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  • 1
    ISSN: 0368-2048
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In ninety-six patients with oro-facial and general complaints, which the patients assumed were caused by galvanic currents and/or metallic restorations, the recording and analysis of dietary pattern, energy and nutrient intake were performed. The records, in household measures, of the intake of food and beverages during 7 consecutive days according to a written instruction were collected. Sixty-eight out of the ninety-six records were sufficiently complete for calculation of nutrient intake. The remaining twenty-eight could only be used partially in the analyses.Most of the patients had a varied food intake of all the food groups during the 7-day period. The range was wide, however, and a few patients had relatively low intake of essential nutrients. It was not possible to find any correlation between oro-facial discomfort complaints and intake of any single nutrient that could indicate a cause-effect relationship. No correlation between diet pattern, energy and essential nutrients, and the measured electrode potentials of the fillings and constructions could be proved. Nor could the hypothesis that beverage intake might influence the electrode potentials and increase or aggravate the oro-facial complaints be verified.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A questionnaire was sent to all 189 edentulous patients with denture adaptation problems who were treated with fixed prostheses on osseointegrated oral implants during the period 1965–1978. One hundred and fifty-two patients (80%) responded. Practically all had adapted well to the prostheses and were most satisfied with the rehabilitated oral function, including chewing ability. Four out of five patients regarded the bridge as part of their own body instead of a foreign object, and 90% would not hesitate to have the treatment performed again, if necessary. Parallel with the improved oral function the patients reported a definite reduction of psychosocial problems associated with their previous oral invalidity, and increased security and self-esteem.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  The purpose was to test the hypothesis that signs and symptoms characteristic of temporomandibular disorders (TMD) at age 15 would predict demand for treatment during a 20-year follow-up period. Of originally 135 examined 15-year-old subjects, 103 completed a questionnaire and 84 were examined clinically at the 10-year follow-up (at age 25). After 20 years (at age 35), 114 completed a questionnaire and 100 were also examined clinically. During the 20-year follow-up period, 21 subjects received some kind of treatment of TMD. At baseline (age 15), the treated group reported tooth grinding at night more often than the non-treated group (P = 0·0042). At the 10-year follow-up (at age 25), the treated group reported more symptoms of TMD and oral parafunctions than the non-treated group. Among the clinical registrations, there was only one significant difference between the groups: anterior tooth wear was more extensive in the treated group. At the 20-year follow-up (at age 35), the treated group reported significantly more symptoms of TMD and oral parafunctions than the non-treated group. The clinical dysfunction index was also higher in the treated group. Logistic regression revealed tooth grinding at night as a significant predictor of received treatment of TMD. However, the positive predictive value was low whereas the negative predictive value was high (90%). The findings indicate that nocturnal tooth grinding is related to demand for treatment of TMD.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The second part of this review, evaluating the literature on the relationship between dental occlusion and temporomandibular disorders (TMDs), focuses on the aetiological importance of tooth loss and the place of prosthodontic replacement in the treatment of TMD. Loss of teeth and lack of posterior occlusal support seem to have little influence on the development of TMD, which calls into question the use of prosthodontic restoration as prevention or treatment for TMD. In addition, there are practically no studies assessing the benefit of instrumental analysis in diagnosis or comparing the outcome of prosthodontic treatment with simple reversible methods in the management of TMD. There is a trend in the current literature to abandon any treatment, including positioning appliances and prosthodontic measures, to ‘recapture the disk’ in patients with disk displacements because of the favourable, long-term results achieved after using more simple methods. It is concluded that prosthetic therapy in TMD patients is not appropriate for initial TMD treatment and should only be carried out on prosthodontic indications after reversible treatment has alleviated pain and dysfunction.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: By means of a questionnaire, clinical examination and force recordings, the relationships between self-assessed masticatory ability, dental state and bite force were studied in 160 80-year-old persons, 74 men and 86 women. The subjects were in general satisfied with their masticatory ability and 70% had no problems, while 6% reported three or more problems with mastication. Half of the subjects were dentate without removable prostheses and almost one-third had 20 or more natural teeth. The edentulous persons (about one-fifth of all) reported more problems related to mastication than the other dentition groups. The maximal bite force varied much and exhibited a significant correlation to the number of remaining teeth and dental state. The self-assessed masticatory ability was only weakly correlated with dental state and bite force. It was concluded that many subjects with few or no remaining teeth and/or removable dentures had only few complaints of impaired masticatory function and showed a good adaptation to an impaired dental status and small maximal bite force.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This study evaluated a sieve method for measuring masticatory performance and determined the associations between masticatory performance and masticatory mandibular movements. Ten dentate adults and three complete denture-wearing subjects participated in the study. The masticatory performance indices for these subjects were determined after a 10 s masticatory sequence and another sequence that ended at the swallowing threshold. Almond was used as the test food and almond fragments were sized using a standard 0·65 mm square size brass wire sieve. Masticatory mandibular movements were simultaneously recorded by an optoelectronic device. The reproducibility of the masticatory performance tests was good ( r = 0·98 and 0·82 for the 10 s and swallowing threshold test indices, respectively). The masticatory performance indices were markedly different between dentate and denture-wearing subjects. The 10 s masticatory performance index in the dentate subjects, showed moderate to rather strong correlation with all parameters of mandibular velocity ( r = 0·6–0·7). The 10 s index also showed a strong negative correlation to the duration of the occlusal level phase and the total duration of the chewing cycle ( r = –0·7 to –0·8) in the dentate subjects. This study confirms that masticatory performance levels are relatively stable and associated with the efficacy of specific masticatory mandibular movement parameters.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Books reviewed in this article. Oral Disease By C. R. Renson. A Colour Atlas of Periodontology By J. D. Strahan and I. M. Waite. Journal of Clinical Engineering ED. BY Morton D. Schwartz. Das Fiefergelenk im Zahnarztlich—Prothetischen Fall By A. H. Geering. Speech Language and Hearing Normal Processes and Disorders By Paul H. Skinner and Ralph L. Shelton.Begg Orthodontic Theory and Technique By P. R. Begg and P. C. Kesling.Removable Orthodontic Appliances By T. M. Graber and B. Neumann.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 18 (1991), S. 0 
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Parameters of mastication, such as mandibular displacement, velocity and chewing cycle duration, were investigated in relation to age and rehabilitation with complete dentures. Two groups of elderly subjects (mean age 80 years), one with natural dentition and the other with complete dentures, and one group of young dentate adults (mean age 26 years) participated. Three-dimensional records of masticatory mandibular movements were obtained using the Selspot movement analysis system.There were no differences in the duration of the total or individual components of a chewing cycle, except for the closing phase, which was significantly longer in the complete denture group. Mandibular closing velocity was significantly lower in the two groups of elderly subjects than in the group of young adults. There was a high degree of inter-individual variation in mandibular displacement in all groups, but the mean vertical amplitude was smaller in the elderly groups compared to the group of young adults. For many of the parameters the variation was significantly greater in the groups of elderly subjects than in the younger group. Ageing thus appeared to have a more important effect than the state of the dentition on the parameters studied.
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  • 10
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The aim of this study was to analyse the patient evaluation of functional treatment outcome in 40 periodontally compromised patients who received implant-supported prostheses (ISPs) as part of the total treatment. The treatment protocol comprised periodontal treatment, extraction of teeth with poor prognosis, placement of dental titanium implants, and after healing, insertion of fixed ISPs. Five of the patients became edentulous in one jaw after extraction of all teeth and received a complete ISP, whereas 35 patients became partially edentulous after extraction of some teeth, 12 receiving a partial ISP on ≥ 3 implants, and 23 one on two implants. The follow-up period was on average 1˙8 years after the connection of the prostheses, which provided the patients a dentition with a mean of 12 occluding dental units. The first author (S.-W. Yi) performed all implant treatment. Patients’ opinions on oral functions – mastication, phonetics, oral hygiene, chewing comfort and aesthetics – were evaluated by means of a questionnaire both before implant installation and at the last follow-up. A control group of 30 subjects with a healthy dentition of 14 occluding natural pairs of teeth answered the same questionnaire on one occasion. A great majority of the patients were extremely satisfied with the oral function after treatment and experienced the ISPs as ‘natural teeth’. There was no significant difference between the three treatment groups and the control group for mastication, phonetics, chewing comfort and aesthetics. Patients with ISPs reported a small but significantly greater difficulty with oral hygiene procedures than the controls with natural teeth. Most patients said that they would undergo the treatment again, if necessary, and recommend it to others. It was concluded that the rehabilitation of the periodontally compromised patients, including ISPs on osseointegrated dental titanium implants, resulted in subjectively improved and satisfactory oral function.
    Type of Medium: Electronic Resource
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