Eysenck Personality Questionnaire short-form and 34 items of behavioural contributing factors. Group IIIb showed significantly the highest age in all subtypes. Those in group I had higher depression scores than those in group II (P=0·005). Group IIIa had a lower women's ratio than in group II (P=0·001) and the patients showed a shorter pain duration than those in groups I (P=0·000) and II (P=0·001). Group IIIa patients also showed lower visual analogue scale (VAS) ratings for pain descriptors ‘heavy’ (P=0·002) and ‘tiring’ (P=0·004) than those of group I, and ‘dull’ (P=0·005), ‘heavy’ (P=0·001) and ‘tiring’ (P=0·005) than those of group II. Group IIIa showed lower ratios of contributing factors of ‘an awareness of grinding/clenching during sleep’ (P=0·000) and ‘an awareness of clenching sensation when waking up at night’ (P=0·002) than those of group I, and also showed a higher ratio of ‘a liking for a hard food’ (P=0·000) and lower ratio of ‘talking for a long time on the telephone’ (P=0·001) than those of group II. In conclusion, although several properties were different between subtypes, the majority of them were similar in the four subtypes of TMD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.2004.01439.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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